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A-41
Magnetic trip units
MA 2.5 to 220
Ratings (A)
In at 65 °C
(1)
2.5 6.3 12.5 25
50
100 150 220
Circuit breaker
Compact NSX100
b
b
b
b
b
b
-
-
Compact NSX160
-
-
-
b
b
b
b
-
Compact NSX250
-
-
-
-
-
b
b
b
Instantaneous magnetic protection
Pick-up (A)
accuracy ±20 %
Im
= In x ...
Ad
j
ustable from 6 to 14 x In
(settings 6, 7, 8, 9, 10, 11, 12, 13, 14)
Ad
j
ustable from 9 to 14 x In
(settings 9, 10, 11, 12, 13,
14)
Time delay (ms)
tm
¿[HG
Micrologic 1.3-M
Ratings (A)
In at 65 °C
(1)
320
500
Circuit breaker
Compact NSX400
b
-
Compact NSX630
b
b
S
Short-time protection
Pick-up (A)
accuracy ±15 %
Isd
Ad
j
ustable directly in amps
9 settings: 1600, 1920, 2440, 2560,
2880, 3200, 3520, 3840, 4160 A
9 settings: 2500, 3000, 3500, 4000,
4500, 5000, 5500, 6000, 6500 A
Time delay (ms)
tsd
Non-ad
j
ustable
Non-tripping time
Maximum break time
20
60
I
Instantaneous protection
Pick-up (A)
accuracy ±15 %
Ii
non-ad
j
ustable
4800
6500
Non-tripping time
Maximum break time
0
30 ms
(1)
Motor standards require operation at 65 °C. Circuit-breaker ratings are derated to take this requirement into account.
559E1500.indd
version: 1.0