supply of supply of dol starter for motor rating 5hp /3.7kw, 415v, ac, 3 phase 50hz, in s.s. housing incl. bimetallic relay with single phase preventer, dry run protection, water level sensor, low/high voltage protection, high current protection, necessary ryb indicators similar to type (dol):3tw72911a.74 of siemens make. relay range 6.5 a-13.5 a, coil voltage: 415v, 50hz conforms to is:13947-4-1 or latest. makes: siemens, c&s, abb, cg, bch, l&t or equivalent suitable for 5hp submersible pump.supply of dol starter for motor rating 5hp /3.7kw, 415v, ac, 3 phase 50hz, in s.s. housing incl. bimetallic relay with single phase preventer, dry run protection, water level sensor, low/high voltage protection, high current protection, necessary ryb indicators similar to type (dol):3tw72911a.74 of siemens make. relay range 6.5 a-13.5 a, coil voltage: 415v, 50hz conforms to is:13947-4-1 or latest. makes: siemens, c&s, abb, cg, bch, l&t or equivalent suitable for 5hp submersible pump.,supply of dol starter for motor rating 5hp /3.7kw, 415v, ac, 3 phase 50hz, in s.s. housing i ncl. bimetallic relay with single phase preventer, dry run protection, water level sensor, low/high voltage protection, high current protection, necessary ryb indicators similar to type (dol):3tw72911a.74 of siem ens make. relay range 6.5 a-13.5 a, coil voltage: 415v, 50hz conforms to is:13947-4-1 or latest. makes: s iemens, c&s, abb, cg, bch, l&t or equivalent suitable for 5hp submersible pump. [ warranty period: 30 months after the date of delivery ] ]