Range

ComPact

Product name

ComPact NS

Range of product

ComPact NS630b...1600

Device short name

Compact NS1250N

Product or component type

Circuit breaker

Device application

Distribution

Number of poles

4P

Protected poles description

4D

Neutral position

Left

(In) rated current up to 65 °C

1250 A at 50 °C

[Ue] rated operational voltage

690 V AC 50/60 Hz

Network type

AC

Network frequency

50/60 Hz

Suitability for isolation

Yes conforming to EN/IEC 60947-2

utilisation category

Category B

[Icu] rated ultimate short-circuit breaking capacity

30 kA Icu at 660/690 V AC 50/60 Hz conforming to IEC 60947-2 50 kA Icu at 380/415 V AC 50/60 Hz conforming to IEC 60947-2 50 kA Icu at 440 V AC 50/60 Hz conforming to IEC 60947-2 85 kA Icu at 220/240 V AC 50/60 Hz conforming to IEC 60947-2 40 kA Icu at 500/525 V AC 50/60 Hz conforming to IEC 60947-2

Performance level

N 50 kA 415 V AC

Trip unit name

MicroLogic 5.0

Trip unit technology

Electronic

Trip unit protection functions

LSI

Control type

Toggle Rotary handle

Circuit breaker mounting mode

Fixed

[Ui] rated insulation voltage

800 V AC 50/60 Hz conforming to IEC 60947-2

[Uimp] rated impulse withstand voltage

8 kV conforming to IEC 60947-2

[Ics] rated service short-circuit breaking capacity

30 kA at 660/690 V AC 50/60 Hz conforming to IEC 60947-2 40 kA at 500/525 V AC 50/60 Hz conforming to IEC 60947-2 50 kA at 220/240 V AC 50/60 Hz conforming to IEC 60947-2 50 kA at 380/415 V AC 50/60 Hz conforming to IEC 60947-2 50 kA at 440 V AC 50/60 Hz conforming to IEC 60947-2

[Icw] rated short-time withstand current

19.2 kA 1 s conforming to IEC 60947-2

Mechanical durability

10000 cycles

Electrical durability

2000 cycles at 690 V In 3000 cycles at 690 V In/2 4000 cycles at 440 V In 5000 cycles at 440 V In/2

Power losses

44 W

mounting support

Backplate

Upside connection

Front

downside connection

Front

Connection pitch

70 mm

Protection type

L : for overload protection (long time) S : for short time short-circuit protection I : for instantaneous short-circuit protection

Trip unit rating

1250 A at 50 °C

Long-time pick-up adjustment type Ir (thermal protection)

Adjustable 9 settings

[Ir] long-time protection pick-up adjustment range

0.4...1 x In

Long-time protection delay adjustment type tr

Adjustable 9 settings

[tr] long-time protection delay adjustment range

12.5…600 s at 1.5 x Ir 0.5…24 s at 6 x Ir 0.7…16.6 s at 7.2 x Ir

Thermal memory

20 mn

Short-time protection pick-up adjustment type Isd

Adjustable 9 settings

[Isd] Short-time protection pick-up adjustment range

1.5...10 x Ir

Short-time protection delay adjustment type tsd

Adjustable

[tsd] Short-time protection delay adjustment range

0.1…0.4 s I²t=on 0…0.4 s I²t=off

Instantaneous protection pick-up adjustment type Ii

Adjustable

[Ii] instantaneous protection pick-up adjustment range

Off 2...15 x In

earth-leakage protection

Without

Neutral protection settings

No protection (3D) 0.5 x Ir (3D + N/2) 1 x Ir (4D)

Zone selective interlocking ZSI

Without

Auxiliary contact composition

1 NO/NC

Local signalling

4 LEDs (red) for fault indication 1 LED (yellow) for overload

Width (W)

280 mm

Height (H)

327 mm

Depth (D)

147 mm

Net weight

18 kg

standards

EN/IEC 60947-2

product certifications

ASEFA ASTA

Pollution degree

3 conforming to IEC 60947

IP degree of protection

IP40 conforming to IEC 60529

IK degree of protection

IK07 conforming to EN 50102

Ambient air temperature for operation

-25…70 °C

Ambient air temperature for storage

-50…85 °C

Relative humidity

0…95 %

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

30.000 cm

Package 1 Width

40.000 cm

Package 1 Length

60.000 cm

Package 1 Weight

17.045 kg

Warranty

18 months