Requirement of Main Contact (Male) for 400 KV Isolator
| # |
Item |
Description |
Unit |
Quantity |
| 1 |
Isolator
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MAIN CONTACT (MALE) FOR 400 KV ISOLATOR, TYPE OF CONTACTS : 1)JAW & FIST TYPE SPRING LOADED SLIDE IN CONTACTS(TURN&TWIST) 2) THE CONTACT PRESSURE SPRING DOES NOT CARRY ANY CURRENT. THE CHARACTERISTICS DOES NOT VERY APPRECIABLY DUE TO AMBIENT AND CONDUCTED TEMPERATURE EFFECTS. CONTACT AREA : 1) FINGER CONTACT- 120 MM2/10 NOS. 2) CONTACTS TIP( SPECIAL PROFILE 240 MM2 X 250 LONG/ 4 NOS. 3) CONTACT TIP ( COPPER STRIP) 128 MM2 X250 LONG/ 4 NOS. MATERIAL OF CONTACTS: SILVER PLATED COPPER. CONTACT PRESSURE(KG.MM2)- 9 KG PAIR OF FINGER. MAXIMUM CURRENT DENSITY UNDER NORMAL CURRENT CARRYING CAPACITY A/MM2) – SUFFICIENT TO MAINTAIN TEMP. RISE WITHIN LIMITS OF VALUES SPECIFIED IN IS 9921/IEC 62271- 102. THICKNESS OF SILVER PLATING- 25 MICRONS (MIN) AT CONTACT SURFACE ONLY. HIVELUM MAKE ISOLATOR |
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