AUTO MANUAL BYE PASS, ROTARY SWITCH FOR AIR CONDITIONING; CURRENT RATING- 16A, POSITION- 3 ( AUTO, MANUAL, OFF ), NO. of POLES- 7 AS PER S. NO. 192 OF BILL OF MATERIAL OF RDSO SPEC. NO. RDSO/ PE/ SPEC/ AC/ 0184- 2015 ( REV- 0 ) AND CONFIRMING TO RDSO SPEC NO. RDSO/ PE/ SPEC/ AC/ 0184- 2015 ( REV- 0 ). SUITABLE FOR USE IN SWITCH BOARD CABINET OF LHB TYPE AC COACHES. Make: L & T/ Salzer/ Kaycee/ Siemens