Trade Price
£2,516.42
Per
1
Unit
EACH
Pack Quantity
1
Eaton Moeller series NZM - Molded Case Circuit Breaker. Circuit-breaker, 4p, 320A, withdrawable unit, N3-4-A320-AVE
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
Datasheet