Modular Contactor

ETMC modular contactors operate on AC 50/60 Hz up to 400 V and 63 A. They switch low-inductive or household motor loads (with derating) and meet IEC/EN 61095 and IEC 60947-4-1 standards. Commonly used for lighting, heating, ventilation, and pumps, they easily mount on DIN rails in panels and boards.

Current ratings: 16A to 63A
Available in 1P, 2P, 3P, and 4P configurations
Automatic and manual control options
Multiple contact arrangements (NO, NC combinations)

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Porduct Overview

To meet diverse application needs, ETMC contactors are available in both automatic-control and manual-control versions. Their exterior design and dimensions are aligned with the T Series circuit protection products, ensuring a unified appearance and seamless side-by-side installation for consistent panel aesthetics and layout.

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Technical Data

Standard			IEC/EN61095,IEC/EN 60947-4-1
Model			ETMC-16	ETMC-20	ETMC-25
Rated current In(A)	AC-7a		16	20	25
	AC-7b		6	7	9
Conventional thermal current Ith(A)			25	25	25
Control modes			Automatic/Manual
Rated insulation voltage Ui(V)			500
Rated operation voltage Ue(V)			250(1P/2P),400(3P/4P)
Number of main contacts	1P		1NO,1NC
	2P		1NO+1NC,2NO,2NC
	3P		3NO,3NC
	4P		4NO,4NC,2NO+2NC,3NO+1NC
Product power(230V)	1P	Release	2.8VA	2.8VA	2.8VA
		Operating	11.5VA	11.5VA	11.5VA
	2P	Release	2.8VA	2.8VA	2.8VA
		Operating	11.5VA	11.5VA	11.5VA
	3P	Release	4.1VA	4.1VA	4.1VA
		Operating	31VA	31VA	31VA
	4P	Release	4.1VA	4.1VA	4.1VA
		Operating	31VA	31VA	31VA
Control power(kW)	AC-7a	250V	3.5	4.5	5.5
		400V	6	7.5	9.5
	AC-7b	250V	1.4	1.6	2
		400V	2.2	2.5	3.2
Heat loss(W)			1.2	1.2	1.2
Rated control power voltage (Us)			24/110/230VAC(1P/2P),24/110/230/380VAC(3P/4P)
Electrical life (times)			10x10⁴
Mechanical life (times)			10×10⁵
Rated impulse withstand voltage (Uimp)			4kV
Pollution degree			2
Protection level			IP20
Ambient temperature			-5℃~+50℃
Storage temperature			-40℃~+70℃
Installation			Mounting on 35mm DIN rail
Wiring capacity	Control circuit	Hard wire	1.5~2.5mm²
		Flexible wire	1.5~6mm²
	Power circuit	Hard wire	1.5~4mm²
		Flexible wire	1.5~6mm²
Torque (N.m)	Control circuit		0.8
	Power circuit		0.8

Standard			IEC/EN61095,IEC/EN 60947-4-1
Model			ETMC-32	ETMC-40	ETMC-63
Rated current In(A)	AC-7a		32	40	63
	AC-7b		12	18	25
Conventional thermal current Ith(A)			63	63	63
Control modes			Automatic/Manual
Rated insulation voltage Ui(V)			500
Rated operation voltage Ue(V)			250(1P/2P),400(3P/4P)
Number of main contacts	1P		1NO,1NC
	2P		1NO+1NC,2NO,2NC
	3P		3NO,3NC
	4P		4NO,4NC,2NO+2NC,3NO+1NC
Product power(230V)	1P	Release	/	/	/
		Operating	/	/	/
	2P	Release	4.1VA	4.1VA	4.1VA
		Operating	31VA	31VA	31VA
	3P	Release	7VA	7VA	7VA
		Operating	48VA	48VA	48VA
	4P	Release	7VA	7VA	7VA
		Operating	48VA	48VA	48VA
Control power(kW)	AC-7a	250V	8	9	14
		400V	12	15	24
	AC-7b	250V	3	4	5.5
		400V	4.5	6	8
Heat loss(W)			1.6	2.1	2.1
Rated control power voltage (Us)			24/110/230VAC(1P/2P),24/110/230/380VAC(3P/4P)
Electrical life (times)			10x10⁴
Mechanical life (times)			10×10⁵
Rated impulse withstand voltage (Uimp)			4kV
Pollution degree			2
Protection level			IP20
Ambient temperature			-5℃~+50℃
Storage temperature			-40℃~+70℃
Installation			Mounting on 35mm DIN rail
Wiring capacity	Control circuit	Hard wire	1.5~2.5mm²
		Flexible wire	1.5~6mm²
	Power circuit	Hard wire	6~16mm²
		Flexible wire	6~25mm²
Torque (N.m)	Control circuit		0.8
	Power circuit		3.5

Auxiliary Contact
	Model		OF-11	OF-20
	Number of contacts		1NO+1NC	2NO
	Rated insulation voltage Ui (V)		500
	Rated impulse voltage (Uimp)		4kV
	Usage category	AC-12	240V/5A
		AC-15	230V/2A
		DC-13	130V/1A
	Wiring capacity	Flexible wire	1.5~6mm²
		Hard wire	1.5~6mm²
	Circuit diagram

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