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Supplementary Instructions Manual

Westinghouse SJA, Supplementary Instructions Manual

The Westinghouse SJA Supplementary Instructions Manual is a valuable resource for maximizing your product experience. This comprehensive manual is available for free download, providing detailed instructions and tips on utilizing your Westinghouse SJA efficiently. Access the manual from our website and unlock the full potential of your device.

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Courtesy of NationalSwitchgear.com

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Summary of Contents for SJA

Page 1: ...impact the sensitivity should be decreased If either unlatch solenoid fails to trip the latch when rated solenoid voltage is applied then the sensitivity should be increased Refer to the seotiofr on MAINTENANCE 1 TABLE I COIL INRUSH DATA Coll Function Rating Volt Amperes Close contactor 110 120 VAC 1300 Close contactor 220 240 VAC 1400 Close contactor 125 VDC 1500 Close contactor 250 VDC 1600 Open...

Page 2: ... As latch edge E passes the centerline of the cam roller the roller starts moving upward driven by the latch spring By the time the armature reaches the magnet the cam roller passes completely by latohcedge E into position L and the contactor is latched closed 2 The cam roller cannot travE JI to the top of the notch in the armature because the latc h arm stops against the latch adjustment bolt The...

Page 3: ... tactor Operate appropriate pushbuttons to close If the contactor does not close fully refer to MAINTENANCE 3 LL 16 200 35A RCJNT VIEW SPACING WASHERS The contactor should automatically latch and stay closed Make sure that the coil clearing contact automatically removes control circuit voltage after the contact Is closed to prevent coil burnout While the contactor is closed observe the overtravel ...

Page 4: ...NICAL LATCH FOR 360A SJ Effective 1 86 Supersedes 16 200 35 11 83 Westinghouse Electric Corporation Control Division Asheville N C U S A 28813 1 L 16 200 35A Printed In USA Courtesy of NationalSwitchgear com ...

Page 5: ...the open position If it doesn t the backlash clearance is insufficient To increase the clearance loosen all five latch mounting bolts A and B Figure 3 and tap both the left and right bearing plates rearward a few thou sandths of an inch Re tighten the five bolts and re check both the free fall release and the freedom from rubbing between the latch arm and the armature Re install the latch spring C...

Page 6: ...51 1 JI I _l L 1 f_ __L 1 TRIP TARGET FOR LATCH 0 O STD AMPGARD DOOR 1 ff 30 TRAVEL REQ D TO TRIP TYPE SJA 0 Od I I0 11 _3 t D 14 2 i r r 4 30 I LATCH TRIP J i rlri TAf GET c I b I 8 50 I _L U _ _ Li U Li ___ L 1 8 07 j REQ D TO r Lt _ too __J TYPE SJO_ 0 0 0 c s m c z 2 I r i c Tl 0 D c 0 CJ c r 0 I I 0 0 I c Courtesy of NationalSwitchgear com ...

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