ABB SF6 LTB 245E1 BLG 1002A - Operating values

Assembly Instructions Operating values
1HSB435410-2 enrev1 37
8. Operating values
The operating values in these instructions apply to SF
6
circuit-breakers type
LTB 245E1 3-pole operation with operating mechanism type BLG 1002A.
8.1 Times
8.2 Motor and control circuits
8.3 Resistance
Main circuit resistance per pole max 49 µΩ.
8.4 Contact stroke
Main contact stroke is 160 ±3 mm.
Closing times < 55 ms
Opening time coil I 17 ± 2 ms
Opening time coil II 17 ± 2 ms
Close-Open time max 45 ms
Charging time for motor max 20 s
Operating voltage opening
coil I
V (according to
the rating plate)
Operating voltage opening
coil II
V (according to
the rating plate)
Operating voltage closing
coils I and II
V (according to
the rating plate)