3 Pole 40 A 440 V Contactor (3 No. Pole C0Ntact Composition) With 110 V Dc Standard Coil Auxiliary Contact Composition 1 No 1 Nc Mechanically Linked. Material To Be Procured From Clw Approved Sources/Authorised Dealer With Tender Specific Authorization For 3 Phase Locomotve. As Per Drg.No. 3 Pole 40 A 440 V Contactor (3 No. Pole C0Ntact C Specn: 3 Pole 40 A 440 V Contactor (3 No. Pole C0Ntact Composition) With 110 V Dc Standard Coil Auxiliary