Range

I-Line

Range of product

ComPacT NSX100...250 new generation

Device short name

NSX250F

Product or component type

Circuit breaker

Device application

Distribution

Number of poles

3P

[In] rated current

250 A at 40 °C

[Ue] rated operational voltage

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

Suitability for isolation

Yes conforming to EN/IEC 60947-2

utilisation category

Category A

[Icu] rated ultimate short-circuit breaking capacity

36 kA Icu at 415 V AC 50/60 Hz conforming to EN 60947-2

Performance level

F

Trip unit name

MicroLogic 2.2

Trip unit technology

Electronic

Trip unit protection functions

LSoI

Control type

Toggle

Mounting location

I-Line

[Ui] rated insulation voltage

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

[Uimp] rated impulse withstand voltage

8 kV conforming to EN/IEC 60947-2

[Ics] rated service short-circuit breaking capacity

36 kA at 415 V AC 50/60 Hz conforming to EN/IEC 60947-2

Mechanical durability

20000 cycles

Electrical durability

20000 cycles at 440 V In/2 10000 cycles at 440 V In 10000 cycles at 690 V In/2 5000 cycles at 690 V In

Protection type

L : for overload protection (long time) So : for short time short-circuit protection with fixed delay I : for instantaneous short-circuit protection

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

Adjustable

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

100...250 A

Long-time protection delay adjustment type tr

Fixed

[tr] long-time protection delay adjustment range

400 s at 1.5 x Ir 16 s at 6 x Ir 11 s at 7.2 x Ir

Thermal memory

20 minutes before and after tripping

Short-time protection pick-up adjustment type Isd

Adjustable

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

1.5...10 x Ir

Short-time protection delay adjustment type tsd

Fixed

Instantaneous protection pick-up adjustment type Ii

Fixed

[Ii] instantaneous protection pick-up adjustment range

3000 A

Local signalling

Flashing LED (green) for ready to operate LED 105 % Ir (red) for overload LED 90 % Ir (orange) for overload

Width (W)

105 mm

Height (H)

161 mm

Depth (D)

86 mm

Net weight

2.4 kg

Colour

Grey

standards

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

Pollution degree

3 conforming to IEC 60664-1

IP degree of protection

IP40 conforming to IEC 60529

IK degree of protection

IK07 conforming to IEC 62262

Ambient air temperature for operation

-25…70 °C

Ambient air temperature for storage

-50…85 °C

Relative humidity

95 %

Operating altitude

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

Unit Type of Package 1

PCE

Number of Units in Package 1

1

Package 1 Height

17.500 cm

Package 1 Width

27.000 cm

Package 1 Length

12.000 cm

Package 1 Weight

2.755 kg

Warranty

18 months