NZMN3-4-A320-AVE

MCCB NZM3 4pole 320A 50kA withdrawable

Trade Price

£2,516.42

Per

1

Unit

EACH

Pack Quantity

1

NZMN3-4-A320-AVE

Information

Eaton Moeller series NZM - Molded Case Circuit Breaker. Circuit-breaker, 4p, 320A, withdrawable unit, N3-4-A320-AVE

Technical Specifications

Product Length/Depth

346 mm

Product Height

260 mm

Product Width

230 mm

Product Weight

12.9 kg

Compliances

RoHS conform

Certifications

IEC/EN 60947

IEC

Voltage rating

690 V - 690 V

Rated impulse withstand voltage (Uimp) at auxiliary contacts

6000 V

Rated impulse withstand voltage (Uimp) at main contacts

8000 V

Current rating of neutral conductor

200% of phase conductor

Rated short-time withstand current (t = 0.3 s)

3.3 kA

Rated short-time withstand current (t = 1 s)

3.3 kA

Amperage Rating

320 A

Instantaneous current setting (Ii) - min

1920 A

Instantaneous current setting (Ii) - max

19200 A

Overload current setting (Ir)

250 A - 320 A

Overload current setting (Ir) - min

250 A

Overload current setting (Ir) - max

320 A

Short delay current setting (Isd) - min

0 A

Short delay current setting (Isd) - max

0 A

Short-circuit release non-delayed setting - min

1920 A

Short-circuit release non-delayed setting - max

3200 A

Rated short-circuit breaking capacity Ics (IEC/EN 60947) at 230 V, 50/60 Hz

85 kA

Rated short-circuit breaking capacity Ics (IEC/EN 60947) at 400/415 V, 50/60 Hz

50 kA

Rated short-circuit breaking capacity Ics (IEC/EN 60947) at 440 V, 50/60 Hz

35 kA

Rated short-circuit breaking capacity Ics (IEC/EN 60947) at 525 V, 50/60 Hz

13 kA

Rated short-circuit breaking capacity Ics (IEC/EN 60947) at 690 V, 50/60 Hz

5 kA

Rated short-circuit making capacity Icm at 240 V, 50/60 Hz

187 kA

Rated short-circuit making capacity Icm at 400/415 V, 50/60 Hz

105 kA

Rated short-circuit making capacity Icm at 440 V, 50/60 Hz

74 kA

Rated short-circuit making capacity Icm at 525 V, 50/60 Hz

53 kA

Rated short-circuit making capacity Icm at 690 V, 50/60 Hz

40 kA

Short-circuit total breaktime

< 10 ms

Electrical connection type of main circuit

Screw connection

Isolation

500 V AC (between auxiliary contacts and main contacts)

300 V AC (between the auxiliary contacts)

Number of operations per hour - max

60

Handle type

Rocker lever

Utilization category

A (IEC/EN 60947-2)

Overvoltage category

III

Pollution degree

3

Lifespan, electrical

3000 operations at 690 V AC-1

2000 operations at 400 V AC-3

5000 operations at 415 V AC-1

2000 operations at 415 V AC-3

2000 operations at 690 V AC-3

5000 operations at 400 V AC-1

Direction of incoming supply

As required

Mounting Method

Withdrawable

Built-in device slide-in technique (withdrawable)

Degree of protection

IP20

IP20 (basic degree of protection, in the operating controls area)

Degree of protection (IP), front side

IP40 (with insulating surround)

IP66 (with door coupling rotary handle)

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, cyclic, to IEC 60068-2-30

Damp heat, constant, to IEC 60068-2-78

Lifespan, mechanical

15000 operations

Document Links

Datasheet