Chopper current sensor rated current: 350A, ratio: 1/ 2000, power supply: +/- 15 to 24V, model no. LTC 350- SF of M/ s. LEM make or its similar for SIV ' s of AAL make. Note: 1 ) Firm must mention the specific make of the offered material while participating in the tender, otherwise such offers are liable for rejection. 2 ) One sample should be got approved before effecting bulk supply.