NB901-AC Relay
  • NB901-AC Relay

RELAY TYPE: NB901-AC Relay

· 40A switching capability 

· THT&QT terminal types for heavy duty

· Dielectric strength between coil and contact 2.5KV, 

  max.4KV

· NO,NC,NO&NC contact form available

· Option for sealed and flux-tight type

· UL insulation grade:Class F

· Environmental friendly product 

· Outline dimension: 32 x 27.2 x 28.5mm & 32 x 27.2 x 

  20.5mm


Contact Ratings
Contact Form:1A, 1B, 1C
Contact Material:AgCdO, AgSnO2
Contact Load Capacity:1A:40A/240VAC,30VDC
1B:40A/240VAC,30VDC
1C:40A/240VAC,30VDC
Max. Switching Current:40A
Max. Switching Power:11000VA/1200W
Mechanical Endurance:1*107OPS
Electrical Endurance:1*105OPS


Technical Ratings
Insulation Resistance:1000MΩ
Dielectric Strength(Between coil&contact):2500VAC
Operate Time (Max.):15ms
Release Time (Max.):10ms
Ambient Temperature:-40℃ ~ 85℃/105℃
Terminal Type:THT & QT



Coil Ratings
Nominal Voltage24VAC 110VAC 120VAC 220VAC 240VAC 277VAC
Nominal Coil Power2VA






PCB Layout (Bottom View)                                            Wiring Diagram (Bottom View)

NB901 pcb layout                                                          NB901 wiring diagram


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