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GV2, GV3, and GV7 Manual Motor Starters, Controllers, and Protectors
Specifications and Operating Curves
16
6/2010
Table 14: Current Limitation on Short Circuit
For GV2M and GV2P
3Ø, 400/415 V
Dynamic stress
1 peak = f (prospective Isc) at 1.05 Ue = 435 V
1. I peak maximum 7. 4–6.3 A
2. 20–25 A 8. 2.5–4 A
3. 17–23 A 9. 1.6–2.5 A
4. 13–18 A 10. 1–1.6 A
5. 9–14 A 11. Limit of rated ultimate breaking capacity on short circuit of
GV2M (14, 18, 23, and 25 A ratings)
6. 6–10 A
Maximum peak current (A)
1
5
4
3
2
6
7
8
9
10
100,000
10,000
1000
100
100 1000 10,000 100,000
cos
ϕ = 0.95
= 0.9
= 0.8
= 0.7
= 0.5
= 0.3
= 0.25
15,000 (11)
Prospective Isc (A)