NZMB1-A63 MOELLER, NZMB1-A63 Datasheet - Page 7

• Manufacturer Part Number: NZMB1-A63
• Description: CIRCUIT BREAKER, 50-63A, 25KA
• Manufacturer: MOELLER
• Series: NZMBr

Specifications of NZMB1-A63

• No. Of Poles: 3
• Voltage Rating Vac: 440VAC
• Mounting Type: DIN Rail
• Svhc: No SVHC (18-Jun-2010)
• Breaking Capacity Current Ac: 25kA
• Current Rating: 63A
• External Depth: 68mm
• External Length /: RoHS Compliant

Notes
XSV = plug−in unit
XAV = withdrawable unit
TM = thermomagnetic
E = electronic
Dimensions
7
NZM(H)1(2)−A...
Switching of one pole via two series contacts
For NA switch switching capacity with NZM...1−...(C)NA the following applies: 480 Y/277 V from 60
A
For AC−3 rated operational current with NZM4 the following applies: 400 V: max. 650 kW; 690 V:
max. 600 kW
For NA switch switching capacity with NZML2 and NZML3 the following applies: Current Limiting
switch to UL489
For 3−pole system protection circuit−breaker the AC−3 specification is not applicable
For NA switch switching capacity with NZML4 at 240 V 60 Hz the following applies: on request
For current heat loss per pole the specification refers to the maximum nominal current of the frame
size.
For 3−pole system protection circuit−breaker the following
applies: 690 V
For 3−pole system protection circuit−breaker the following applies: 400/415 V 7500 switching
operations
Maximum back−up fuse, if the expected short−circuit currents at the installation location exceed the
switching capacity of the circuit−breaker.
Higher switching capacity on request
1600 A
Switching of one pole via three series
contacts