supply of over heat protection switch for heater 25 ampsover heat protection switch for heater 25 amps,over heat protection switch, for heater 25 amps /380-440 volt ac, operatin g temperature for the switch head- up to +130 degree c, 3 pole, probe length 85 mm, dia meter of probe 12 mm, for lhb rmpu ac unit coaches, along with self destroying type ex cess temperature protector fusible link, which operates at temperature 130 degree c, with flange, confirming to rdso specification no. rdso/pe/spec/ac/0061-2005 (rev-1), suit able for use in lhb type rmpu ac coaches (pl : 43100340) acceptable makes are esti make, est i-schal te eda 25 or any other make with prior approval of rdso. [ warranty period: 30 m onths after the date of delivery ] ]