Public Health Engineering Department Tender

SITC of IP 40 4 pole current limiting Moulded case circuit breaker (MCCB) made of flame retardent & heat resistant material having following current rating, short circuit breaking capacity at 440/415 V, 50 Hz; O/L & S/C and inst. protection setting , True RMS sensing. as per PWD specification for electrical Works, conforming to IS/IEC 60947 P -2 :2003 with front face and centralised adjustable, common fault LED indication, Thermal memory, release trip shall confirm to EMC/ EMI compatability, trip free mechanisum, true contact position indicator, line load interchangeability, designed for both horizontal & vertical mounting without any adverse effect on electrical performance, suitable for operation upto 55 degree and without derating upto 40 degree, pollution degree 3, having positive isolation capability, push (test) to trip, trip time less then 10 ms under s/c condition, Breaking capacity Ics = 100% Icu. U imp =8 KV, rated insulation voltage 800 V, provision for UVR , shunt trip , earth fault trip, door interlock, pad lock & rotary handle , including making connections with lugs & spreaders, etc. as required. OEM shall have submit NABL / CPRI / ERDA accrediated lab type test certificate before execution & All as per pre approved by Engineer in charge. For additional technical parameters of products/ work , refer Annexure "A" attached with this BSR .

With Microprocessor based release

630 Amp , 50 kA, adjustable O/L & adjustable S/C setting, Ics = 100 % Icu