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Home › Products›switchgear›Isolating switch

NH40-□/□R Series Isolator Fuse Unit

NH40-□/□R Series Isolator Fuse Unit

Product category:
Isolating switch
Product code:
P-682
Model:
NH40

Function & Use (Application Scenarios)

Switching electrical equipment, isolating switches are mainly used for AC 50/60Hz, rated voltage AC 660V and below, DC 440V and below, rated current up to 630A, switches are mainly used in distribution circuits and motors with high short-circuit current

Surprise on inquiry

Product highlights

  • Short-circuit protection capability
  • Reliable isolation protection
  • Engineering Application Compatibility
  • Stable and reliable operation
  • Easy system integration

Model

NH40
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Main Product Parameters

CategorySwitchgearSecondary categoryIsolating switch

Product details

Function and Usage

Applicable to AC 50/60Hz, rated voltage AC up to 660V and DC up to 440V, rated current up to 630A, switches are mainly used in distribution circuits and motor circuits with high short-circuit current, as a manual, infrequent operation main switch or total switch, not suitable for direct start-up and disconnection of a single motor.

Detailed Parameters

Parameter CategoryParameter ItemParameter Value
Agreed Heating Current Specification (A)100
125
160
250
400
630
Rated Insulation Voltage (V)800
Rated Working Voltage (V)400, 690
Rated Working Voltage400V, AC-22B
100
125
160
250
400
630
400V, AC-23B
80
100
125
200
315
425
690V, AC-21B
100
125
160
250
400
630
690V, AC-22B
80
100
125
200
315
425
Rated Short-Circuit Current (kA)At 400V
100
At 690V
50
Mechanical Life (times)8500
7000
7000
4000
4000
4000
Electrical Life (times)1000
500
500
500
300
300
Fuse Rated Current (A)400V
100
125
160
250
400
630
690V
80
100
125
200
315
425
Fuse ModelRT14
RT36-00, NT00
RT36-1, NT1
RT36-3, NT3
Operating Force (N)30~50
40~60
65~100
65~100

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.