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GV2, GV3, and GV7 Manual Motor Starters, Controllers, and Protectors
Specifications and Operating Curves
26
6/2010
Table 28: Thermal Limit on Short Circuit for GV3P
Thermal limit in kA
2
s in the magnetic operating zone
Sum of I
2
dt = f (prospective Isc) at 1.05 Ue = 435 V
GV3ME is not available in the USA.
1. 56–80 A (GV3 ME80) 5. 23–32 A (GV3 P32)
2. 48–65 A (GV3 P65) 6. 17–25 A (GV3 P25)
3. 37–50 A (GV3 P50) 7. 12–18 A (GV3 P18)
4. 30–40 V (GV3 P40) 8. 9–13 A (GV3 P13)
1000
100
1
1
10 15 100
Prospective Isc (kA)
10
Sum of I dt (kA s)
2
2