Procurement and retrofitting of 415 Volt Air Circuit Breakers at different locations of EMOPH Department.

AIR CIRCUIT BREAKER,3P, 1600A,415V, 50HZ Additional Data: Procurement, Supply, Retrofitting, Testing and Commissioning of 415V, 1600A, 3P, 50 HZ Air Circuit Breakers at KTPS, WBPDCL. Make: Siemens / ABB / Schneider / L&T / BCH / Havells / C&S. Specifications:- 1)Standard: IS 13947-2 or IEC 60947-2 2)ROHS Compliant: Yes 3)Rated Impulse withstand Voltage# Power circuit: 12 KV 4)Rated Impulse withstand Voltage # Auxiliary circuit: 4 KV 5)Rated Insulation Voltage: 1000 V 6)Ambient Temp. Operation: 65 deg. C 7)Frequency: 50HZ 8)Utilization Category: B 9)Protection Level: IP 20 10)Over Voltage Category: IV 11)Pollution Degree: III 12)Reversible Power feed: Yes 13)Rated Current: 1600A @50 deg C 14)No. of Poles: 3 Pole 15)Type: Electrical Draw out(EDO) Type 16)Rated short time withstand Capacity: 65 KA for 1 sec 17)Rated Breaking Capacity: 65 KA 18)Rated making capacity: 143 KA 19)Closing Time: 60 ms (max) 20)Opening time: 40 ms (max) 21)Mechanical Life span: 20000 Operations 22)Electrical Life span: 7000 23)Shunt coil: Required 24)Closing Coil Required 25)Provision of coil supervision: a) Pre-close trip circuit supervision b) Post close trip circuit supervision 26)Spring charge motor Voltage: 240 V AC/DC 27)Control voltage: 240 V AC/DC