Reduced Voltage Motor Starters 39-14 Solid-State Starters February 2007 Type S752, Intelligent Technologies (IT.) Soft Starters The S752 is designed to be a complete The S752 was designed with safety in Contents package combining the SCRs, bypass mind. The device features a fully Description Page contactor and overload in one, very motor-rated run bypass contactor. The Type S752, Intelligent compact device. The S752 is available bypass contactor is capable of break- Technologies (IT.) Soft Starters as a component for panel mounting, in ing the motor load in failed SCR condi- Motor Control Centers or in Enclosed tions. Short circuit protection ratings Product Description. . . . . . . 39-14 Control (NEMA Type 1, 3R, 4, 4X, 7/9 are offered with both circuit breakers Application Description. . . . 39-14 and 12). and fuses. Safety is enhanced with the Features and BeneŢts . . . . . 39-14 use of green materials, 24V DC control Operation . . . . . . . . . . . . . . 39-16 and Ţnger safe IP20 terminals. Application Description Catalog Number Selection . . . . . . . . . . . . . . 39-16 The S752 combines the soft starter Features and BeneŢts Product Selection . . . . . . . . 39-17 overload, bypass contactor into one Accessories . . . . . . . . . . . . . 39-19 device for fast and easy installation. ■ Run bypass signiŢcantly reduces the With its small size, it can easily Ţt in heat generated as compared to non- Renewal Parts . . . . . . . . . . . 39-19 place of existing soft starters, wye- bypass soft starters. Less heat mini- Standards and delta starters or across-the-line NEMA mizes enclosure size and cooling CertiŢcations . . . . . . . . . . . 39-19 and IEC starters. This feature allows requirements and maximizes the life Instructional Leaţets . . . . . . 39-19 easy upgrades to existing systems. of all devices in the enclosure. 39 Technical Data and ■ Run bypass mode greatly reduces The in-line version is designed for use SpeciŢcations . . . . . . . . . . 39-20 internal heating created by the with three-phase motors in a delta Dimensions . . . . . . . . . . . . . 39-21 power dissipation across the SCRs. (three-lead) conŢguration. The product The bypass contactor directly is designed to be wired in the three- connects the motor to the line phase line feeding the three motor and improves system efŢciency input leads as is done for normal by reducing internal power losses. across-the-line starting. ■ Solid-state overload protection pro- The inside-the-delta version is to be vides accurate current measure- used on 6-lead or 12-lead wye-delta ment and trip settings. motors. The device is wired into the Sophisticated algorithms solve a windings of the motor. A reduced series of differential equations that voltage start is achieved without the model true motor heating and cool- need to reconnect the motor in wye ing, resulting in superior motor over- and delta conŢgurations. The S752 load protection while minimizing offers enhanced performance over nuisance trips. Advanced selectable traditional wye-delta electromechani- protective features safeguard the cal starters. motor and system against a variety of system faults. The starter uses Silicon Controlled S752 ■ Six SCRs control all three motor RectiŢers (SCRs) to ramp the voltage phases providing smooth accelera- to the motor, providing smooth accel- tion and deceleration performance. eration and deceleration of the load. Product Description After the motor is started, the internal ■ Easy to read LED displays device ® status and provides fault indication. Eaton’s Cutler-Hammer Intelligent run bypass contactor closes, resulting Technologies (IT.) S752 Line of in the motor running directly across- ■ Internal run bypass contactors and Reduced Voltage Soft Starters is very the-line. Internal run bypass signiŢ- overload protection eliminate the compact, multi-functional, easy to cantly reduces the heat generated need for additional devices, install and easy to program. Designed as compared to non-bypass starters. thereby reducing enclosure sizes, to control the acceleration and deceler- The soft stop option allows for a ramp minimizing installation and wiring ation of three-phase motors, the stop time that is longer than the coast- time and reducing overall assem- device is available in conŢgurations to to-stop time. bly size and cost. be applied either in the line of the ■ Variable ramp times and torque The built-in solid-state overload pro- motor, or in the delta windings of the control settings provide unlimited tects the motor from overload condi- motor. The in-line device is available starting conŢgurations, allowing for tions with sophisticated algorithms for current ranges from 0.25 to 50 maximum application ţexibility. that model true motor heating, result- amps. The inside-the-delta device is ■ Soft stop control suits applications ing in better motor protection and available for current ranges from 0.44 fewer nuisance trips. Advanced pro- where an abrupt stop of the load is to 78 amps. not acceptable. tective and diagnostic features reduce The S752 is a redesign of the popular downtime. S751 soft starter. Design enhance- ments include an increased current rating, short circuit coordination ratings with breakers and fuses, and inside-the-delta control. The S752 has replaced the S751 in the Cutler- Hammer product offering. For more information visit: www.eaton.com CA08102001E Reduced Voltage Motor Starters 39-15 Solid-State Starters February 2007 Type S752, Intelligent Technologies (IT.) Soft Starters ■ Wide range of overload FLA settings Short Circuit Reset Mode (31 – 100% of rated current) and The use of a short circuit protective The S752 can be set up for automatic selectable trip class (10, 20, 30) device in coordination with the S752 is or manual reset on trip. The manual allows for wide application range required in branch motor circuits by reset mode requires the operator to while offering users the ţexibility to most electrical codes. Short circuit physically press the RESET button Ţne tune the starter to match their coordination ratings with both Cutler- located on the soft starter. The auto- speciŢc application requirements. Hammer molded case circuit breakers matic reset mode allows the soft ■ Soft acceleration and deceleration and fuses are available providing starter to be automatically reset as reduces wear on belts, gears, customers with design ţexibility. The soon as the trip condition is no longer chains, clutches, shafts and S752 has short circuit coordination present. With the automatic reset bearings. ratings as an open component, an mode, after the fault is no longer enclosed starter, and in a Motor present, the motor will be restarted as ■ Minimizes the peak inrush current’s Control Center. soon as a valid start signal is present. stress on the power system. The overload can be reset through the ■ Minimizes peak starting torque to Pole Over Temperature communications network. The over- diminish mechanical system wear High ambient temperatures, extended load can also be electrically reset by and damage. ramp times and high duty cycle condi- energizing a 24V DC control input on ■ 24V DC control module enhances tions may cause the S752 power pole the control terminal block. personnel and equipment safety. conductors to reach a temperature that Bypass Dropout ■ Removable, lockable control termi- 39 exceeds their thermal rating. The S752 nal block reduces maintenance is equipped with sensors that monitor The S752 can detect if the bypass replacement costs. Also provides the temperature of the power poles. contactor fails to close after the the opportunity for OEMs to reduce Over temperature protection exists if ramp start or opens while the motor assembly and test costs by utilizing the device’s thermal capacity is is running. The S752 will trip on a pre-assembled wire harnesses. exceeded. The soft starter will trip in bypass dropout fault if either of over temperature conditions, prevent- these conditions occur. Protective Features ing device failure. Diagnostic Features Phase Loss Motor Overload The S752 has an easy to read LED that Loss of a phase can cause a signiŢcant The S752 includes electronic overload displays the device status as well as increase in current drawn in the protection as standard. The overload identifying the condition that caused a remaining two phases. Phase loss can meets applicable requirements for a fault. The fault display is a useful tool lead to motor damage before an even- motor overload protective device. in system troubleshooting. The follow- tual overload trip occurs. Phase loss is The overload protects the motor from ing fault cross-reference is listed on typically an indication of a failure in over heat conditions with the use of the overload cover of the device to the electrical distribution system. The sophisticated algorithms that model facilitate fault identiŢcation: S752 can detect a phase loss and after true motor heating resulting in supe- 10 seconds a phase loss trip will occur. rior motor protection and fewer Table 39-13. S752 Diagnostic Features The phase loss protection can be nuisance trips. LED Device Status enabled or disabled. Display or Fault The S752 calculates a thermal memory Code Phase Imbalance value. A 100% value represents the 0 Ready To Start maximum safe temperature of the Phase current or voltage imbalance motor. When the thermal memory 1 Line Phase Reversal can cause a signiŢcant increase in the value reaches 100%, an overload trip current drawn in the other phases. 2 Phase Loss Fault will occur removing power to the Phase imbalance can lead to motor 3 Phase Imbalance Fault motor. Upon trip, the S752 stores the damage before an eventual overload 4 SCR Over Temperature Fault calculated motor heating value and trip. Phase loss is typically an indica- 5 Overload Trip Fault will not allow a motor re-start until the tion of a failure in the electrical distri- 6 Test Trip Fault motor has sufŢciently cooled. This fea- bution system or the motor. A phase ture ensures the motor will not be 7 Bypass Dropout Fault current imbalance trip will occur if one damaged by repeated overload trip or two of the line currents are 50% or 8 Overload Communications Fault and re-start cycles. less of the remaining line(s) for longer 9 Temperature Sensor Fault than 10 seconds. The phase imbalance The trip current is adjusted to match protection can be enabled or disabled. Communication Capabilities the speciŢc application requirements by adjusting the overload FLA setting. Communications are enabled with The FLA adjustment includes a 3 to 1 the S752 soft starter with the addition adjustment range. The overload trip of a SNAP (Starter Network Adapter class is selectable for class 10, 20 and Product). The SNAP allows for 30. The overload is ambient tempera- network control and monitoring of ture compensated, meaning its trip system parameters. See Tab 50 for characteristics will not vary with more information on SNAPs. changes in ambient temperature. CA08102001E For more information visit: www.eaton.com Reduced Voltage Motor Starters 39-16 Solid-State Starters February 2007 Type S752, Intelligent Technologies (IT.) Soft Starters Operation Voltage Ramp Start Provides a voltage ramp to the motor resulting in a constant torque increase. 100% The most commonly used form of soft start, this start mode allows you to set the initial torque value and the dura- Run (FLA) tion of the ramp to full voltage condi- Initial tions. Bypass contactor(s) close after Torque ramp time. ■ Adjustable initial torque 0 – 95% of Time (Seconds) locked rotor torque. ■ Adjustable ramp time .5 – 30 Figure 39-5. Starting Characteristics — Ramp Start seconds. Soft Stop 39 Allows for a controlled stopping of a Run load. Used when a stop-time that is greater than the coast-to-stop time is desired. Often used with high friction loads where a sudden stop may cause system or product damage. ■ Stop time = 0 – 30 seconds. Ramp Time (Seconds) Figure 39-6. Starting Characteristics — Soft Stop Catalog Number Selection Table 39-14. S752 Open Soft Starters Catalog Numbering System S 7 5 2 L 5 0 N 3 S � S = IT. Soft Starter Voltage Rating V02 = 240V V06 = 600V 752 = Non-combination Soft Starter S = Standard Soft Starter — In-Line Control Frame Size D = Inside-the-Delta Control L = 54 mm 3 = 3-Pole Device Device Rating 01 = 1 Amp 16 = 16 Amp N = No Options 02 = 2 Amp 27 = 27 Amp 04 = 4 Amp 50 = 50 Amp 09 = 9 Amp � Inside-the-delta version only. For more information visit: www.eaton.com CA08102001E Locked Rotor Torque Reduced Voltage Motor Starters 39-17 Solid-State Starters February 2007 Type S752, Intelligent Technologies (IT.) Soft Starters Product Selection IT. S752 Product Selection — In-Line Standard Duty Ratings Standard duty ratings are deŢned as those that do not exceed any of the following operating conditions: ■ 25 second ramp, 2 starts per hour, 40°C ambient, 300% FLA current ■ 15 second ramp, 4 starts per hour, 40°C ambient, 300% FLA current ■ 10 second ramp, 6 starts per hour, 40°C ambient, 300% FLA current ■ 7.5 second ramp, 8 starts per hour, 40°C ambient, 300% FLA current ■ 3.0 second ramp, 15 starts per hour, 40°C ambient, 300% FLA current � Table 39-15. IT. S752 Soft Starter Standard Duty Ratings — In-Line Maximum FLA Current kW Rating (50 Hz) Horsepower Rating (60 Hz) Catalog Price Continuous Range Number U.S. $ 230V 380 – 400V 440V 200V 230V 460V 575V Current 39 0.8 0.25 – 0.8 0.3 0.37 0.55 1/8 1/6 1/3 1/3 S752L01N3S 1.9 0.59 – 1.9 0.6 1.1 1.1 1/3 1/3 3/4 1 S752L02N3S 4.4 1.4 – 4.4 1.5 2.2 3 3/4 1 2 3 S752L04N3S 9 2.8 – 9.0 3 5.5 5.5 2257-1/2 S752L09N3S 16 5.0 – 16 5.5 10 11 3 5 10 10 S752L16N3S 27 8.4 – 27 10 15 18.5 7-1/2 7-1/2 20 25 S752L27N3S 50 16 – 50 12.5 22 30 15 15 30 40 S752L50N3S � For applications above 40°C, derate 1% per °C. Heavy Duty Ratings Heavy duty ratings are deŢned as those that do exceed any of the following operating conditions: ■ 25 second ramp, 2 starts per hour, 40°C ambient, 400% FLA current ■ 15 second ramp, 4 starts per hour, 40°C ambient, 400% FLA current ■ 10 second ramp, 6 starts per hour, 40°C ambient, 400% FLA current ■ 7.5 second ramp, 8 starts per hour, 40°C ambient, 400% FLA current ■ 3.0 second ramp, 15 starts per hour, 40°C ambient, 400% FLA current � Table 39-16. IT. S752 Soft Starter Heavy Duty Ratings — In-Line Maximum FLA Current kW Rating (50 Hz) Horsepower Rating (60 Hz) Catalog Price Continuous Range Number U.S. $ 230V 380 – 400V 440V 200V 230V 460V 575V Current 0.8 0.25 – 0.8 0.3 0.37 0.55 1/8 1/6 1/3 1/3 S752L01N3S 1.9 0.59 – 1.9 0.6 1.1 1.1 1/3 1/3 3/4 1 S752L02N3S 4.4 1.4 – 4.4 1.5 2.2 3 3/4 1 2 3 S752L04N3S 9 2.8 – 9.0 3 5.5 5.5 2257-1/2 S752L09N3S 16 5.0 – 16 5.5 10 11 3 5 10 10 S752L16N3S 27 8.4 – 27 10 15 18.5 5 7-1/2 15 20 S752L27N3S 50 16 – 50 12.5 15 20 7-1/2 10 20 25 S752L50N3S � For applications above 40°C, derate 1% per °C. Severe Duty Ratings Severe Duty ratings are deŢned as those that do exceed any of the Heavy Duty operating conditions. Please contact the Technical Resource Center for Severe Duty application assistance. Discount Symbol . . . . . . . . . . . . . . . . . . . . . . . . 1CD1 CA08102001E For more information visit: www.eaton.com Reduced Voltage Motor Starters 39-18 Solid-State Starters February 2007 Type S752, Intelligent Technologies (IT.) Soft Starters IT. S752 Product Selection — Inside-the-Delta Standard Duty Ratings Standard duty ratings are deŢned as those that do not exceed any of the following operating conditions: ■ 10 second ramp, 6 starts per hour, 40°C ambient, 300% FLA current ■ 7.5 second ramp, 8 starts per hour, 40°C ambient, 300% FLA current ■ 3.0 second ramp, 15 starts per hour, 40°C ambient, 300% FLA current � Table 39-17. IT. S752 Soft Starter Standard Duty Ratings — Inside-the-Delta Maximum FLA Current kW Rating (50 Hz) Horsepower Rating (60 Hz) Catalog Price � Continuous Range Number U.S. $ 230V 380 – 400V 440V 200V 230V 460V 575V Current 1.3 0.44 – 1.3 0.18 0.37 0.55 1/4 1/3 1/2 3/4 S752L01N3D_ _ _ 3.2 1.1 – 3.2 0.55 1.1 1.5 1/2 3/4 1-1/2 2 S752L02N3D_ _ _ 7.6 2.5 – 7.6 1.5 3 4 1-1/2 1-1/2 3 5 S752L04N3D_ _ _ 15 4.9 – 15 3.7 6.5 8337-1/2 10 S752L09N3D_ _ _ 39 27 8.7 – 27 6.5 12.5 15 7-1/2 7-1/2 15 25 S752L16N3D_ _ _ 46 15 – 46 12.5 22 25 10 15 30 40 S752L27N3D_ _ _ 78 28 – 86 22 37 45 25 25 60 75 S752L50N3D_ _ _ � For applications above 40°C, derate 1% per °C. � For Voltage SufŢx, See Table 39-18. Table 39-18. Voltage SufŢx Code Voltage SufŢx Voltage V02 < 240V V06 250 – 600V Heavy Duty Ratings Heavy duty ratings are deŢned as those that do not exceed any of the following operating conditions: ■ 10 second ramp, 6 starts per hour, 40°C ambient, 400% FLA current ■ 7.5 second ramp, 8 starts per hour, 40°C ambient, 400% FLA current ■ 3.0 second ramp, 15 starts per hour, 40°C ambient, 400% FLA current � Table 39-19. IT. S752 Soft Starter Heavy Duty Ratings — Inside-the-Delta Maximum FLA Current kW Rating (50 Hz) Horsepower Rating (60 Hz) Catalog Price � Continuous Range Number U.S. $ 230V 380 – 400V 440V 200V 230V 460V 575V Current 1.3 0.44 – 1.3 0.18 0.37 0.55 1/4 1/3 1/2 3/4 S752L01N3D_ _ _ 3.2 1.1 – 3.2 0.55 1.1 1.5 1/2 3/4 1-1/2 2 S752L02N3D_ _ _ 7.6 2.5 – 7.6 1.5 3 4 1-1/2 1-1/2 3 5 S752L04N3D_ _ _ 15 4.9 – 15 3.7 6.5 8337-1/2 10 S752L09N3D_ _ _ 27 8.7 – 27 6.5 12.5 15 7-1/2 7-1/2 15 25 S752L16N3D_ _ _ 46 15 – 46 12.5 22 25 10 15 30 40 S752L27N3D_ _ _ 78 28 – 86 15 25 30 15 20 40 60 S752L50N3D_ _ _ � For applications above 40°C, derate 1% per °C. � For Voltage SufŢx, See Table 39-20. Table 39-20. Voltage SufŢx Code Voltage SufŢx Voltage V02 < 240V V06 250 – 600V Severe Duty Ratings Severe Duty ratings are deŢned as those that do exceed any of the Heavy Duty operating conditions. Please contact the Technical Resource Center for Severe Duty application assistance. Discount Symbol . . . . . . . . . . . . . . . . . . . . . . . . 1CD1 For more information visit: www.eaton.com CA08102001E Reduced Voltage Motor Starters 39-19 Solid-State Starters February 2007 Type S752, Intelligent Technologies (IT.) Soft Starters Accessories Renewal Parts The only renewal part available for the S752 Soft Starter is Auxiliary Contacts the Control Terminal Block. There are no serviceable or The S752 allows for the use of top mounted auxiliary con- replaceable internal parts. tacts. These contacts can be used for up-to-speed indication. Table 39-25. S752 Control Terminal Block Table 39-21. S752 Auxiliary Contacts Description Catalog Price Poles Catalog Price Number U.S. $ Number U.S. $ Locking Terminal Block EMA76LS 1NO EMA13 1NC EMA14 S751 Replacement Cross-Reference 1NO/1NC EMA15 The S752 has replaced the S751 in the Cutler-Hammer 2NO EMA16 2NC EMA17 product offering. Table 39-26 summarizes the S752 Catalog 1NO/1NC Logic Level EMA70 Numbers that are used to replace an existing S751 device: Table 39-26. S751 Replacement Cross-Reference Table 39-22. S752 — Maximum Number of Auxiliary Contacts Current Range in S751 Catalog Number Replacement S752 EMA13 EMA14 EMA15 EMA16 EMA17 EMA70 Amps Catalog Number 1NO 1NC 1NO/1NC 2NO 2NC 1NO/1NC 39 Logic Level 0.25 – 0.8 S751L01N3S S752L01N3S � � � 332 2 2 3 0.59 – 1.9 S751L02N3S S752L02N3S � One EMA70 or one EMA13/EMA14 may be used in the center position 1.4 – 4.4 S751L04N3S S752L04N3S in conjunction with two of these devices in the outer positions. 2.8 – 9.0 S751L09N3S S752L09N3S Table 39-23. S752 — Auxiliary Contact Ratings (EMA13 – EMA17) 5.0 – 16 S751L16N3S S752L16N3S 8.4 – 27 S751L27N3S S752L27N3S DC-13 AC-15 U Voltage I Amps U Voltage I Amps e e e e Standards and CertiŢcations 24 5 48 8 48 2.5 120 6 ■ IEC 60947-4-2 125 1.1 240 4 ■ EN 60947-4-2 250 0.55 440 2 ■ UL Listed (NMFT) Table 39-24. S752 — Auxiliary Contact Ratings (EMA70) ■ CSA CertiŢed (321106) DC-12 AC-12 ■ CSA Elevator Duty (241103) U Voltage I Amps U Voltage I Amps e e e e ■ CE marked 30 0.1 250 0.1 Instructional Leaţets Instruction Manual MN03902001E Outline Drawings S752: 10-8673 S751: 10-8328 Discount Symbol . . . . . . . . . . . . . . . . . . . . . . . . 1CD1 CA08102001E For more information visit: www.eaton.com Reduced Voltage Motor Starters 39-20 Solid-State Starters February 2007 Type S752, Intelligent Technologies (IT.) Soft Starters Technical Data and SpeciŢcations Table 39-27. S752 Open Soft Starters Soft Starter S752 S752 S752 S752 S752 S752 S752 (Partial Catalog Number) L01 L02 L04 L09 L16 L27 L50 In-Line Current Capacity 0.8 1.9 4.4 9.0 16 27 50 Inside-the-Delta Current 1.3 3.2 7.6 15274678 Capacity Dimensions Width in Inches (mm) 2.14 (54) 2.14 (54) 2.14 (54) 2.14 (54) 2.14 (54) 2.14 (54) 2.14 (54) Height in Inches (mm) 7.78 (198) 7.78 (198) 7.78 (198) 7.78 (198) 7.78 (198) 7.78 (198) 7.78 (198) Depth in Inches (mm) 5.13 (130) 5.13 (130) 5.13 (130) 5.13 (130) 5.13 (130) 5.13 (130) 5.13 (130) Weight in lbs. (kg) 3.5 (1.6) 3.5 (1.6) 3.5 (1.6) 3.5 (1.6) 3.5 (1.6) 3.5 (1.6) 3.5 (1.6) Drawing See Figure 39-7. Electrical Characteristics Line Voltage (V AC) 200 – 600 200 – 600 200 – 600 200 – 600 200 – 600 200 – 600 200 – 600 Operating Frequency (Hz) 47 – 63 47 – 63 47 – 63 47 – 63 47 – 63 47 – 63 47 – 63 Leakage Current 15 mA AC max. 39 Min. Operating Current 100 mA Control Voltage (24V DC ±10%) 21.6 – 26.4 21.6 – 26.4 21.6 – 26.4 21.6 – 26.4 21.6 – 26.4 21.6 – 26.4 21.6 – 26.4 Response Time Max. 100 mS 100 mS 100 mS 100 mS 100 mS 100 mS 100 mS Control Steady State Current 200 mA 200 mA 200 mA 200 mA 200 mA 200 mA 200 mA Inrush Current (During Bypass) 3.6A @ 50 mS 3.6A @ 50 mS 3.6A @ 50 mS 3.6A @ 50 mS 3.6A @ 50 mS 3.6A @ 50 mS 3.6A @ 50 mS Control Wiring (+ and -) 1 Wire per Terminal 14 – 12 AWG 14 – 12 AWG 14 – 12 AWG 14 – 12 AWG 14 – 12 AWG 14 – 12 AWG 14 – 12 AWG 2 2 2 2 2 2 2 (1.5 – 2.5 mm ) (1.5 – 2.5 mm ) (1.5 – 2.5 mm ) (1.5 – 2.5 mm ) (1.5 – 2.5 mm ) (1.5 – 2.5 mm ) (1.5 – 2.5 mm ) (+ and -) 2 Wires per Terminal 14 AWG 14 AWG 14 AWG 14 AWG 14 AWG 14 AWG 14 AWG 2 2 2 2 2 2 2 (1.5 mm ) (1.5 mm ) (1.5 mm ) (1.5 mm ) (1.5 mm ) (1.5 mm ) (1.5 mm ) (P,F,1,2,3) 1 Wire per Terminal 22 – 12 AWG 22 – 12 AWG 22 – 12 AWG 22 – 12 AWG 22 – 12 AWG 22 – 12 AWG 22 – 12 AWG 2 2 2 2 2 2 2 (0.5 – 2.5 mm ) (0.5 – 2.5 mm ) (0.5 – 2.5 mm ) (0.5 – 2.5 mm ) (0.5 – 2.5 mm ) (0.5 – 2.5 mm ) (0.5 – 2.5 mm ) (P,F,1,2,3) 2 Wires per Terminal 18 – 14 AWG 18 – 14 AWG 18 – 14 AWG 18 – 14 AWG 18 – 14 AWG 18 – 14 AWG 18 – 14 AWG 2 2 2 2 2 2 2 (0.75 – 1.5 mm ) (0.75 – 1.5 mm ) (0.75 – 1.5 mm ) (0.75 – 1.5 mm ) (0.75 – 1.5 mm ) (0.75 – 1.5 mm ) (0.75 – 1.5 mm ) Torque (max.) 4.5 lb-in (0.5 Nm) 4.5 lb-in (0.5 Nm) 4.5 lb-in (0.5 Nm) 4.5 lb-in (0.5 Nm) 4.5 lb-in (0.5 Nm) 4.5 lb-in (0.5 Nm) 4.5 lb-in (0.5 Nm) Driver 0.13 (3.5 mm) 0.13 (3.5 mm) 0.13 (3.5 mm) 0.13 (3.5 mm) 0.13 (3.5 mm) 0.13 (3.5 mm) 0.13 (3.5 mm) Flat Flat Flat Flat Flat Flat Flat Terminals L1, L2, L3/T1, T2, T3 — Use Class B 75°C copper wire only 1 Wire per Terminal 14 – 4 AWG 14 – 4 AWG 14 – 4 AWG 14 – 4 AWG 14 – 4 AWG 14 – 4 AWG 14 – 4 AWG 2 2 2 2 2 2 2 (1.5 – 16 mm ) (1.5 – 16 mm ) (1.5 – 16 mm ) (1.5 – 16 mm ) (1.5 – 16 mm ) (1.5 – 16 mm ) (1.5 – 16 mm ) 2 Wires per Terminal 14 – 6 AWG 14 – 6 AWG 14 – 6 AWG 14 – 6 AWG 14 – 6 AWG 14 – 6 AWG 14 – 6 AWG 2 2 2 2 2 2 2 (1.5 – 12 mm ) (1.5 – 12 mm ) (1.5 – 12 mm ) (1.5 – 12 mm ) (1.5 – 12 mm ) (1.5 – 12 mm ) (1.5 – 12 mm ) Torque (max.) 2 14 – 10 AWG (1.5 – 6 mm ) 35 lb-in (4 Nm) 35 lb-in (4 Nm) 35 lb-in (4 Nm) 35 lb-in (4 Nm) 35 lb-in (4 Nm) 35 lb-in (4 Nm) 35 lb-in (4 Nm) 2 8 AWG (10 mm ) 40 lb-in (4.5 Nm) 40 lb-in (4.5 Nm) 40 lb-in (4.5 Nm) 40 lb-in (4.5 Nm) 40 lb-in (4.5 Nm) 40 lb-in (4.5 Nm) 40 lb-in (4.5 Nm) 2 6 – 4 AWG (6 – 4 mm ) 45 lb-in (5 Nm) 45 lb-in (5 Nm) 45 lb-in (5 Nm) 45 lb-in (5 Nm) 45 lb-in (5 Nm) 45 lb-in (5 Nm) 45 lb-in (5 Nm) Connector Type Box Lug Box Lug Box Lug Box Lug Box Lug Box Lug Box Lug Driver 3mm Hex Key 3mm Hex Key 3mm Hex Key 3mm Hex Key 3mm Hex Key 3mm Hex Key 3mm Hex Key Environmental Characteristics Temperature — Operating -35° – 50°C -35° – 50°C -35° – 50°C -35° – 50°C -35° – 50°C -35° – 50°C -35° – 50°C (no derating) Temperature — Derate >50°C -1% per °C -1% per °C -1% per °C -1% per °C -1% per °C -1% per °C -1% per °C (max. 65°C) Temperature — Storage -40° – 80°C -40° – 80°C -40° – 80°C -40° – 80°C -40° – 80°C -40° – 80°C -40° – 80°C Altitude (Meters) — No Derat- 2000 2000 2000 2000 2000 2000 2000 ing Altitude > 2000M 1% per 100m 1% per 100m 1% per 100m 1% per 100m 1% per 100m 1% per 100m 1% per 100m Humidity 95% Non-condensing Operating Position Vertical ± 30° Impulse Withstand Voltage IEC 4000V 4000V 4000V 4000V 4000V 4000V 4000V 947-4-1 Rated Insulation Voltage (Ui) 660V Installation Category III Vibration IEC 68-2-6 3g 10 – 150 Hz Shock 15g 15g 15g 15g 15g 15g 15g Degree of Protection IP20 IP20 IP20 IP20 IP20 IP20 IP20 Agency Approvals UL, CSA, CE For more information visit: www.eaton.com CA08102001E Reduced Voltage Motor Starters 39-21 Solid-State Starters February 2007 Type S752, Intelligent Technologies (IT.) Soft Starters Dimensions 7.78 (197.6) .18 7.18 (4.6) (182.4) 1.57 1.57 (39.8) (39.8) 39 5.13 (130.2) 4.06 3.84 (103.2) (97.5) 2.49 (63.3) 2.14 (54.4) Figure 39-7. S752 Approximate Dimensions in Inches (mm) CA08102001E For more information visit: www.eaton.com