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
|
| 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 |
| Model Code |
NZMB1-4-A20
|
| Application |
Use in unearthed supply systems at 440 V
|
| Type |
Circuit breaker
|
| Circuit breaker frame type |
NZM1
|
| Number of poles |
Four-pole
|
| Amperage Rating |
20 A
|
| Release system |
Thermomagnetic release
|
| Features |
Protection unit
|
| Special features |
|
| Used with |
Enclosure 100 x 600 x 1000 mm
|
| 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
|
| Mounting Method |
Built-in device fixed built-in technique
Fixed DIN rail (top hat rail) mounting optional |
| 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 |
| Special features |
|
| Lifespan, mechanical |
20000 operations
|
| Standard terminals |
Box terminal
|
| Optional terminals |
Connection on rear. Screw terminal. Tunnel terminal
|
| Terminal capacity (control cable) |
0.75 mm² - 2.5 mm² (1x)
0.75 mm² - 1.5 mm² (2x) |
| Terminal capacity (aluminum solid conductor/cable) |
10 mm² - 16 mm² (2x) direct at switch rear-side connection
16 mm² (1x) at tunnel terminal 10 mm² - 16 mm² (1x) direct at switch rear-side connection |
| Terminal capacity (aluminum stranded conductor/cable) |
25 mm² - 35 mm² (1x) direct at switch rear-side connection
25 mm² - 35 mm² (2x) direct at switch rear-side connection 25 mm² - 95 mm² (1x) at tunnel terminal |
| Terminal capacity (copper busbar) |
M6 at rear-side screw connection
Min. 12 mm x 5 mm direct at switch rear-side connection Max. 16 mm x 5 mm direct at switch rear-side connection |
| Terminal capacity (copper solid conductor/cable) |
6 mm² - 16 mm² (1x) direct at switch rear-side connection
6 mm² - 16 mm² (1x) at box terminal 16 mm² (1x) at tunnel terminal 4 mm² - 16 mm² (2x) at box terminal 4 mm² - 16 mm² (2x) direct at switch rear-side connection |
| Terminal capacity (copper stranded conductor/cable) |
25 mm² - 95 mm² (1x) at 1-hole tunnel terminal
6 mm² - 70 mm² (1x) direct at switch rear-side connection 6 mm² - 70 mm² (1x) at box terminal 4 mm² - 25 mm² (2x) direct at switch rear-side connection 4 mm² - 25 mm² (2x) at box terminal |
| Terminal capacity (copper strip) |
Min. 2 segments of 9 mm x 0.8 mm at box terminal
Max. 9 segments of 9 mm x 0.8 mm at box terminal |
| Rated operational current for specified heat dissipation (In) |
20 A
|
| Equipment heat dissipation, current-dependent |
9.82 W
|
| Ambient operating temperature - min |
-25 °C
|
| Ambient operating temperature - max |
70 °C
|
| Ambient storage temperature - min |
40 °C
|
| Ambient storage temperature - max |
70 °C
|
| 10.2.2 Corrosion resistance |
Meets the product standard's requirements.
|
| 10.2.3.1 Verification of thermal stability of enclosures |
Meets the product standard's requirements.
|
| 10.2.3.2 Verification of resistance of insulating materials to normal heat |
Meets the product standard's requirements.
|
| 10.2.3.3 Resist. of insul. mat. to abnormal heat/fire by internal elect. effects |
Meets the product standard's requirements.
|
| 10.2.4 Resistance to ultra-violet (UV) radiation |
Meets the product standard's requirements.
|
| 10.2.5 Lifting |
Does not apply, since the entire switchgear needs to be evaluated.
|
| 10.2.6 Mechanical impact |
Does not apply, since the entire switchgear needs to be evaluated.
|
| 10.2.7 Inscriptions |
Meets the product standard's requirements.
|
| 10.3 Degree of protection of assemblies |
Does not apply, since the entire switchgear needs to be evaluated.
|
| 10.4 Clearances and creepage distances |
Meets the product standard's requirements.
|
| 10.5 Protection against electric shock |
Does not apply, since the entire switchgear needs to be evaluated.
|
| 10.6 Incorporation of switching devices and components |
Does not apply, since the entire switchgear needs to be evaluated.
|
| 10.7 Internal electrical circuits and connections |
Is the panel builder's responsibility.
|
| 10.8 Connections for external conductors |
Is the panel builder's responsibility.
|
| 10.9.2 Power-frequency electric strength |
Is the panel builder's responsibility.
|
| 10.9.3 Impulse withstand voltage |
Is the panel builder's responsibility.
|
| 10.9.4 Testing of enclosures made of insulating material |
Is the panel builder's responsibility.
|
| 10.10 Temperature rise |
The panel builder is responsible for the temperature rise calculation. Eaton will provide heat dissipation data for the devices.
|
| 10.11 Short-circuit rating |
Is the panel builder's responsibility. The specifications for the switchgear must be observed.
|
| 10.12 Electromagnetic compatibility |
Is the panel builder's responsibility. The specifications for the switchgear must be observed.
|
| 10.13 Mechanical function |
The device meets the requirements, provided the information in the instruction leaflet (IL) is observed.
|
| Functions |
System and cable protection
|
Sūtīt e-pastu
MyEatonBUJ
Produkta specifikācijas
