NDR3E-38 Series Electronic Overload Relay, Nader

Rated operational voltage Ue (V): AC690V

Rated insulation voltage Ui and frequency: 690V, 50Hz/60Hz

Setting range: 0.1~40A

Certifications: CCC, CQC, CB, CE, TUV

Wind Energy

Product Description

Application

NDR3E-38 electronic overload relays provide the overload, phase failure and unbalance protection for three-phase AC motors in the circuit with the AC 50Hz/60Hz, the rated voltage up to 690V and the current from 0.1A to 40A, they can be used as motor starters with the NDC3-09~38 AC contactors.

Specifications

Setting range	0.1~40A
Rated insulation voltage and frequency	690V, 50Hz/60Hz
Tripping class	10/20 (adjustable)
Main circuit wiring capacity	Flexible conductor (1 without piece) terminals	Minimum/Maximum cross section	1.5/10mm²
	Flexible conductor (1 piece) with terminals		1/4mm²
	Solid conductor (1 without piece) terminals		1/6mm²
Terminal tightening torque of the main circuit	1.5N.m
Power supply	110V, 220/230V, 380/400V (50Hz/60Hz)
Auxiliary contact type	1NC+1NO (electrical without isolation) NDR3E-38□/0/□ 1NC+1NO (electrical isolation) NDR3E-38□/1/□
Rated operating voltage of the auxiliary contact	AC-15 230V/0.75A 400V/0.47A DC-13 230V/0.1A
Auxiliary circuit wiring capacity	Flexible conductor (1 piece) without terminals	Minimum/Maximum cross section	0.75/1.5mm²
	Flexible conductor (1 piece) with terminals		0.75/1.5mm²
	Solid conductor (1 piece) without terminals		0.75/1.5mm²
Auxiliary terminal tightening torque	0.5N.m