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Specifications

Ratings

Normal voltage
15 kV
25 kV
35 kV
Maximum design voltage
15.5 27 38
BIL, kV
95 125 150
1-minute withstand (60 Hz), switch* and terminators, kV
35 60 70
Continuous current, amps (max.)
600 300 200**
Load switching, A
600 300 200**
Momentary current 10 cycles, A (asym.)
16,000 16,000
16,000
2 sec., A (sym)
10,000
10,000
10,000
3 shot make and latch A (asym.)
16,000
16,000
16,000
* The withstand rating of the switch is higher than that of the connectors (IEEE Std C37.74-2003 standard).
** An alternate two-position OPEN-CLOSE switch is available for 15 kV, 25 kV and 35 kV designs that have a 300 A continuous and load switching rating. This alternate switch meets IEEE Std C37.74-2003 standard requirements.

Fuses

ELSG kV Description MOST rating-kV
8.3

E rated, full-range current-limiting rating:

4, 8, 12, 15, 20, 25, 30, 40, 50, 60, 65, 80, 100 or 125 A

15
15.5

E rated, full-range current-limiting rating:

4, 8, 12, 15, 20, 25, 30, 40, 50, 60, 65, 80 or 100 A

25
23.0

E rated, full-range current-limiting rating:

4, 8, 12, 15, 20, 25, 30, 40, 50, 65, 80 or 100 A

25 and 35
23.0

Equivalent to A.B. Chance fuse

SL54: 50 A

SL90: 90 A

25 and 35

Accessories

  • 1/2" copper ground rod (in lieu of ANSI standard stainless steel ground points)
  • 1" drain valve with 3/8" sampler (in lieu of standard 1" drain plug and 3/8" sampler)
  • Fault indicator provisions, Qty. 6, located in the source or tap compartment sill
    • Source compartment
    • Tap compartment
  • 304L stainless steel construction (in lieu of standard mild steel construction)
  • Spare-fuse storage rack
  • T-Handle