Specifications

A.18
Technical overview
A
GE Power Controls
Time to trip in seconds (s)
Current I (x Ir, the sensor rating)
Trip Curves
M-PRO 20/30/40
LT set at 1 x ACB rating, In
LTD set at 0.2 s
ST set at 1.5 Ir
STD set at Inst
Type S: Instantaneous release at 50kA
LT set at 1 x ACB rating, In
LTD set at 30 s
SC set at 6 x Ir
SCD = 3 s
ST set at 12 x Ir
STD set at 1 s
Type H: Instantaneous release at 80kA
LTD has 16 available settings
0.25...35 seconds at 7.2 x Ir
Indicated: 0.2 and 30 seconds
SC has 8 available settings
1.5, 2, 3, 4, 6, 8, 10, 12 x Ir
Indicated: 6 x Ir
SCD is fixed at 10 x the
configured LT curve
Indicated: 3 seconds
Instantaneous release:
Type S 50kA
Type N 65kA
Type H 80kA
Indicated: S and H
ST has 8 available settings
1.5, 2, 3, 4, 6, 8, 10, 12 x Ir
Indicated: 1.5 x Ir and 12 x Ir
STD adjustable:
Inst to 1.0 s in 0.1 steps
Indicated: Inst and 1 s