DC to DC Converter for switch board cabi [ DC to DC Converter for switch board cabinet of LHB AC coaches. 110/ 24 V, 240 W, 10 A as per RDSO specification RDSO/ PE/ SPEC/ AC/ 0192- 2018 ( Rev 1 ) or latest. Make as per mentioned in BOM of specification i.e ABB/ Phoenix/ COSEL/ Siemens/ ASK powertech only. ]