Range

MasterPacT

Product name

MasterPact NW

circuit breaker name

MasterPact NW12L1

Product or component type

Circuit breaker

Device application

Power distribution protection

Poles description

4P

Neutral position

Left

Control unit

Without control unit

[In] rated current

1250 A at 40 °C

Performance type

L1 150 kA 440 V AC

[Ue] rated operational voltage

690 V AC 50/60 Hz

Suitability for isolation

Yes conforming to EN/IEC 60947-2

Selectivity category

Category B

Control type

Push-button

Mounting mode

Drawout

[Icu] rated ultimate short-circuit breaking capacity

150 kA at 220/415 V AC 50/60 Hz 130 kA at 440 V AC 50/60 Hz 100 kA at 525 V AC 50/60 Hz

[Ics] rated service breaking capacity

150 kA at 220/415 V AC 50/60 Hz 130 kA at 440 V AC 50/60 Hz 100 kA at 525 V AC 50/60 Hz

[Icw] rated short-time withstand current

30 kA 1 s 30 kA 3 s

[Icm] rated short-circuit making capacity

330 kA 220/415 V AC at 50/60 Hz 330 kA 440 V AC at 50/60 Hz 286 kA 525 V AC at 50/60 Hz 220 kA 690 V AC at 50/60 Hz

Integrated instantaneous protection (DIN in kA peak)

72…88 kA

Sensor rating

630 A 1250 A

[Ui] rated insulation voltage

1000 V AC 50/60 Hz

[Uimp] rated impulse withstand voltage

12 kV

Power dissipation in W

230 W

Maximum breaking time

10 ms

maximum closing response time

70 ms

mounting support

Backplate Rails

Upside connection

Front Rear

downside connection

Front Rear

Connection pitch

115 mm

Mechanical durability

12500 cycles without maintenance 25000 cycles with maintenance

Electrical durability

3000 cycles 690 V AC 50/60 Hz without maintenance conforming to EN/IEC 60947-2 3000 cycles 440 V AC 50/60 Hz without maintenance conforming to EN/IEC 60947-2

height

439 mm

Width

556 mm

Depth

395 mm

Net weight

120 kg

standards

EN/IEC 60947-1 EN/IEC 60947-2

product certifications

CE CCC EAC

IP degree of protection

IP30 conforming to IEC 60529

Pollution degree

4 conforming to IEC 60664-1

Ambient air temperature for operation

-25…70 °C

Ambient air temperature for storage

-40…85 °C

Operating altitude

0...2000 m without derating 2000 m...5000 m with derating

Unit Type of Package 1

PCE

Number of Units in Package 1

1

Package 1 Height

33.0 cm

Package 1 Width

52.0 cm

Package 1 Length

30.0 cm

Package 1 Weight

51.182 kg

Warranty

18 months