Tender For m-type stainless steel tubular heater elements 400 watts, 83v, without fin s, to be used with 3 phase, 415v supply, suitable for use in rmpu of lhb type ac coach es, as per sidwal make part no. 075-1020, confirming to rdso specification no. rdso/pe /spec/ac/0061-2005(rev-1)). [ warranty period: 30 months after the date of delivery ]