For use at altitudes between 2000 m and 5000 m above sea level. there are the following classifications for the motor
protection switch of the GV2 series:
2000 m => Umax 690V with Ir
3000 m => Umax 550V with 0.96 x Ir
4000 m => Umax 480V with 0.93 x Ir
5000 m => Umax 420V with 0.90 x Ir.
protection switch of the GV2 series:
2000 m => Umax 690V with Ir
3000 m => Umax 550V with 0.96 x Ir
4000 m => Umax 480V with 0.93 x Ir
5000 m => Umax 420V with 0.90 x Ir.