TOSHIBA RELAYS 2E MOTOR PROTECTION MODEL RC820 "OVERLOAD & SINGLE-PHASE PROTECTION "SOLID-STATE "MANUAL TEST FEATURE "MANUAL/REMOTE/AUTO RESET " SURFACE/FLUSH MOUNTING RELAYS PROTECTION 2E MOTOR MODEL RC820 characteristic, sec . (starting range from 3 to 40 many motor relay eliminates Toshiba's 2E voltage to accomodate reduced at 600% current) precise solid state . This relay features failures inertia loads. start-ups and high horsepower/voltage protection for any motor complies with international The 2E relay The 2E combination in just three ratings . and CSA (USA) listed as well as UL standards protection provides overload and single phase certified . (Canada) for very wide and has an adjustable setting MOUNTING SURFACE/FLUSH " PROTECTION & SINGLE-PHASE "OVERLOAD mounting . surface or flush Selectable incorporated . functions are protective Two FLEXIBILITY " "SOLID-STATE for high degree of flexibility allows for a The relay and high reliability circuit provides Fully solid-state current and trip time wide range of coordinating with operation . precise . settings TEST FEATURE "MANUAL INDICATOR " VISIBLE TRIP convenience for sequence offers test switch Manual clearly until reset . relay trip status indicator shows LED testing . RECOGNIZED INTERNATIONALLY " RESET MANUAL/REMOTE/AUTO " standards as well with international The relay complies gives application reset mode selection of Wide certified . CSA (Canada) (USA) listed and as UL flexibility. O regulating circuit Voltage Control Power power supply supply circuit ~II L2/S L1/R L3/T Remote reset contact Current setting circuit -- used Not I Operating time Timer Smoothing Rectifier Amplification setting circuit circuit circuit circuit circuit 8 IE~~~1~~ b Output Indication/ 9 contacts output Circuit a 10 Single- Phase phase level current failure Timer Smoothing Rectifier discrim- circuit detecting circuit circuit circuit inating circuit Load circuit CONTROL TERMINALS CURRENTSETTING TRIP TIME SETTING LED TRIP INDICATOR TEST/RESET SWITCH (SPRING RETURN) FLUSH MOUNTING FEET FLUSH COVER SELECTION NOMENCLATURE MODEL NO. RESET MOUNTING UL & CSA RC820-HP 1 Y 12 RC820-HP == := :'Y SURFACE YES (1) (2) (3) (4) (5) MANUAL RC820-HP :=_:='Y2 FLUSH NO (Series) No . RC820 (1) Model ES RC820-AP-'L------'Y AUTO SURFACE HP . . . Manual Reset (2) Reset Mode -Y Reset RC820-HP[==== Y12 AP . . . . Auto NO SURFACE REMOTE 1 . . . . . . 7AT (3) Current Rating YES RC820-HP ~=_= . Y72 AT 2 . . . . . . 55 3. . . . . . 110 AT 100-120/200-240 V AC (4) Control Volt . Y .. . . . . Mounting .. . . . . Standard Surface (5) Variation 2 . . . . . . Flush Mounting 12 . . . . Remote Reset (Standard) . . . . Remote Reset 72 Certified) (UL Listed/CSA SPECIFICATIONS RATINGS & RC820- Model RC820- RC820- HP2Y HP3Y HP1Y AP3Y AP1Y AP2Y Item 600V AC, 50/60 Hz-Direct Three-phase circuit rated up to Circuit Applicable circuit by combining with high- (Also, applicable to high-voltage voltage CT) 55AT -:I 110AT Ampere-turns (AT) 7AT Rated Current Rated rated AT Setting Range 75-150% of Ultimate Operating Overload Protection 105-125% of setting current Current current . for starting characteristics at 600% of setting Trip Time Setting Range 3-40 sec Operating Time of setting time =j=20% Accuracy completely loss (When 85% of setting current under one-phase Protection Minimum Operating Single-Phase remaining phase) . measured on either Current Less than 4 sec. Operating Time VAC, 10, 50/60 Hz 100-120V/200-240 Control Power Rating Allowable Volt. 85%-110% Fluctuation Control Power Circuit 2VA Power Consumption rated current Detecting (CT) Circuit 0.3 VA/phase at (SPDT/Form C) Contact Capacity Contact Arrangement 1NO-NC Output 120V AC-5.OA (Resistive load) Contact Capacity 120VAC-3.OA (inductive load, pf=0.40) 125V DC-0.2A (L/R =7ms) 250V DC-0.1A (L/R =7ms) NEMA B300 Approx . 1 kg (2.2 lbs.) Weight OPERATING CHARACTERISTIC CURVE 800 800 500 500 Overload operating 400 400 I 300 300 200 200 Overload operating 100 100 characteristics INEW 80 80 50 50 v w 40 40 INS 30 30 40 38 . 35 v 33 20 20 30 v 28 25 I\`\ 23 20 w 18 10 10 15 8 8 40 13 38 35 ~" 33 10 5 5 -~ 30 8 28 25 4 4 - 23 20 3 3 5 18 15 Single-phase operating -` - Single-phas 13- characteristics operating 10 characteristics 8 5 3 3 4 0.8 1 2 3 4 5 6 8 10 0.8 1 2 5 6 8 10 MULTIPLES OF LOAD CURRENT MULTIPLES OF LOAD CURRENT 10 RUNNING CHARACTERISTIC STARTING CHARACTERISTIC (Notes) (1) Overload operating characteristics of setting Ultimate operating current---105-125% current (2) Single-phase operating characteristics Min . operating current"--85% of setting current : mm (in) Unit INSTALLATION 5(0.20) Dia-4 Mounting Holes 40 (1 .58) SURFACE MOUNTING Panel Mounting 8 (0.32) Dia-2 Mounting Holes 1 .6 Min-3.2 Max .125 Max .) (0.06 Min-0 MOUNTING FLUSH WIRING power supply Low-voltage or less 600 V AC power supply PT or control transformer High-voltage 2.4KV-13.8KVAC (100-120V Secondary) *Connections of control power source (Notes) AC 100-120V-Terminals 1-2 1-3 AC 200-24®V-Terminals other volt ., useCPT. For High-voltage CT secondary circuit of output contacts `"Connections wires pass through the windows of NC-contact (opened when the 2E the built-in CT's. Relay operated)-Terminals 8-9 NO-contact (closed when the 2E Relay operated)-Terminals9-10 -Connections of Remote reset switch HIGH-VOLTAGE LOW-VOLTAGE HOW TO SET Full Load, 1.15 S.F . preli- Example: 200HP, 460V, 240A suitable model may require some Selection of the Across-the-line start. Setting" to determine minary calculations . See "Current the highest rated 2E 240 Amps exceeds if calculated "Current Setting %" can be obtained the Relay, therefore, external CT's must be model given the motor full load current with the selected used, and the HP1Y, 7 AT rated 2E, will be can also be influenced by wire (FLA). Model Selection when the turns that can be passed chosen as the standard model which limits the number of size current exceeds the HP3Y's rating . If 300/5 windows . through the CT are used, CT's (1) Current Setting x 240x N(T) 100% ® (2E AT Rating)x(External CT Ratio) = the Current Setting% I ) Nk 7 x (300) FLA 5 N(T)=Number of wire turns through 2E built-in CTs, N(T)x57.14®/0 . round off to nearest integer. And if 2 turns through the 2E Relay's CT FLAxN x 100 Setting %)= (Current external CT's) are used, windows (from the (2E AT Rating)x (External CT Ratio) the% Dial "Select theexternalCT ratiosothatthecurrent Notes: =114%=110% or 115% Setting = 2x57.14 % is as close to 100% as possible . setting (2) Time setting If no external CT are used, substitute with Determine the protection curve from 2E Relay "1.0" . and read the operating time at 600% operating curves, "For 1 .15 Service Factor Motors . If the motor switch of setting current . Adjust the time setting dip has a 1 .0S.F . multiply thecalculated "Current above the operating time . to the nearest setting Setting %" by 0.93 . (Practice in USA) INFORMATION ORDERING When ordering specify ; " Model No . & Quantity "Any Special Requirement Corporation: Toshiba International Vancouver Houston, Toshiba International Corporation TOSHIBA Melbourne Pty. Ltd.: Sydney, (Europe) Ltd. Toshiba International CORPORATION TOSHIBA Equipment Department Industrial .TOKYO. 105.JAPAN . SHIBAURA 1-CHOME. MINATO-KU 1-1 5444-9268 PHONE: 3457-4900. FAX: Operations-Producer Goods. Representative or International please contact your nearest Toshiba Liaison : For further information, catalog are subject to change without notice. The data given in this Printed in Japan '96-7O(NA)7094