Supply Of Master Controller With Deadmanss Contact To Bhel Drg.no.05771030020v00 Catalogue No.480160008 For 1400 Hp Demu/dpc. Specifications 1 Contact Gap 2.55 To 3.2 Mm 2 Contact Pressure:280 To 400 Gms 3 Cam Roller Gap: 0.79 Mm. 4 Rating & Application 110v Dc Nominal 5 Air Pressure-70 Psi 6 Pilot Valve Stem Movement 4.75 To 6. 35mm.make: Bhel Or Bhopal Electrical Insulation Pvt Ltd Or Sugo Industries Or Similar.