manual Control selection Fractional HP Starters with Melting Alloy Overload, Class SMF ___ Ordering Information Horsepower Ratings 4 Maximum Horsepower AC Single Phase DC >• Heater Elements see page 31. Volts 1 Pole 2 Pole 2 Pole > Accessories see page 34. 115-230 1 > Dimensions see pages 35-36. 277 >• Wirijig Diagrams see page 29. >• Application Data see page 29. Basic Starter—Class SMF, Single Phase General Purpose Flush Mounting NEMA Type 1 General Purpose NEMA NEMA Type NEMA (Open with Flush Plate) Enclosure Surface Mounting 3R, 4 and 12 Type 4 Type 7 & 9 Watertight, Watertight. Class I Groups Dust-tight Dust-tight B, C. D & Standard Jumbo Enclosure Metallic Class If Groups Gray Stainless Stainless Enclosure E. F. G Flush Steel Steel Enclosures Type Open Type Plate Flush Plate Flush Plate Standard Oversized of No. of Catalog Price Catalog Price Catalog Price Catalog Price Catalog Price Catalog Price Catalog Price Catalog Price Catalog Price Operator Poles Features No $ No $ No S No No No $ No $ No $ No $ S S Standard — SMFF01 38.50 SMFFF1 42.50 SMFFS1 45.00 SMFFG1 46.00 SMFFGJ1 54.00 SMFFWN1 162.00 — — 1 I I Q. _ With Red Pilot Light- SMFF01P 62.00 SMFFF1P 65.00 SMFFS1P 69.00 SMFFSJ1P 81.00 SMFFG1P 69.00 SMFFGJ1P 77.00 SMFFWN1P 169.00 Toggle Standard— SMFF02 46.00 SMFFF2 50.00 SMFFS2 54.00 SMFFG2 54.00 SMFFGJ2 62.00 SMFFWN2 223.00 — "1 2 I II With Red Pilot Light- SMFF02P 69.00 SMFFF2P 73.00 SMFFS2P 77.00 SMFFSJ2P 89.00 SMFFG2P 77.00 SMFFGJ2P 8500 SMFFWN2P 231.00 O Combination Reversing Starters, Class 25 & 26 ..... . .72-75 O a> Multi Speed Starters, Class 30 ................. . .76-81 '' O 3 Combinatien Multi Speed Starters, Class 32 ....... . .82-93 ill Auto Transformer Starters, Class 36 & 37 ............ . .95 Part Winding Starters, Class 36 & 37 ............... . .96 Wye Delta Open Transition, Class 36 & 37 ........... . .97 Wye Delta Closed Transition, Class 36 & 37 .......... . .98 Reduced Voltage Starter Kits .................. . .99-102 Non Reversing Contactors, Class 40 ........... . .103-104 Reversing Contactors, Class 43 ................... . .105 Duplex Controllers, Class 83 & 84 ............. . .106-109 Pump Control Panels, Class 87 & 88 ........... . .110-119 Field Modification Kits ...................... . .121-125 Factory Modifications ...................... . .126-132 Technical Data ............................ . .133-137 Dimensions .............................. . .139-156 Wiring Diagrams .......................... . .157-170 Siemens Industrial Control Products General/Wiring Manual Control F Fractional HP Starters, Class SMF i Enclosures Class SMF Class SMF, NEMAType 1 surface Class SMF fractional horsepower mounting enclosures are sheet steel starters provide overload protection as with a thermo-plastic wrap-around cover well as manual on-off control for small for convenience in wiring. The NEMA horsepower motors in a variety of Type 1 enclosure is also available in an industrial and commercial applications. oversized version which allows more Available in one or two pole versions, wiring space. A zinc alloy die casting is these devices are suitable for use with used for NEMA Type 4 enclosures. AC single phase motors up to 1 HP. Two pole starters can also be used with Pilot Lights DC motors up to % HP. Typical applica- Red or green neon pilot light units are tions include fans, conveyors, pumps, available factory installed in Class SMF, Clas s SMF Starter with Pilot Light and small machine tools. NEMA Type 1 surface and flush mount- ing and NEMA Type 4 enclosures or as Emergency Off Actuator Continuous Current Rating a field modification kit for NEMA Type 1 A toggle operator extender is available 16 amperes. enclosures and gray flush plates. (Red for Class SMF, NEMA Type 1 surface Overload Trip Assembly pilot light—standard. Green pilot light— mounted units. The extender has a red Motor protection is provided by a Class add "G" to end of type number.) vinyl button that provides a fast and SMFH heater element which must be easy method for locating and switching Terminals ="£ installed before the starter will operate. a> g the device's toggle operator into the Binding head screw type terminals are » S OFF position. The Emergency Off a. > Two Speed Starters suitable for #10 or smaller copper wire, O a> Actuator is available in kit form only for o = Two speed manual starters are and are accessible from the front. All field installation. designed for control of small single terminals are clearly marked. 2.TJ phase AC motors having separate wind- Handle Guard/Lock-Off Mounting ings for high and low speed operation. An optional handle guard on Class SMF, Open types without a pilot light fit Two toggle operated starters are used, NEMA Type 1 enclosed starters pre- standard single gang switch boxes, and with overload protection included for vents accidental operation of the toggle can be used with any cover plate having each motor winding. Surface mounting operator and also allows the toggle a standard toggle cutout. Single-unit devices, and those with a gray flush operator to be padlocked in either the flush mounting types, including those _^ plate, utilize a mechanical interlock "ON" or the "OFF" position. This han- with pilot lights, are suitable for wall . /Which allows direct control of the motor dle guard can be factory installed on mounting in a standard switch box or ^by means of the toggle operators. NEMA Type 1 enclosed starters and is for machine cavity mounting without a also available in kit form for field instal- box. lation on NEMA Type 1 surface and Operation flush mounting enclosures. Standard Available with toggle handle or with NEMA Type 4 metallic includes provi- removable key type operator to sion for padlocking in the OFF position. discourage unauthorized operation. Typical Wiring Diagrams—Class SMF T2 ___ L2 Ao L .— 1| —— ,L1 i H|— LI i HI— L1 4 3| V ,_. !t-». I? » , >St| L— £--»; T1 1 T1 ; T1 T2 T1 T2 2 4 4 T2 ^ /H (Motor J (Motor) 2 Wire (Motor) Control V I Device V, — S 2 Pole with 1 Pole 2 Pole Selector Switch /\ <^> Siemens Industrial Control Products Manual Control Selection I Heater Elements, Class SMF Ordering Information 1. Determine number of heater elements required from Table A. 2. Determine motor full load current and service factor. NOTE: If motor amps are unknown, an approximate value may be found on page 883. These values should be used with caution and only when motor amps are not available. 3. If the'motor and controller are in the same ambient temperature: a. Fof 1.15 to 1.25 service factor motors use 100% of motor full load current for heater element selection, Heater Elements Class SMF All tables are based on the operation of the b. For 1.0 service factor motors use 90% of motor full load current for heater element selection. motor and controller in the same ambient 4. If the motor and controller are in different ambient temperatures multiply motor full load current temperature, 40°C (104°F) or less. Always be certain the correct heater element is by the multiplier in Table B. Use the resultant full load current for heater element selection. installed in the starter before operating 5. Select proper heater element from table below. the motor. Heater Motor Full-Load Heater Motor Full-Load Current (Amps) Price $ Catalog No Current (Amps) Catalog No Price $ SMFH01 0.157-0.173 11.60 SMFH27 1.80-1.99 11.60 n> 5 SMFH02 0.174-0.192 11.60 SMFH28 1.96-2.15 11.60 Q- > SMFHD3 0.193-0.212 11.60 SMFH29 2.16-2.38 11.60 O 0) SMFH04 0.213-0.235 11.60 SMFH30 2.39-2.75 11.60 o = = o. SMFH05 0.236-0.261 11.60 SMFH31 2.76-2.84 11.60 SMFH06 0.262-0.289 11.60 SMFH32 2.85-3.06 11.60 I? SMFH07 0.290-0.321 11.60 SMFH33 3.07-3.45 11.60 SMFH08 0.322-0.355 11.60 SMFH34 3.46-3.70 11.60 SMFH09 0.356-0.399 11.60 SMFH35 3.71-4.07 11.60 SMFH10 041-0.44 11.60 SMFH36 4.08-4.32 11.60 SMFH11 0.45-0.49 11.60 SMFH37 4.33-4.90 11.60 SMFH12 0.50-0.53 11.60 SMFH38 4.91-5.35 11.60 SMFH13 0.54-0.58 11.60 SMFH39 5.36-5.85 11.60 SMFH14 0.59-0.65 11.60 SMFH40 5.86-6.41 11.60 SMFH15 0.66-0.71 11.60 SMFH41 6.42-6.79 11.60 SMFH16 0.72-0.78 11.60 SMFH42 6.80-7.57 11.60 SMFH17 0.79-0.85 11.60 SMFH43 7.58-8.15 11.60 SMFH18 0.86-0.96 11.60 SMFH44 8.16-8.98 11.60 SMFH19 0.97-1.04 11.60 SMFH45 8.99-9.67 11.60 SMFH20 1.05-1.16 11.60 SMFH46 9.68-995 11.60 SMFH47 SMFH21 1.17-1.25 11.60 9.96-10.8 11.60 SMFH22 1.30-1.39 11.60 SMFH48 10.9-12.1 11.60 SMFH23 1.38-1.54 11.60 SMFH49 12.2-13.1 11.60 SMFH50 SMFH24 1.48-1.63 11.60 13.2-13.9 11.60 SMFH25 1.57-1.75 11.60 SMFH51 14.0-15.0 11.60 SMFH26 1.66-1.86 11.60 SMFH52 15.1-16.0 11.60 Table A Table B—Special Applications Number of Heater Elements Heater Element Selection Number of Melting Alloy Type Thermal Overload Relays Device Heater Elements Notes Ambient Temperature of Motor SMF-F*1 Constant 10°C Constant 10°C SMF-F*2 Same as (18°F) Higher (18°F) Lower All single pole and two pole SMF SMF-F*3 Controller Than Controller Than Controller 1 starters require only 1 Heater Continuous SMF-FM Ambient Ambient Ambient Element. Duty Motor SMF-F*5 Service Factor Full Load Current Multiplier SMF-F*6 1.15to1.25 1.0 0.9 1.05 SMF-F*22 Duplex Unit. One Heater Element 2 1.0 0.9 0.8 0.95 SMF-FM4 per starter. SMF-F*11 Two Speed Starter. One Heater 2 SMF-F*22 Element per speed. Note: SMFH** Heater Elements are not interchangeable with MSFG30M** Heater Elements used on obsolete MSF manual starter line. MSFG30** Heater Elements are available for replacement purposes, contact sales office for availability. SAGGMGF. Discount Code: Manual Starters Siemens Industrial Control Products