Description
A two-pin mechanical thermostat for refrigerators that operates on the principle of measuring vapor pressure, often used in freezers, beverage refrigerators and wine refrigerators.
Acts as a temperature control device by measuring the temperature using a capillary sensor to cycle the compressor on/off.
Main parameters of the WPF24 series:
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Temperature control range
The operating temperature of the WPF24 is for freezing/chilling applications and is typically approximately -25°C to +15°C (approximately -13°F to 59°F).
Input temperature (closed/on): -1°C to -3°C
Output temperature (open/off): -7°C to -9°C
Output temperature (minimum setting): -20°C to -25°C
Note: Other specifications indicate a range from -15°C to 21°C depending on the manufacturer. -
Electrical characteristics
Voltage: AC 250V (typically 50/60Hz)
Nominal current: 4 A, 5 A or 6 A (depending on the manufacturer, usually designated as 5(4) A or 6 A)
Alternating voltage: AC 125V/8(6)A
Terminals: 2
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Physical dimensions and characteristics
Capillary probe length: typically 82cm to 150cm (approximately 32 to 59 inches)
Dimensions: approximately 58 x 55 x 25 mm
Material: metal, plastic
Control type: manual, rotary shaft with screw fastening
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Application areas
WPF24 is used in:
Single door refrigerators and freezers
Ice storage facilities and display cases
Beverage/wine coolers
Car air conditioners
