Complementary
[Ui] rated insulation voltage	800 V AC 50/60 Hz
[Uimp] rated impulse withstand voltage	8 kV
[Ics] rated service short-circuit breaking capacity	50 kA at 220...240 V AC 50/60 Hz conforming to IEC 60947-2; 25 kA at 380...415 V AC 50/60 Hz conforming to IEC 60947-2; 20 kA at 440 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
Power dissipation per pole	5.8 W
Mounting support	Backplate
Mounting position	Horizontal and vertical; Flat on the back
Upside connection	Front
Downside connection	Front
Connection terminals	1 Everlink lug wire size 2.5…95 mm², rigid or stranded aluminium/copper; 1 Everlink lug wire size 2.5…70 mm², flexible copper
Connection pitch	35 mm with spreaders; 27 mm without spreaders
9 mm pitches	12 module
Trip unit rating	80 A at 40 °C
Long-time pick-up adjustment type Ir (thermal protection)	Adjustable
[Ir] long-time protection pick-up adjustment range	0.7...1 x In
Long-time protection delay adjustment type tr	Fixed
Neutral protection settings	1 x Ir (4D)
Instantaneous protection pick-up adjustment type Ii	Fixed
[Ii] instantaneous protection pick-up adjustment range	1000 A
Earth-leakage protection	Without
Number of slots for electrical auxiliaries	1 slot(s) for auxiliary switch OF; 1 slot(s) for alarm switch SD; 1 slot(s) for voltage release MN or MX
Local signalling	Flag (green) for presence of auxiliary contacts
Width (W)	108 mm
Height (H)	137 mm
Depth (D)	80 mm
Net weight	1.42 kg
Colour	Grey (RAL 7016)
Contractual warranty
Warranty (in months)	18
Environment
Standards	EN/IEC 60947-2
Overvoltage category	III
Electrical shock protection class	Class II on front face
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	0…95 %
Operating altitude	2000 m without derating; 5000 m with derating
Logistical informations
Country of origin	PL
Main
Range	ComPacT
Product name	ComPacT NSXm
Device short name	NSXm 160B
Product or component type	Circuit breaker
Device application	Distribution
Poles description	4P
Protected poles description	4D
Neutral position	Left
[In] rated current	80 A at 40 °C
[Ue] rated operational voltage	440 V AC 50/60 Hz
Network type	AC
Network frequency	50/60 Hz
Suitability for isolation	Yes conforming to IEC 60947-2
Utilisation category	Category A
[Icu] rated ultimate short-circuit breaking capacity	50 kA Icu at 220...240 V AC 50/60 Hz conforming to IEC 60947-2; 25 kA Icu at 380...415 V AC 50/60 Hz conforming to IEC 60947-2; 20 kA Icu at 440 V AC 50/60 Hz conforming to IEC 60947-2
Performance level	B 25 kA 415 V AC
Trip unit name	TM-D
Trip unit technology	Thermal-magnetic
Trip unit protection functions	LI
Control type	Toggle
Circuit breaker mounting mode	Fixed
Packing Units
Unit Type of Package 1	PCE
Number of Units in Package 1	1
Package 1 Height	12.0 cm
Package 1 Width	11.5 cm
Package 1 Length	21.0 cm
Package 1 Weight	1.546 kg
Unit Type of Package 2	S03
Number of Units in Package 2	6
Package 2 Height	30.0 cm
Package 2 Width	30.0 cm
Package 2 Length	40.0 cm
Package 2 Weight	9.642 kg

It is a ComPacT NSXm molded case circuit breaker, 80 A, 25 kA at 415 VAC, for all standard LV applications. It offers new features such as Everlink technology, DIN rail and panel mounting capability. It integrates new spring type auxiliary devices that are externally visible. ComPacT NSXm is one of the smallest molded case circuit breakers available on the market, 108 mm (W) x 137 mm (H) x 80 mm (D). It is a 4-pole version with integrated thermo-magnetic tripping device. It ensures compliance with international standards (IEC 60947/CCC/EAC) and marine specifications.