Complementary
Control type	Push-button
Mounting mode	Drawout
Mounting support	Chassis
Operating rate	10 cyc/h maximum
[Icw] rated short-time withstand current	65 kA during 1 s conforming to IEC 60947-3; 36 kA during 3 s conforming to IEC 60947-3
Mechanical durability	10000 cycles without maintenance conforming to IEC 60947-3; 20000 cycles with maintenance conforming to IEC 60947-3
Electrical durability	AC-3: 6000 cycles 440/690 V AC 50/60 Hz without maintenance conforming to IEC 60947-3; AC-23A: 6000 cycles 690 V AC 50/60 Hz without maintenance conforming to IEC 60947-3; AC-23A: 8000 cycles 440 V AC 50/60 Hz without maintenance conforming to IEC 60947-3
Connection pitch	115 mm
Height	352 mm
Width	442 mm
Depth	297 mm
Net weight	60 kg
Contractual warranty
Warranty (in months)	18
Environment
Standards	IEC 60947-3
Product certifications	ASTA; ASEFA
Ambient air temperature for operation	-25…70 °C
Ambient air temperature for storage	-35…85 °C
Logistical informations
Country of origin	FR
Main
Range	MasterPacT
Product name	MasterPact NW
Product or component type	Switch disconnector
Device short name	MasterPact NW20
Switch-disconnector name	MasterPact NW20HA
Device application	Protection
Poles description	3P
Network type	AC
Network frequency	50/60 Hz
[Ie] rated operational current	2000 A AC 50/60 Hz 690 V
[Ui] rated insulation voltage	1000 V AC 50/60 Hz conforming to IEC 60947-3
[Uimp] rated impulse withstand voltage	12 kV conforming to IEC 60947-3
[Icm] rated short-circuit making capacity	143 kA 220...690 V AC at 50/60 Hz
[Ue] rated operational voltage	690 V AC 50/60 Hz conforming to IEC 60947-3
Breaking capacity code	HA
Suitability for isolation	Yes conforming to IEC 60947-3
Pollution degree	4 conforming to IEC 60664-1
Contact position indicator
Visible break
Packing Units
Unit Type of Package 1	PCE
Number of Units in Package 1	1
Package 1 Height	30.5 cm
Package 1 Width	29.5 cm
Package 1 Length	37.5 cm
Package 1 Weight	48.434 kg

MasterPact NT and NW is the proven generation of air circuit breakers up to 6300 A, which incorporate the latest technologies. The MasterPact NT and NW consists of 3 sizes, NT from 630 to 1600A, NW from 800 to 4000A and NWb from 4000 to 6300A. It can be configured as a fixed installation or withdrawable device, or as a circuit breaker or load breaker. The integrable MicroLogic protection and tripping device can be equipped with a wide range of functions and accessories. MasterPact NW 2000A HA Icm air circuit breaker is 145kA at 690V 3-pole load breaker withdrawable device without Micrologic The Masterpact can be ordered via the online configurator.