AC 50/60Hz Thermal Relay

SPX STH-T series AC 50/60Hz Thermal Relay made in China, rated operating voltage to 690V, current to 630A long-term or intermittent long-term operation of the general AC motor overload and phase break protection, with phase break protection, temperature compensation, trip indication function, and can be automatically and manually reset, can be inserted with contactors. It can also be installed independently.

Send Inquiry

Product Description

SPX high quality STH-T series AC 50/60Hz Thermal Relay, rated operating voltage to 690V, current to 630A long-term or intermittent long-term operation of the general AC motor overload and phase break protection, with phase break protection, temperature compensation, trip indication function, and can be automatically and manually reset, can be inserted with contactors. It can also be installed independently.

The STH-T25 thermal relay is suitable for S-M20/25 AC Contactor.

Frame(A)	STH-T18(TH-T18)		STH-T25(TH-T25)				STH-T50(TH-T50)
Suitabie AC contactor	S-M10/12		S-M20/25				S-M35/50
Aux contact structure	Manual or Auto retum
Adjust range selcet(A)	Select(A)	Adjust range(A)	Select(A)		Adjust range(A)		Select(A)	Adjust range(A)
	0.24A	0.2~0.32	1.3A		1~1.6		29	24~34
	0.35A	0.28~0.42	1.7A		1.4~2.0		35	30~40
	0.5A	0.4~0.6	2.1A		1.7~2.5		42	34~50
	0.7A	0.55~0.85	2.5A		2~3
	0.9A	0.7~1.1	3.6A		2.8~4.4
	1.3A	1~1.6	5A		4~6
	1.7A	1.4~2.0	6.6A		5.2~8
	2.1A	1.7~2.5	9A		7~11
	2.5A	2~3	11A		9~13
	3.6A	2.8~4.4	15A		12~18
	5A	4~6	19A		16~22
	6.6A	5.2~8	22A		18~26
	9A	7~11	29A		24~34
	11A	9~13	35A		30~40
Aux contact structure	1a1b(1NO+1NC)
Outline and installation dimension



	Type		L	W	H	φD
	TH-T25		63	51	81	4.5