Technical Information
| Item condition |
New |
| Manufacture name |
NZMN3-MX450 NZM3 PXR20 circuit breaker, 450A, 3p, screw terminal |
| Brand |
EATON
|
| Categories |
Motor protection circuit-breakers
|
| Country of origin |
RO |
| Harmonized System Code |
8536 2090 00
|
| Rated permanent current Iu |
450 A |
| Number of poles |
3 |
| Rated operating voltage |
690 V |
| Overload release current setting |
180-450 A |
| Degree of protection (IP) |
IP20 |
| Rated short-circuit breaking capacity lcu at 400 V, AC |
35 kA |
| Adjustment range undelayed short-circuit release |
2-12 A |
Packing details
| Packing level 1 |
4015081921195 |
Other Technical data
| Width |
140 mm |
| Height |
275 mm |
| Depth |
166 mm |
| Rated operation power at AC-3, 400 V |
250 kW |
| With integrated auxiliary switch |
No |
| With integrated under voltage release |
No |
| With thermal protection |
Yes |
| Type of electrical connection of main circuit |
Screw connection |
| Type of control element |
Rocker lever |
| Switch off technique |
Electronic |
| Rated operation power at AC-3, 230 V |
132 kW |
| Phase failure sensitive |
Yes |
| Device construction |
Built-in device fixed built-in technique |
Description
The xEffect NZM...-MX circuit breaker range with power expert release (PXR) electronic triggering system covers use cases for motor protection with only four compact sizes and is suitable for the IEC market. Test function and settings via micro USB port directly on the switch. Modular function groups always make mounting flexible and may be supplemented by the comprehensive range of accessories. R.m.s. value measurement and thermal memory