supply of spares of field switch 6 . 6kva make electrotechnica , item description , shunt trip coil , part no . v0021 , castle lock with key , part no . v0053 , support insulator , part no . v0031 , push to trip assembly , part no . v0042 , auxillary switch assembly , part no . v0024 , breaker charging handle , part no . v0030 , operating mechanism , part no . om009 , 6 . 6kv plug and socket assembly , part no . p0064 , p0065 &p0066 , surge suprressor , part no . p0054 , potential transformer 6 . 6kv/110v single core 200va//phase , part no . p0056b , 6 . 6kv current transformer 150/5a & 5p10 , part no . p0055c , 6 . 6kv current transformer 50/5a & 5p10 , part no . p0055c , indicating lamp , part no . p0043 , voltmeter , part no . p0080 , ammeter , part no . p0079 , earth leakage relay , part no . p0053 , earth leakage relay with cbct , part no . p0049 , rectifier capacitor unit , part no . p0048b , over voltage relay , part no . p0083 , under voltage relay , part no . p0082 , motor protection relay , part no . p0050d , over current relay , part no . p0050c , elr test/reset switch , part no . p0047 , fibre glass barrier set , part no . i0036 , isolator moving contact , part no . i0031 , isolator fixed contact , part no . i0032 , auxillary contactor , part no . p0061 , vacuum interrupter , part no . v0048