Normally Closed Auxiliary Switch
As a professional manufacturer based in China, XENHO's Normally Closed Auxiliary Switch enables seamless integration with protection systems, facilitating effective monitoring, signaling, and interlocking control within electrical networks. Its core structure employs a high-sensitivity electromagnetic triggering mechanism to ensure rapid response under abnormal operating conditions, preventing equipment damage or fire risks.
As a trusted China manufacturer, XENHO delivers high-performance Normally Closed Auxiliary Switch solutions designed for industrial reliability. Our factory integrates precision electromagnetic triggering technology with strict quality control, ensuring stable switching performance, low failure rates, and consistent operation across large-scale projects.
Key Features
1. High Sensitivity Electromagnetic Triggering – Fast response under abnormal conditions
2. Copper-Tungsten Alloy Contacts – Low resistance, reduced heat generation
3. High Dielectric Strength – Suitable for demanding industrial environments
4. Excellent Anti-Interference Capability – Stable performance in complex systems
5. Long Mechanical Life (>100,000 cycles) – Reliable long-term operation
6. Flexible Installation Options – DIN rail and panel mounting supported
7. Digital & Electromagnetic Control Compatibility
Product Specifications
|
Product Name |
Normally Closed Auxiliary Switch |
|
Rated Operating Current |
0.5A, 7A, 10A, 25A, 63A |
|
Certificates |
CB，CE，RoHS |
|
Rated Operating Voltage (Ue) |
250V, 400V, 690V /65V, 125V |
|
Number of Poles |
1P, 2P, 3P, 4P |
|
Breaking Capacity |
2.5kA, 6kA, 85kA |
|
Mechanical Life |
>100000 |
|
Rated Frequency |
50/60 Hz |
|
Mounting Method |
DIN rail mounting, panel mounting, etc. |
|
Ambient Temperature |
-10°C to +50°C |
|
Warranty |
12–24 months |
|
Samples Available |
Available |
|
Processing Method |
OEM, ODM |
|
Production Lead Time |
30–45 days |
|
Ordering Method |
Purchase of finished products or components |
|
Technical Support |
Yes, we provide full technical support |
|
Features |
Easy to assemble |
|
Control Method |
Digital, Electromagnetic |
Applications
The Normally Closed Auxiliary Switch is widely used in:
Power distribution systems
Industrial automation equipment
Motor control centers (MCC)
Electrical control cabinets
Overload and short-circuit protection systems
Smart grid and energy management systems
Comparison with Other Market Products
|
Feature |
XENHO Product |
Typical Market Products |
|
Contact Material |
Copper-Tungsten Alloy |
Standard Copper |
|
Mechanical Life |
>100,000 cycles |
30,000–50,000 cycles |
|
Quality Consistency |
Strict batch control |
Varies by supplier |
|
Customization |
Full OEM/ODM support |
Limited options |
|
Testing Standard |
Full inspection before shipment |
Sampling inspection |
|
Reliability |
High stability, low failure rate |
Moderate |
Packaging & Shipping
Contact us
For any inquiries about our products, please feel free to contact us through the following methods:
WhatsApp / WeChat: 86-13123865875 86-15858812131
Email: 799199031@qq.com
Send Inquiry
Contact Info
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Address
Wanming Industrial Zone, Beibaixiang Town, Yueqing City, Wenzhou, Zhejiang Province, China
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Tel
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Send your inquiry to XENHO for miniature circuit breaker, molded case circuit breaker, RCBO and more protection devices's pricing, details or OEM customization. Our team provides quick response and professional support for your purchasing needs.
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