Range

ComPacT new generation

Product name

ComPacT NSX new generation

Device short name

NSX250HB2

Product or component type

Circuit breaker

Device application

Distribution

Poles description

3P

Protected poles description

3D

[In] rated current

160 A at 40 °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 A

[Icu] rated ultimate short-circuit breaking capacity

100 kA Icu at 500 V AC 50/60 Hz conforming to IEC 60947-2 100 kA Icu at 525 V AC 50/60 Hz conforming to IEC 60947-2 100 kA Icu at 660/690 V AC 50/60 Hz conforming to IEC 60947-2

Performance level

HB2 100 kA 690 V AC

Trip unit name

MicroLogic 5.2 E

Trip unit technology

Electronic

Trip unit protection functions

LSI

Control type

Toggle

Circuit breaker mounting mode

Fixed

[Ui] rated insulation voltage

800 V AC 50/60 Hz

[Uimp] rated impulse withstand voltage

8 kV

[Ics] rated service short-circuit breaking capacity

100 kA at 500 V AC 50/60 Hz conforming to IEC 60947-2 100 kA at 525 V AC 50/60 Hz conforming to IEC 60947-2 100 kA at 660/690 V AC 50/60 Hz conforming to 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

Power dissipation per pole

7.17 W

mounting support

Backplate

Mounting position

Horizontal and vertical Flat on the back

Upside connection

Front

downside connection

Front

Connection pitch

35 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

160 A at 40 °C

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

Adjustable 9 settings

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

63...160 A

Long-time protection delay adjustment type tr

Adjustable

[tr] long-time protection delay adjustment range

15…400 s at 1.5 x Ir 0.5…16 s at 6 x Ir 0.35…11 s at 7.2 x Ir

Thermal memory

20 minutes before and after tripping

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 5 settings

[tsd] Short-time protection delay adjustment range

0…0.4 s I²t=off 0.1…0.4 s I²t=on

Instantaneous protection pick-up adjustment type Ii

Adjustable

[Ii] instantaneous protection pick-up adjustment range

1.5...15 x In

earth-leakage protection

Without

Zone selective interlocking ZSI

With

Number of slots for electrical auxiliaries

5 slot(s)

Local signalling

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

Display type

LCD display

Type of measurement

Energy meter

communication of data

Time-stamped histories and event tables Instantaneous and demand values Maintenance indicators Power quality Demand current and power Protection and alarm settings Energy metering Maximeters/minimeters

Width (W)

105 mm

Height (H)

161 mm

Depth (D)

86 mm

Net weight

2.4 kg

standards

EN/IEC 60947

product certifications

CCC Marine EAC

Overvoltage category

Class II

Electrical shock protection class

Class II

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

-40…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

12.0 cm

Package 1 Width

14.0 cm

Package 1 Length

19.0 cm

Package 1 Weight

2.065 kg

Unit Type of Package 2

S03

Number of Units in Package 2

4

Package 2 Height

30.0 cm

Package 2 Width

30.0 cm

Package 2 Length

40.0 cm

Package 2 Weight

8.26 kg

Warranty

18 months