Complementary
[Ui] rated insulation voltage	800 V AC 50/60 Hz
[Uimp] rated impulse withstand voltage	8 kV
[Ics] rated service 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	17.6 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); So : for short time short-circuit protection; I : for instantaneous short-circuit protection; G : for ground fault protection
Trip unit rating	150 A at 65 °C
Motor tripping class	10; 30; 5; 20
Complementary motor protection	Protracted starting time; Stalled rotor; Underload; Phase unbalance
Long-time pick-up adjustment type Ir (thermal protection)	Adjustable 9 settings
[Ir] long-time protection pick-up adjustment range	70...150 A
Long-time protection delay adjustment type tr	Adjustable
[tr] long-time delay adjustment range	120 s at 1.5 x Ir for trip class 5; 6.5 s at 6 x Ir for trip class 5; 5 s at 7.2 x Ir for trip class 5; 240 s at 1.5 x Ir for trip class 10; 13.5 s at 6 x Ir for trip class 10; 10 s at 7.2 x Ir for trip class 10; 480 s at 1.5 x Ir for trip class 20; 26 s at 6 x Ir for trip class 20; 20 s at 7.2 x Ir for trip class 20; 720 s at 1.5 x Ir for trip class 30; 38 s at 6 x Ir for trip class 30; 30 s at 7.2 x Ir for trip class 30
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	5...13 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	2250 A
Ground-fault protection pick-up adjustment type Ig	Adjustable 9 settings
[Ig] ground-fault pick-up adjustment range	0.6...1 x In for In = 25 A; 0.3...1 x In for In = 50 A; 0.2...1 x In for In > 50 A; Ig enable on/off
Ground-fault protection time delay adjustment type tg	Adjustable 5 settings
[tg] Ground-fault time delay adjustment range	0…0.4 s
Earth-leakage protection	Without
Zone selective interlocking ZSI	With
Number of slots	5 slot(s)
Local signalling	Flashing LED (green) for ready to operate; LED 95 % Ith (red) for temperature over set point
Display type	LCD display
Type of measurement	Energy meter
Communication of data	Demand current and power; Phase sequence; Power quality; Maintenance indicators; Energy metering; Protection and alarm settings; Maximeters/minimeters; Time-stamped histories and event tables; Instantaneous and demand values; Thermal image function
Width (W)	105 mm
Height (H)	161 mm
Depth (D)	86 mm
Net weight	2.4 kg
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	-40…85 °C
Relative humidity	0…95 %
Operating altitude	0...2000 m without derating; 2000 m...5000 m with derating
Main
Range	ComPacT
Product name	ComPacT NSX
Device short name	NSX250HB2
Product or component type	Circuit breaker
Device application	Motor protection
Poles description	3P
Protected poles description	3D
[In] rated current	150 A at 65 °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
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
Breaking capacity code	HB2 100 kA 690 V AC
Trip unit name	MicroLogic 6.2 E-M
Trip unit technology	Electronic
Trip unit protection functions	LSIG
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	14.000 cm
Package 1 Width	11.000 cm
Package 1 Length	20.000 cm
Package 1 Weight	2.120 kg
Unit Type of Package 2	S03
Number of Units in Package 2	4
Package 2 Height	30.000 cm
Package 2 Width	30.000 cm
Package 2 Length	40.000 cm
Package 2 Weight	8.900 kg
Unit Type of Package 3	P12
Number of Units in Package 3	32
Package 3 Height	45.000 cm
Package 3 Width	80.000 cm
Package 3 Length	120.000 cm
Package 3 Weight	83.200 kg

This ComPacT NSX250HB2 is a complete fixed 3P 3d circuit breaker designed to optimize space and breaking capacity. It is an optimal choice for motor protection applications. The breaking capacity (Icu) is 100 kA rms at 500 VAC 50/60 Hz and 100 kA rms at 690 VAC 50/60 Hz. The operating voltage is 690 VAC 50/60 Hz. This product features a MicroLogic 6.2 EM electronic trip unit with a rating of 150 A and adjustable earth fault protection (with OFF position). The MicroLogic 6.2 EM trip unit offers adjustable long and short time protection functions and fixed instantaneous protection. MicroLogic 6.2 EM has an integrated display for fine adjustment and display of the energy meter. This 3-pole version (105 mm x 161 mm x 86 mm) comes with a wide range of optional features and accessories. It is compliant with international standards (IEC 60947), CCC, EAC and marine specifications. ComPacT NSX250HB2 is part of Schneider Electric's EcoStruxure Power architecture.