Nanjing Haichuan Electronic Co., Ltd.

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Automotive DC Motor Thermal Protection Self Resetting Overload Protection Switch

China Automotive DC Motor Thermal Protection Self Resetting Overload Protection Switch

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Automotive DC Motor Thermal Protection Self Resetting Overload Protection Switch

MOQ： 1000
Price： Please contact us
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Payment Terms	T/T
Supply Ability	10000000 pcs per month
Delivery Time	5-7 work days
Packaging Details	20000 pcs per carton
Product name	3MP motor thermal protector
Material	Metal case
Temperature range	30~180℃
Tolerance	±8℃,±5℃
Voltage	30V DC / 250V AC
Current	Customizable
Application	Automotive/Industrial Equipment
Brand Name	HCET
Model Number	3MP
Certification	ROHS
Place of Origin	China

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Product Specification


Payment Terms	T/T	Supply Ability	10000000 pcs per month
Delivery Time	5-7 work days	Packaging Details	20000 pcs per carton
Product name	3MP motor thermal protector	Material	Metal case
Temperature range	30~180℃	Tolerance	±8℃,±5℃
Voltage	30V DC / 250V AC	Current	Customizable
Application	Automotive/Industrial Equipment	Brand Name	HCET
Model Number	3MP	Certification	ROHS
Place of Origin	China
High Light	Self Resetting dc motor thermal protection ，klixon dc motor thermal protection ，Self Resetting klixon thermal overload protector

HCET 3MP/6AP Series Motor Thermal Protector Self-Resetting Overload Protection Switch for Automotive/Industrial Equipment

The HCET 3MP motor thermal protector is an intelligent electromechanical protection device engineered for demanding automotive and industrial applications. This UL-recognized component provides dual-mode protection through precise temperature monitoring (30-180°C ±5℃) and current overload detection (1-45A DC/AC). Featuring auto-reset functionality with manual override option, it effectively prevents motor burnout in starter systems, power tools, and HVAC equipment while complying with EU RoHS and REACH environmental directives. With IP67-rated housing and vibration-resistant construction, this SENSATA KLIXON alternative ensures reliable operation in extreme conditions (-40°C to +200°C).

Product feature:

Dual Protection
Thermal-Current Hybrid Sensor: Simultaneously monitors winding temperature and current flow
Fast Trip Response: 4-10s cut-off prevents insulation degradation
Precision Calibration: ±2% current tolerance meets automotive-grade requirements
Robust Performance
Wide Voltage Coverage: 12VDC to 250VAC systems compatibility
High Cycle Life: 30,000+ operations (tested per UL 60730-1)
Application Flexibility
Multi-Industry Solution: Optimized for EV charging systems, industrial pumps, AGV robots, and renewable energy equipment
Custom Configuration: Selectable trip curves (10A/1H/3.5A) and terminal types (fast-on/ring/PCB mount)
Safety Compliance
Certified Protection: Short-circuit withstand (10kA) and arc flash containment
Lead-Free Construction: Meets RoHS standards

Electrical Characteristics:

30℃~180℃ Operating temperature range, Customizable temperature.	4S~10S Special action time can be customized
±5°C, ±8℃ Temperature Tolerance	1A~45A The overload current tripping range can be customized according to customer's requirements.

45amps/15 volts DC 15amps/30 volts DC

25amps/250 volts AC 30amps/125 volts AC
Electrical characteristics

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Company Details

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Year Established:

2010 
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Employee Number:

280~350 
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Ecer Certification：

Verified Supplier 

Nanjing Haichuan Electronic Co., Ltd., located in Nanjing Luhe Economic Development Zone, is a national high-tech enterprise specializing in the production of high-end motor protectors, overcurrent protectors, thermostats, thermal protectors, temperature switches, temperature control switches, and t... Nanjing Haichuan Electronic Co., Ltd., located in Nanjing Luhe Economic Development Zone, is a national high-tech enterprise specializing in the production of high-end motor protectors, overcurrent protectors, thermostats, thermal protectors, temperature switches, temperature control switches, and t...

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Nanjing Haichuan Electronic Co., Ltd.
No.18, Huyue Road, Luhe Development, 211500 Nanjing, Jiangsu, China
https://www.thermalprotectorswitch.com/

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