Circuit breaker, ComPacT NSX250B, 25kA/415VAC, 4 poles 4D (neutral fully protected), TMD trip unit 2

Adjustment range short-term delayed short-circuit release

1250 .. 2500 A

Adjustment range undelayed short-circuit release

1250 .. 2500 A

Complete device with protection unit

+

DIN rail (top hat rail) mounting optional

+

Degree of protection (IP)

IP40

Device construction

Built-in device fixed built-in technique

Integrated earth fault protection

-

Motor drive integrated

-

Motor drive optional

+

Number of auxiliary contacts as change-over contact

0

Number of auxiliary contacts as normally closed contact

0

Number of auxiliary contacts as normally open contact

0

Number of poles

4

Overload release current setting

175 .. 250 A

Position of connection for main current circuit

Front side

Power loss

75 W

Rated permanent current Iu

250 A

Rated short-circuit breaking capacity lcu at 400 V, 50 Hz

25 kA

Rated voltage

690 .. 690 V

Suitable for DIN rail (top hat rail) mounting

-

Type of control element

Toggle

Type of electrical connection of main circuit

Screw connection

With integrated under voltage release

-

With switched-off indicator

+

With under voltage release

-