Products
Thermal Relay
Established in 2005, Zhejiang SPX Electric Appliance Co., Ltd. stands out as a trustworthy manufacturer and supplier of thermal relays in China. With years of specialization in this field, we offer products with a competitive pricing edge, catering to a wide market that spans Southeast Asia, the Middle East, and America. We eagerly anticipate the opportunity to build a lasting partnership with you in China.
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Product Description
SPX high quality STH-N series thermal relay is suitable for AC 50/60Hz, 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-N12 thermal relay is suitable for S-C10/12 AC Contactor.
| Frame(A) | STH-N18(TH-N18) | STH-N25(TH-N25) | STH-N50(TH-N50) | |||||
| Suitabie AC contactor | S-C10/12 | S-C21/25 | S-C50/95 | |||||
| Aux contact structure | Manual or Auto retum | |||||||
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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 | 15A | 12~18 | |||
| 0.35A | 0.28~0.42 | 1.7A | 1.4~2.0 | 19A | 16~22 | |||
| 0.5A | 0.4~0.6 | 2.1A | 1.7~2.5 | 22A | 18~26 | |||
| 0.7A | 0.55~0.85 | 2.5A | 2~3 | 29A | 24~34 | |||
| 0.9A | 0.7~1.1 | 3.6A | 2.8~4.4 | 35A | 30~40 | |||
| 1.3A | 1~1.6 | 5A | 4~6 | 42A | 34~50 | |||
| 1.7A | 1.4~2.0 | 6.6A | 5.2~8 | 54A | 43~65 | |||
| 2.1A | 1.7~2.5 | 9A | 7~11 | 67A | 54~80 | |||
| 2.5A | 2~3 | 11A | 9~13 | 82A | 65~93 | |||
| 3.6A | 2.8~4.4 | 15A | 12~18 | 95A | 85~105 | |||
| 5A | 4~6 | 19A | 16~22 |
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| 6.6A | 5.2~8 | 22A | 18~26 |
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| 9A | 7~11 | 29A | 24~34 |
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| 11A | 9~13 | 35A | 30~40 |
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| Aux contact structure | 1a1b(1NO+1NC) | |||||||
| Outline and installation dimension |
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| Type | L | W | H | φD | ||||
| TH-N20 | 63 | 51 | 79 | 4.5 | ||||
| TH-N60 | 89 | 57 | 83.5 | 4.5 | ||||
SPX Thermal Relays Feature And Application
Raw materials with minimal environmental impact
Materials resistant to flames and heat
Extended lifespan of machinery
3C certification (maintaining the original meaning)
Hot Tags: Thermal Relay, China, Manufacturer, Supplier, Factory, Quality, Customized
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