Electromagnetic Power Relay Nnc71b (JQX-38F) for Electric Welding Machine

• Theory: Electromagnetic Relay
• Usage: Industrial Control Equipment
• Electricity Type: AC/DC
• Load: High Power Relay
• Protective Characteristics: Enclosed Rlay
• Action Principle: Electromagnetic Type
• Model NO.: NNC71B(JQX-38F)
• Size: Miniature
• Type: Electric Parameter Relay
• Max.Switching Voltage: 240VAC/28VDC
• Contact Rating: 40A 50A
• Contact Material: AG Alloy(Agsno2; Agcdo)
• Certificate: CCC,CE
• Contact Form: 2z,2h,2D;3z,3h,3D
• Transport Package: Carton
• Specification: 55.5mm*30mm*37.5mm
• Trademark: NNC
• Origin: China
• HS Code: 8536490000
• Production Capacity: 500000PCS/Week

Product Description

Specifacation

Dimension		55.5mm*30mm*37.5mm	57.3mm*37.2mm*40.9mm		55.5mm*30mm*37.5mm
Contact Feature	Form	2Z(DPDT);2H(DPST-NO);2D(DPST-NC)		3Z(TPDT);3H(TPST-NO);3D(TPST-NC)
	Rated load	40A,50A
	Max switching voltage	240VAC/28VDC
	Contact resistance	≤100mΩ
	Material	AG Alloy(Agsno2; Agcdo)
	Electrical life	≥1*10^5
	Mechanical life	≥1*10^7
Operate voltage (23ºC)		DC:≤75%*Rated voltage, AC:≤80%*Rated voltage
Release voltage (23ºC)		DC:≥10%*Rated voltage, AC:≥30%*Rated voltage
Maximum voltage (23ºC)		110%*Rated voltage
Coil voltage		DC6-220V, AC6-380V (Customize allowed)
Coil power		DC: 2.6W, AC: 6VA
Pick-up time		≤25ms
Release time		≤15ms
Dielectric strength	Between Same-pole contacts	1500VAC/1min(leakage current 1mA)
	Between Opposite-pole contacts	1500VAC/1min(leakage current 1mA)
	Between contacts and coil	2500VAC/1min(leakage current 1mA)
Insulation resistance		≥100mΩ(500VDC)
Ambient temperature		-25ºC ~55ºC
Ambient humidity		45%-75%RH
Atmospheric pressure		86-106KPa
Shock resistance		10G (sinusoidal half-wave pulse: 11ms)
Vibration resistance		10-55Hz (double amplitude: 1.5mm)
Installation		Screw or Socket with DIN Rail or Flange
Weight		Approx. 130g/PCS
Packing	Carton with foam box inside	100PCS/Carton, G.W.: 14KG, N.W.: 13KG, Dimension(mm): 402×288×370

Wiring Diagram

   NNC71B-3Z(38F) Big Base         NNC71B-3Z(38F) Bmall Base         NNC71B-3Z(38F) Sealed Type