Product Length/Depth

166 mm

Product Height

275 mm

Product Width

185 mm

Product Weight

8.964 kg

Compliances

RoHS conform

Certifications

IEC

IEC/EN 60947

Application

Use in unearthed supply systems at 690 V

Type

Circuit breaker

Circuit breaker frame type

NZM3

Number of poles

Four-pole

Release system

Electronic release

Features

Motor drive optional

Protection unit

Special features

Maximum back-up fuse, if the expected short-circuit currents at the installation location exceed the switching capacity of the circuit breaker (Rated short-circuit breaking capacity Icn)

R.m.s. value measurement and “thermal memory”

Adjustable time delay setting to overcome current peaks tr at 6 x Ir also infinity (without overload releases)

Adjustable delay time tsd

i²t constant function: switchable

Rated current = rated uninterrupted current: 400 A

Terminal capacity hint: Up to 240 mm² can be connected depending on the cable manufacturer.

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

400 A

Instantaneous current setting (Ii) - min

800 A

Instantaneous current setting (Ii) - max

4400 A

Overload current setting (Ir)

200 A - 400 A

Overload current setting (Ir) - min

200 A

Overload current setting (Ir) - max

400 A

Short delay current setting (Isd) - min

400 A

Short delay current setting (Isd) - max

4000 A

Short-circuit release delayed setting - min

400 A

Short-circuit release delayed setting - max

4000 A

Short-circuit release non-delayed setting - min

800 A

Short-circuit release non-delayed setting - max

4400 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

300 V AC (between the auxiliary contacts)

500 V AC (between auxiliary contacts and main 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

5000 operations at 400 V AC-1

5000 operations at 415 V AC-1

2000 operations at 400 V AC-3

2000 operations at 415 V AC-3

3000 operations at 690 V AC-1

2000 operations at 690 V AC-3

Direction of incoming supply

As required

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

Mounting Method

Built-in device fixed built-in technique

Fixed

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)

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, constant, to IEC 60068-2-78

Damp heat, cyclic, to IEC 60068-2-30

Lifespan, mechanical

15000 operations