ABB CIRCUIT SHIELD 437W Series Instructions Manual Download | Manualshive

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Courtesy of NationalSwitchgear.com

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Summary of Contents for CIRCUIT SHIELD 437W Series

Page 1: ...s 437W 437G Drawout Test Case Catalog Series 437P 437F Drawout Test Case Catalog Series 237P 237F Standard Case ajygjJgJT irTowER R t A tfRCUIT 15 TARGET TRIP 0 5 1 TEST P i 1 m 0E A S ria P CKUP AMP OCEINITt CURVE CONTROL MEASURE 4 M fX WOir M t TY PE S i PM 5 7 g lT I CAT I B Courtesy of NationalSwitchgear com ...

Page 2: ...ection Incorrect wiring may result in damage diagram for the particular relay before energizing 1 Apply only the rated voltage marked on the relay front panel For units rated for 2 use with dc control power the proper polarity must be observed For units with dual rated control voltage the control voltage selector plug located on the lower circuit board must be placed in the correct position for th...

Page 3: ...he lower board should be in the 48vdc position if a soldered jumper is not used On earlier versions of the 437 series units be separated to gain access to the plug the upper and lower circuit boards must See section on Testing for the procedure Phase shift Selector Plug An internal selector plug is provided to set the relay s internal phase shift to 30 lower printed See connection diagrams for not...

Page 4: ...e wide sensitivity ranges and high continuous ratings to allow full use of the sensitivity Only one single phase relay is required in this application as the reverse power will be essentially equal in all phases A relay setting of 20 50 of the power required to motor the particular machine being protected is suggested override temporary self correcting power synchronizing should be set A time dela...

Page 5: ... 437G series relays include an internal link to select timer operation to have a definite time characteristic or to have an inverse timing characteristic The definite delay is adjustable 1 30 seconds The inverse characteristic is shown in Figure 6 16D237C 32R Std Case 6 38 AB Al oE o5 O4 03 T T l 212 8 1 22 6 53 6 68 31 165 9 C t 174 8 0 63 PANEL 16 Jol IH 13 12 On X 4 88 J OIG Ois 124 q T 2 44 Ca...

Page 6: ...Numbers Test Case Package 60 Hertz 50 Hertz Nominal Rated Voltage Max Cont Current Time Delay Pickup Range 437W48X0 437G48X0 1 30 sec 10 A 5 60 Watts 120 v 437W78X0 437G78X 0 1 30 sec 208 v 10 A 9 104 Watts 437W47X0 437G47X0 1 30 sec 10 A 13 150 Watts 120 V 437W77x0 437G77X0 1 30 sec 10 A 22 260 Watts 208 v 437W46X0 437G46xO 1 30 sec 6 A 1 7 20 Watts 120 v 437W76X0 437G76X0 1 30 sec 6 A 3 35 Watts...

Page 7: ...lay see Figure 6 models available for 48 125 vdc at 0 05 ampere typ standby 48 110 vdc at 0 05 ampere 24 32 vdc at 0 05 ampere 24 vdc at 0 12 ampere 32 vdc at 0 10 ampere 220 vdc at 0 05 ampere 250 vdc at 0 05 ampere 120 vac at 0 05 ampere CONTROL POWER 437P 437F 437W 437G 437W 437G allowable variation units rated 110 vdc and above 12 20 units rated 48 vdc and below 20 9250vdc OUTPUT CIRCUIT RATIN...

Page 8: ...O 8 Cr L s 7 INTERNAL LINK SET ON 30 DEG Van Trip Sector General Notes 1 If phase sequence is A C B connect 32R terminal 10 to phase C potential rather than to phase B as shown above 2 If the potential transformers are connected Y Y instead of open delta as shown relay may be connected phase a to neutral if the internal maximum torque angle selector plug is set for 0 Notes for 437W 437G series uni...

Page 9: ... RELAYS TYPICAL CONTROL CONNECTIONS 437W 437G 12 32R 6 7 11 CONTROL POWER 52 a IaPl 0PF G Q 8 CXL Piokup 32 INTERNAL LINK SET ON 0 DEG TC V_ Trip w Sector General Note 1 Catalog Series 437W 437G preferred for this application 2 If phase sequence is A C B reverse the connections at terminals 9 and 10 of the relay Notes for 437W 437G series units only A For connection shown with internal link on 0 d...

Page 10: ...nt Directional L oz 2 0 VO H U H J H 0 W VO H H J W 3 2 1 5 H zH Z H W H 1 0 b 2 H U U Q W 0 5 U z u H H H 0 10 11 12 13 14 9 8 6 7 5 3 4 2 1 MULTIPLES OF PICKUP Timing Characteristic For 437W 437G Series Units with Timing Selector Link in the INV inverse Position Figure 6 Courtesy of NationalSwitchgear com ...

Page 11: ...earlier units Factory Calibration Pots R 1 1 Maximum Torque Angle R17 Sector Width R 19 Time Delay Figure 8 4 4 Typical Lower PC Layout RVl H n Control Voltage Selector Plug 437W 437G Series Phase Angle Calibration Pot factory adjustment Maximum Torque Angle Selector Plug Pickup Calibration Pot Timing Calibration Pot Time Curve Selector Plug O Q 1 Courtesy of NationalSwitchgear com ...

Page 12: ...hat secure the board to the backplane board can then be withdrawn forward from the printed circuit connector extender board catalog 200X0018 is available from the factory if assembly is required for troubleshooting Note that on 437W 437G series units there is a 3 conductor color coded cable that connects the upper and lower printed circuit boards Carefully remove the cable from the connector on th...

Page 13: ...d Increase the input current to 0 5 ampere Start the test set between 0 9 and 1 1 seconds Turn off the test source and reset The relay should operate to stop the timer the timer e Reverse the current leads at terminals 1 and 2 of the relay target The relay should not pick up Reset the Apply voltage and current and increase the current signal to 1 amp If the actual settings to be used in the applic...

Page 14: ...r Power in watts contacts transfer should be within 10 of the relay s minimum pickup rating d Increase the current setting to two times the value required for pickup Turn off the source and reset the timer Start the test set The relay should pick up and time out stopping the timer Time delay should be within 10 of the time dial setting e Reverse the current input leads at terminals 1 and 2 of the ...

Page 15: ...lay is per note at top of this page P O i r h i OIE 15 OIH 913 912 on 910 R TEST SET I 1 00 G ISO TIMER 3 START A M P S VOLTS a 3D LEflO 5T0P TIMER P H A S E P H A S E oT o o CONTROL VOLTABE Figure 9 Typical Test Circuit With Phase Shifting Source 05 OS OR 03 r r Note for 437W 437G series units output contact is 11 12 C P o Connect proper resistor 15 16 if relay is per note at top of this page 15 ...

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