NNC71B Electromagnetic Power Relay (JQX-38F)

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Website: http://electrical-relay.com/2018/1-3-1-nnc71b-electromagnetic-power-relay.html

The NNC71B electromagnetic power relay (JQX-38F) can be applied to household appliances, mechanical control, industrial equipment, industrial control system ,automatic control system, agricultural equipment and power transmission and distribution, etc.

Features

Large change over power of load: 40A,50A
The NNC71B electromagnetic power relay (JQX-38F) provides two groups of contacts installation and three groups of contacts installation.
The device provides the screw installation mode/socket type installation mode, and it also provides the sealed type to be chosen.

Identification

CCC:2011010303471251
CE:5401090516
UL：E235027

Model explanation

Contact parameters

Contact form	2Z,2H,2D	3Z,3H,3D
Contact load	40A/50A
Maximum switching voltage	240VAC 40A/240VAC 50A 28VDC 40A/ 28VDC 50A
Contact material	Silver alloy

Relay coil

Rated voltage V	DC12V	DC24V	DC110V	DC220V
Rated current (±10%) mA	208	83	23	11.3
Coil resistance (±10%) Ω	58	104	4846	19469
Rated power consumption W	2.5W
Pull-in voltage (Maximum) V	Below 75%
Drop-out voltage(Minimum) V	Above 10%
Allowable voltage(Maximum) V	Rated voltage×110%
Rated voltage V	AC12V	AC24V	AC110V	AC220V
Rated current (±10%) mA	500	250	55	27
Coil resistance (±10%) Ω	8	34	706	2830
Rated power consumption W	6.0VA
Pull-in voltage (Maximum) V	Below 80%
Drop-out voltage(Minimum) V	Above 30%
Allowable voltage(Maximum) V	Rated voltage×110%

Specification of NNC71B electromagnetic power relay (JQX-38F)

Insulation resistance		≥200MΩ(500VDC)
Coil voltage		DC:6 - 220V AC:6-380V
Pull-in time		≤25ms
Drop-out time		≤15ms
Withstand voltage	Between the homopolar contacts	1500VAC/1min(Leakage current 1mA)
	Between the heteropolar contacts	1500VAC/1min(Leakage current 1mA)
	Between contacts and coil	2500VAC/1min(Leakage current 1mA)
Dimension	55.5 × 50 ×42mm
Weight	About 130g

Dimension and installation

① Front view; ② Side view; ③ 3Z Wiring diagram; ④ 2Z Wiring diagram

Index
relay switch, electric switch, electrical device

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