India, March 13 -- DELHI METRO RAIL CORPORATION LIMITED (DMRC) has issued a tender notice titled "Procurement of Mccb 4P 250A" with the tender reference no.: RS13008593.
The tender details are as follows: MCCB 4P 250A Standard breaking capacity Icu = Min. 50kA, Voltage-415 VAC, Number of poles:- 4 LI In:- 250 Amp, line protection trip unit, Microprocessor Based Trip Unit Rated current IR =200...250 Amp, Overload protection II = 1250...2500 Amp, Short circuit protection N protected (100 %) without auxiliary release without auxiliary/alarm switch. Operating frequency maximum:- 120 1/s, Rated operational voltage Ue max:- 690 Volt, insulation voltage rated value:- 800 volt, for main curre nt circuit at DC maximum:- 500 Volt, IP 20 protection c...