Eaton Moeller series NZM - Molded Case Circuit Breaker. Circuit-breaker, 4p, 20A, B, frame 1, 4-A20
| Product Name |
Eaton Moeller series NZM molded case circuit breaker thermo-magnetic
|
| Catalog Number |
281237
|
| Model Code |
NZMB1-4-A20
|
| EAN |
4015082812379
|
| Product Length/Depth |
84.5 mm
|
| Product Height |
145 mm
|
| Product Width |
120 mm
|
| Product Weight |
1.334 kg
|
| Compliances |
RoHS conform
|
| Certifications |
IEC/EN 60947
IEC |
| Voltage rating |
440 V - 440 V
|
| Rated impulse withstand voltage (Uimp) at auxiliary contacts |
6000 V
|
| Rated impulse withstand voltage (Uimp) at main contacts |
6000 V
|
| Current rating of neutral conductor |
200% of phase conductor
|
| Amperage Rating |
20 A
|
| Instantaneous current setting (Ii) - min |
350 A
|
| Instantaneous current setting (Ii) - max |
350 A
|
| Overload current setting (Ir) |
15 A - 20 A
|
| Overload current setting (Ir) - min |
15 A
|
| Overload current setting (Ir) - max |
20 A
|
| Short-circuit release non-delayed setting - min |
350 A
|
| Short-circuit release non-delayed setting - max |
350 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
|
| Electrical connection type of main circuit |
Frame clamp
|
| Isolation |
500 V AC (between auxiliary contacts and main contacts)
300 V AC (between the auxiliary 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
7500 operations at 415 V AC-1 |
| Direction of incoming supply |
As required
|
| Rated impulse withstand voltage (Uimp) at auxiliary contacts |
6000 V
|
| Rated impulse withstand voltage (Uimp) at main contacts |
6000 V
|
| Current rating of neutral conductor |
200% of phase conductor
|
| Amperage Rating |
20 A
|
| Instantaneous current setting (Ii) - min |
350 A
|
| Instantaneous current setting (Ii) - max |
350 A
|
| Overload current setting (Ir) |
15 A - 20 A
|
| Overload current setting (Ir) - min |
15 A
|
| Overload current setting (Ir) - max |
20 A
|
| Short-circuit release non-delayed setting - min |
350 A
|
| Short-circuit release non-delayed setting - max |
350 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
|
| Electrical connection type of main circuit |
Frame clamp
|
| Isolation |
500 V AC (between auxiliary contacts and main contacts)
300 V AC (between the auxiliary 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
7500 operations at 415 V AC-1 |
| Direction of incoming supply |
As required
|
| Mounting Method |
Built-in device fixed built-in technique
Fixed DIN rail (top hat rail) mounting optional |
| Degree of protection |
IP20 (basic degree of protection, in the operating controls area)
IP20 |
| Degree of protection (IP), front side |
IP66 (with door coupling rotary handle)
IP40 (with insulating surround) |
| Degree of protection (terminations) |
IP00 (terminations, phase isolator and strip terminal)
IP10 (tunnel 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, constant, to IEC 60068-2-78
Damp heat, cyclic, to IEC 60068-2-30 |
| Lifespan, mechanical |
20000 operations
|
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