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  • Model:WAA2 series
  • Voltage: 120V 250V 24V
  • Current: 5A 3A 6A
  • Temperature range: 0-180C
  • Special features: Low temperature creep action thermostat
  • PDF:
We  keep  in  researching  and  developing  high-tech  and  innovative  bimetal  thermostat,  thermal  protector,  thermal  switch,  thermal  cutout,  and  capillary  thermostat  with  reliable  quality. Hotline:0086 13924337782
WAA2 creep action thermostat is specially designed for low voltage appliances temperature control,applicable to car seat,medical cushion and heating pad.It is focused on the low temperature range and small temperature differential.The thermostat can pre-set temperature,no need extra adjustment.The lead wire is optional and the case is live.Insulation sleeving might be needed.

Special features of thermostat:

1.Good conductive bimetal ensures that it can withstand certain current;
2.Creep action,the contacts open and close slowly;
3.Good temperature consistence,small temperature differential;
4.Pre-set temperature,no need extra adjustment;
5.Lead wire is optional and the case is live.Insulation  sleeving might be needed;
6.Same and opposite terminal directions optional.

Electrical Specifications:

1.5A/120V AC
2.3A/250V AC
3.6A/24 V DC

Temperature Ratings:

1.OFF temperature:0-180℃
3.ON temperature:5℃ for creep action

 Special notes for thermal switch:

1. The temperature rising speed under calibration should be less than 1°C per 2 minutes;

2. Vacuum varnishing is not applicable. Specially treated thermostat is possible;

3. Varnishing under room temperature is possible. The temperature has to be less than 70°C;

4. If the contact resistance is over 50m Ohm, please connect the thermostat to the circuit of 60-100VAC, 2-5A and make the thermostat to action 2 or 3    times. Then, test the contact resistance again. The resistance would be decreased.

Applications of thermostat:

1. Blanket, Heating pad
2. Medical pads
3. Other applications which need low temperature control

Dimensinal Drawings:
WAA2 Dimensinal Drawings


Testing Curve:
WAA2 Testing Curve
         WAA2 creep action thermostat

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