Eaton Moeller series NZM - Molded Case Circuit Breaker. Circuit-breaker, 3p, 50A, B1-A50-NA
| Product Name |
Eaton Moeller series NZM molded case circuit breaker thermo-magnetic
|
| Catalog Number |
272254
|
| EAN |
4015082722548
|
| Product Length/Depth |
88 mm
|
| Product Height |
165.5 mm
|
| Product Width |
90 mm
|
| Product Weight |
1.07 kg
|
| Compliances |
RoHS conform
|
| Certifications |
IEC 60947-2
IEC Specially designed for North America UL 489 IEC/EN 60947 UL (File No. E31593) CSA (File No. 22086) CE marking CSA-C22.2 No. 5-09 UL/CSA CSA (Class No. 1432-01) UL (Category Control Number DIVQ) UL listed CSA certified |
| Model Code |
NZMB1-A50-NA
|
| Application |
|
| Type |
Circuit breaker
|
| Circuit breaker frame type |
NZM1
|
| Number of poles |
Three-pole
|
| Release system |
Thermomagnetic release
|
| Features |
Protection unit
|
| Special features |
|
| Rated operational current |
160 A (380/400 V AC-1, making and breaking capacity)
125 A (415 V AC-1, making and breaking capacity) |
| Amperage Rating |
50 A
|
| Instantaneous current setting (Ii) - min |
300 A
|
| Instantaneous current setting (Ii) - max |
500 A
|
| Overload current setting (Ir) - min |
40 A
|
| Overload current setting (Ir) - max |
50 A
|
| Short-circuit release non-delayed setting - min |
300 A
|
| Short-circuit release non-delayed setting - max |
500 A
|
| Rated short-circuit breaking capacity Ics (IEC/EN 60947) at 230 V, 50/60 Hz |
30 kA
|
| Rated short-circuit breaking capacity Ics (IEC/EN 60947) at 400/415 V, 50/60 Hz |
25 kA
|
| Rated short-circuit breaking capacity Ics (IEC/EN 60947) at 440 V, 50/60 Hz |
18.5 kA
|
| Rated short-circuit making capacity Icm at 240 V, 50/60 Hz |
63 kA
|
| Rated short-circuit making capacity Icm at 400/415 V, 50/60 Hz |
53 kA
|
| Rated short-circuit making capacity Icm at 440 V, 50/60 Hz |
53 kA
|
| Short-circuit total breaktime |
< 10 ms
|
| Low-voltage HBC fuse - max |
200 A gG/gL
|
| Electrical connection type of main circuit |
Frame clamp
|
| Isolation |
300 V AC (between the auxiliary contacts)
500 V AC (between auxiliary contacts and main contacts) |
| Number of operations per hour - max |
120
|
| Handle type |
Rocker lever
|
| Utilization category |
A (IEC/EN 60947-2)
|
| Overvoltage category |
III
|
| Pollution degree |
3
|
| Lifespan, electrical |
7500 operations at 400 V AC-1
|
| Direction of incoming supply |
As required
|
| Voltage rating |
440 V - 440 V
|
| Rated operating voltage Ue (UL) - max |
480 Y / 277 V
|
| Rated impulse withstand voltage (Uimp) at auxiliary contacts |
6000 V
|
| Rated impulse withstand voltage (Uimp) at main contacts |
6000 V
|
| Rated operational current |
160 A (380/400 V AC-1, making and breaking capacity)
125 A (415 V AC-1, making and breaking capacity) |
| Amperage Rating |
50 A
|
| Instantaneous current setting (Ii) - min |
300 A
|
| Instantaneous current setting (Ii) - max |
500 A
|
| Overload current setting (Ir) - min |
40 A
|
| Overload current setting (Ir) - max |
50 A
|
| Short-circuit release non-delayed setting - min |
300 A
|
| Short-circuit release non-delayed setting - max |
500 A
|
| Rated short-circuit breaking capacity Ics (IEC/EN 60947) at 230 V, 50/60 Hz |
30 kA
|
| Rated short-circuit breaking capacity Ics (IEC/EN 60947) at 400/415 V, 50/60 Hz |
25 kA
|
| Rated short-circuit breaking capacity Ics (IEC/EN 60947) at 440 V, 50/60 Hz |
18.5 kA
|
| Rated short-circuit making capacity Icm at 240 V, 50/60 Hz |
63 kA
|
| Rated short-circuit making capacity Icm at 400/415 V, 50/60 Hz |
53 kA
|
| Rated short-circuit making capacity Icm at 440 V, 50/60 Hz |
53 kA
|
| Short-circuit total breaktime |
< 10 ms
|
| Low-voltage HBC fuse - max |
200 A gG/gL
|
| Electrical connection type of main circuit |
Frame clamp
|
| Isolation |
300 V AC (between the auxiliary contacts)
500 V AC (between auxiliary contacts and main contacts) |
| Number of operations per hour - max |
120
|
| Handle type |
Rocker lever
|
| Utilization category |
A (IEC/EN 60947-2)
|
| Overvoltage category |
III
|
| Pollution degree |
3
|
| Lifespan, electrical |
7500 operations at 400 V AC-1
|
| Direction of incoming supply |
As required
|
| Mounting Method |
DIN rail (top hat rail) mounting optional
Fixed Built-in device fixed built-in technique |
| Degree of protection |
IP20 (basic degree of protection, in the operating controls area)
IP20 |
| Degree of protection (IP), front side |
IP40 (with insulating surround)
IP66 (with door coupling rotary handle) |
| Degree of protection (terminations) |
IP10 (tunnel terminal)
IP00 (terminations, phase isolator and strip terminal) |
| Protection against direct contact |
Finger and back-of-hand proof to DIN EN 50274/VDE 0106 part 110
|
| Shock resistance |
20 g (half-sinusoidal shock 20 ms)
|
| Number of auxiliary contacts (change-over contacts) |
0
|
| Number of auxiliary contacts (normally closed contacts) |
0
|
| Number of auxiliary contacts (normally open contacts) |
0
|
| Position of connection for main current circuit |
Front side
|
| Climatic proofing |
Damp heat, cyclic, to IEC 60068-2-30
Damp heat, constant, to IEC 60068-2-78 |
| Lifespan, mechanical |
20000 operations
|
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