Datasheet
DATASHEET - NZMB1-A50
Circuit-breaker, 3p, 50A
Part no. NZMB1-A50
Catalog No. 259076
EL-Nummer
(Norway)
0004358701
Similar to illustration
Delivery program
Product range Circuit-breaker
Protective function System and cable protection
Standard/Approval IEC
Installation type Fixed
Release system Thermomagnetic release
Construction size NZM1
Number of poles 3 pole
Standard equipment Box terminal
Switching capacity
400/415 V 50 Hz I
cu
kA 25
Rated current = rated uninterrupted current
Rated current = rated uninterrupted current I
n
= I
u
A 50
Setting range
Overload trip
I
r
A 40 - 50
Short-circuit releases
Non-delayed I
i
= I
n
x … 6 - 10
Short-circuit releases I
rm
A 300 - 500
Technical data
General
Standards IEC/EN 60947
Protection against direct contact Finger and back of hand proof to VDE 0106 Part 100
Climatic proofing Damp heat, constant, to IEC 60068-2-78
Damp heat, cyclic, to IEC 60068-2-30
Ambient temperature
Ambient temperature, storage °C - 40 - + 70
Operation °C -25 - +70
Mechanical shock resistance (10 ms half-sinusoidal shock) according to IEC
60068-2-27
g 20 (half-sinusoidal shock 20 ms)
Safe isolation to EN 61140
Between auxiliary contacts and main contacts V AC 500
between the auxiliary contacts V AC 300
Mounting position Vertical and 90° in all directions
06/16/2021 Eaton 259076 ED2021 V80.0 EN 1 / 9









