Motor Protector Series
  • Product Details

 HCET 3MP Self-hold Motor  protector  


Product features:

About HCET  3MP Self-hold Motor protector  


Small size, (with hand-reset function);

Protected with overload, plugging tunor short circuit flow well;

According to the customer request, setting overload tripcurrent, max 45A;

Accurate trip off time can prevent motor from overheating(4~10s);

Fixed in coil or out , make the process of motor more flexible;

Each type of parts strictly implemented European RoHS environmental standards;

Wires are optional and customized;

Electrical specifications

45amps/15 volts DC

15amps/30 volts DC

25amps/250 volts AC

30amps/125 volts AC

Technical parameter

 HCET 3MP Self-hold Motor protector  

Action temperature  from 30°C-180°C, Every 5 °C a specification. Temperature is optional and customized. 

Temperature tolerance


Trip off current range:

1 ~ 45A

Time check at T-ambient25℃: 4 ~ 10s

HCET 3MP Self-hold Motor protector  Application:

◎Cleaner. puiverizer,agitator, mower

◎Electric power toolsnow-sweeper

◎Washing-machine, home appliance, heater element


Product assurance
    High accuracy

Stable performance
  • 03

    Good synchronization

Strong reliability
  • 05

    Long service life  
  • 06

    Small radio interference
Independent strength R & D

Haichuan temperature control has its own professional R & D team, which has successively obtained dozens of "invention patents" and "utility model patents", and can carry out directional design and development according to the needs of users' products

Accurate and reliable quality

The original imported core components adopt American EMS chips. Haichuan temperature control products have passed the international authoritative certification such as UI, TUV, CQC, ISO / TS16949, CTI and SGS to achieve precision protection.

Complete functional specifications

Haichuan temperature control products have complete specifications, and can choose many existing models such as "automatic reset", "power-off reset", "temperature and current double protection", which can effectively reduce the development cost and time for you.

Efficient production and fast delivery

Haichuan temperature control self built factory, introduced full-automatic production line and full-automatic chip forming machine, realized full-automatic assembly, more efficient production capacity, greatly shortened production cycle, and ensured faster delivery

How about your products quality ?
We pays great attention to the quality control ,advanced testing equipment  and Professional Quality Engineer, multiple  testing process  to ensure that the product 100%qualified delivery .
What certificates you get ?
We have get 5 certificates --CQC : GB/T14536 , ISO/TS 16949 , EN 60730 , UL60730-1 and some products design rights.
How about the shipment and delivery time?
The true delivery time depend on the quantity and products. Here need 5-7 days to produce for normal orders. We prefer to use international express like FedEx/UPS/TNT/DHL,but the shipment can be chose by our clients.
Can you help us to design the protector?
Yes, we focus on the researching. We have technicians to work it. You just send your products to us, and tell us thespecifications. We will design it and give you offer.
Can we get some samples ? How can I get the samples?
We can provide 5-10 pcs thermal protector samples for free, but the overseas shipping cost will in your side. Pls let us know your specific contact information and specificateion, if you want to have free samples from us.
How long is the delivery time?
Our common lead time for bimetal thermal switch is 15 to 35 days upon receipt of advance. If we have inventory, the lead time could be 7-10 days. For new products ,the lead time would be 25 to 40 days. Sometimes rush orders are also acceptable, but the lead time should be agreed by both sides before order release.

What is your website?,,
Are you a manufacturer?
Yeah. We are. And we own 3 workshops, 2 offices about 120 workers. Our factory is in Nanjing city  Jiangsu, near Shanghai. All clients are welcome to visit our factory.
How to test the opening & reset temperatures?
Testing be done in the oven that the precision of constant temp is ±1℃. When testing, the thermocouple or thermometer should be place nearest to samples. During temperature rising ,when the temperature reaches 10℃ less than rated temperature, the temperature rising rate should be less than 0.5℃per minute and the testing current should be no more than 0.01A.

Still cannot get the information  I want?
Simply leave your requirements and we will do the rest.

Basic Information
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