22
M-PRO 20/30/40 STANDARD INVERSE Long Time Protection
0.01
0.1
1
10
100
1000
110100
CURRENT IN MULTIPLES OF Ir
TIME TO TRIP IN SECOND
Ir = 0.4 to 1.0 x In
Note: ITSC curve is alw ays
10 X the set LT curve
ITSC curve 16
LT curve 1
LT curve 1 6
Min/max s ett ings
show n in BOLD
1s
Inst
1.5 In 12 In
M-PRO 20/30/40 VERY INVERSE Long Time Protection
0.01
0.1
1
10
100
1000
10000
110100
CURRENT IN MULTIPLES OF Ir
TIME TO TRIP IN SECOND
Note: ITSC curve is alw ays
10 X the set LT curve
Ir = 0.4 to 1.0 x In
Min /ma x s ettings
show n in BOLD
LT cur ve 1
ITSC curve 1
LT cur ve 1 6
ITSC curve 16
1.5 In 12 In
1s
Inst