procurement of various types of protection switches for 2x600mw, chp, ph-i and 2x660mw, chp, ph-ii, sstpp, dongalia. , inductive proximity switch type: sw-4053-n0d6-b30 contact rating: 400 mamp, 24v dc sensing dist: - 15 mm + 10% 2 wire proximity switch. , heavy duty roller limit switch type:sw-4042h22 contact rating:10 amps 240vac,50 hz contact combination:2no+2nc , sensor probe for speed switch type: sp 12b 30 , rating:12v dc + 20% sensing distance:15mm + 10% , sensor probe for speed switch type: sp12-b60r , rating:12v dc + 20% sensing distance:40mm + 10% , limit switch element type:- d/0398 contact arrangement :- 2no+2nc contact rating:- 10 amps res@240 vac , toggle limit switch type: - sw4010h22 with built in terminal box, for direct looping without use of any additional junction box. enclosure:- pressure die cast aluminum grade of protection:- ip 66 contact arrangement :- 2no+2nc contact rating :- 10 a res. at 240 vac reset:- manual , electronic speed switch type:- rm e 211/nitd/s3/ca/22/b30 consisting ofa) monitoring unit b) sensor probe supply voltage:- 110/240 vac enclosure:- cast aluminum for monitoring unit ip65. output contact: - 2 no+2 nc itd:- 1-20 sec contact rating :- 5 amp @240 v ac speed range:- 5-5000 rpm. (1imp/rev.) sensor probe type:- sp 12 b30 probe size:- m30x65 mm enclosure:- nickel platted brass tube protection grade :- ip 67 mounting :- flush sensing distance:- 9 mm + 10 % cable:- 3 core, 2mtrs, long pvc flex. , electronic speed switch type:- rm e 211/nitd consisting ofa) monitoring unit b) sensor probe supply voltage:- 110/240 vac enclosure:- cast aluminum for monitoring unit ip65. output contact: - 2 no+2 nc itd:- 1-20 sec contact rating :- 5 amp @240 v ac speed range:- 10-100 rpm. (4imp/rev.) sensor probe type:- sp 12 b30 probe size:- m30x65 mm enclosure:- nickel platted brass tube protection grade :- ip 67 mounting :- flush sensing distance:- 9 mm + 10 % cable:- 3 core, 2mtrs, long pvc flex. , belt tear detctor type:- sw-4320e22p or equivalent consisting of a pair of mounting unit together with a pair of sensing ropes. a) monitoring unit in die cast aluminium enclosure with ip-66 grade of protection. epoxy painted (by powder coating technique) to shade 176 phirozi blue as per is:5 2 nos. 19 mm (3/4) bs conduit thread cables entries for each monitoring unit. b)sensing rope- stranded steel wire construction 6x7 construction pvc coating. contact arrangement :- 2no+22nc contact rating :- 10 a resistive @ 240 vac, 50 hz.