WHD-EM-Nut Manual Reset Temperature Controller Switch

* Rate: AC16A 250V
* Temperature Range: 30-320℃
* Bulb Dia: 6mm
* Bulb Length: as different temperatures
* Max resistance temperature T125
* Length of Capillary: 300-2000mm
* On-off Temperature Difference: 2-12℃
* Application: Oven, griddle, fryer, heater, boiler, etc.

The electrical rating, temperature setting, bulb configuration, and capillary length should be matched to the equipment design before selection.

WHD-EM-NUT Manual Reset Temperature Controller Switch Advantages

Controlled Restart Timing
The manual reset function keeps the circuit interrupted after a temperature-limit event until an operator resets the switch. This gives equipment teams control over when operation resumes and can fit restart procedures around inspection or maintenance activities.

Maintains a Clear Post-Trip Condition
The switch remains in its interrupted state after reaching the preset temperature limit. This gives maintenance personnel a clear indication that a temperature-limit event has occurred before the equipment is returned to operation.

Mechanical Temperature-Limit Switching
The WHD-EM-NUT uses a sensing bulb, capillary tube, and mechanical switching mechanism to respond to temperature changes. No electronic control board is required for the temperature-limit switching function, which simplifies integration into equipment using mechanical control circuits.

Flexible Sensing and Installation Arrangement
The 300–2000 mm capillary length range provides different options for positioning the sensing bulb and switch body within heating equipment. This helps accommodate different distances between the temperature sensing point and the electrical connection area.

Separate Protection and Normal Temperature Control
The WHD-EM-NUT can be incorporated as a temperature-limit device alongside a separate operating thermostat. This allows normal temperature regulation and temperature-limit switching to be handled as separate functions within the equipment control system.

WHD-EM-NUT Manual Reset Temperature Controller Switch Applications

The WHD-EM-NUT Manual Reset Temperature Controller Switch can be used for temperature-limit switching in:

Electric ovens
Griddles
Fryers
Electric heaters
Boilers
Other heating equipment requiring manual-reset temperature-limit control

The bulb position, capillary length, temperature setting, and electrical rating should be selected according to the equipment structure and control requirements.

WHD-EM-NUT Manual Reset Temperature Controller Switch Manufacturer and OEM Supplier

We are a Manual Reset Temperature Controller Switch manufacturer and Factory supplying mechanical capillary thermostats for heating equipment manufacturers, control system assemblers, and Wholesale buyers.

Custom and OEM Service

Custom, OEM, and ODM production can be discussed according to the confirmed equipment requirements. Product configuration can cover the temperature setting, bulb length, capillary length, and related installation requirements.

Factory Supply

As a direct Factory Supplier, we support sample evaluation, specification confirmation, OEM production, and repeat Wholesale orders. The required thermostat configuration can be reviewed against the heating equipment before production.

WHD-EM-NUT Manual Reset Temperature Controller Switch FAQ

1. What happens when the WHD-EM-NUT reaches the set temperature limit?
When the sensing bulb reaches the preset limit, the switch changes its contact state and interrupts the heating circuit. The circuit remains interrupted until the reset condition is reached and the switch is manually reset.

2. Why choose a Manual Reset Temperature Controller Switch for a heating system?
A Manual Reset Temperature Controller Switch provides a defined restart point after a temperature-limit event. This can be useful when equipment operation needs to resume only after an operator has checked the equipment condition.

3. Can the WHD-EM-NUT work together with a separate thermostat?
Yes. The WHD-EM-NUT can be incorporated as a temperature-limit device while a separate operating thermostat manages the normal working temperature. This separates routine temperature regulation from limit switching.

4. How should the WHD-EM-NUT be matched to an existing heating system?
Selection should consider the required temperature setting, electrical load, bulb position, available mounting space, and distance between the sensing point and switch location. These factors determine whether the Manual Reset Temperature Controller Switch fits the existing control arrangement.

5. Can the capillary length be selected according to the equipment layout?
Yes. The WHD-EM-NUT is available with capillary lengths from 300 to 2000 mm. The required length should provide enough routing distance between the switch body and the sensing location without unnecessary excess.

6. Can the Manual Reset Temperature Controller Switch directly control a heating element?
The WHD-EM-NUT is rated at AC 16A 250V. Direct switching depends on the actual load type, current, wiring configuration, and equipment design. A contactor or other suitable switching arrangement may be required when the load exceeds the switch rating.

7. What information should be provided when replacing an existing WHD-EM-NUT type controller?
Useful information includes the existing controller model, temperature setting, electrical rating, bulb dimensions, capillary length, mounting arrangement, and application equipment. Photos or drawings can also help confirm mechanical compatibility.

8. Can the Manual Reset Temperature Controller Switch be supplied for OEM equipment?
Yes. OEM and ODM production can be discussed according to the confirmed equipment requirements, including temperature setting, bulb configuration, capillary length, electrical rating, and installation arrangement.