ABB INS JS4AB Microlectric® Meter Socket 400 A, 1 PH, 120/240 V

Permanent red nameplate affixed to front cover warns that removal of meter does not isolate the load terminals; also notice of automatic circuit closing device on JS4A and warning to short circuit current transformer secondary before removal of meter on JS4B. Meter socket configuration for 5 jaw meters (can be readily converted to suit meter forms requiring 4 blades). 400/5 AMP. three-wire current transformer provides low current for service metering proportional to higher current draw. Consumer and corporate affairs Canada approved for revenue metering (200/5 and 300/5 AMP. also available). Gutter wiring space provided on left side. Twin covers allow access to either compartment (single cover available on request). Hub opening closure plate for underground service. All units can be converted to overhead service with addition of conduit hub and JS250 or JS500 tunnel type connector kit. Line side terminations: double 1/2inch studs to accommodate compression lugs for underground service (1 x 500 kcmil or 2 x 250 kcmil).