NH42/SZ Series (PC class) Automatic Transfer Switch

Product category:: Automatic Transfer Switch (ATS)
Product code:: P-665
Model:: NH42/SZ

Function & Use (Application Scenarios)

Switching electrical equipment, automatic transfer switch products are mainly applicable to NH42/SZ automatic transfer switches, suitable for AC 50Hz/60Hz, AC rated voltage 400V, rated current up to 630A, three-phase four-wire power supply system

Surprise on inquiry

Product highlights

Engineering Application Compatibility
Stable and reliable operation
Easy system integration

Model

NH42/SZ

Request a Quote Chat on WhatsApp

Main Product Parameters

CategoryOther (Tools / Labor Protection / Machining Equipment)Secondary CategoryAutomatic Transfer Switch

Product details

Function and Application

NH42/SZ Automatic Transfer Switch is applicable to AC 50Hz/60Hz, AC rated voltage 400V, rated current up to 630A, three-phase four-wire power supply system.

Detailed Parameters

Parameter Category	Parameter Item	Parameter Value
	Rated Thermal Current (A)	16 20 25 32 40 63 80 100 125
		160 200 250
		315 400 630
	Rated Insulation Voltage (V)	800
		1000
		1000
	Rated Impulse Withstand Voltage (kV)	8
		12
		12
	Rated Working Voltage (V)	400
		400
		400
	Rated Working Current (A)	16 20 25 32 40 63 80 100 125
		160 200 250
		315 400 630
	Usage Category	AC-33B
		AC-33iB
		AC-33iB
		AC-33iB
		AC-32B
	Rated Short-Time Withstand Current (kA)	5
		10
		10
		12.6
	Contact Transfer Time (Power Off Time)	≤ 0.8s
		≤ 0.7s
		≤ 0.3s
	Transfer Time I - II or II - I	≤ 1.8s
		≤ 1.7s
		≤ 0.8s
	Operating Force (N)	30~80
		65~100
		75~120

Requirement confirmation

Application, rating, quantity and drawings are checked first.

Factory matching

Supplier capacity, certificates and production slot are reviewed.

Order transaction

Confirm commercial terms, sign the commercial contract, and confirm the related document checklist.

Shipment control

Packing photos, inspection records and delivery status are tracked.