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PRINCIPLE OF OPERATION:
With temperature rise, the expansion of liquid medium filled in sensing bulb & bellow part drives the switch ON/OFF through leverage function to maintain a desired set point temperature.
Features of temperature limiter
Liquid-filled typeManual reset high temperature limit switchAccurate temperature control Little difference on on/off temperatureBroad range of temperature controlLong life usageWKF temperature limiters are widely used in most household appliances (electric kettle, electric heater, oven, rolling-type washing machine, water boiler etc.), refrigeration industry (refrigerator, ice-maker, cold drinks-maker etc.), and medical industry as wellTechnical Parameters of Temperature limiter:
Temperature Range of temperature limiter: | –35°C ~ +320°C |
Electric Rating: | 16 ( 3 ) A – 250V ~ 10( 1.8 ) A – 400V |
Min. Current: | 200mA |
Electrical Strength: | AC 2000V/1min |
Normal Insulation Resistance: | ≥100MΩ |
Wet Insulated Resistance: | ≥10MΩ |
Contact Resistance: | ≤50MΩ |
Temperature Response Rate: | ≤1.0°C/min |
Life (Cycles) of temperature limiter: | ≥6,000 |
WIRING FORM: | S.P.S.T or S.P.D.T |
Specifications of temperature limiter:
Sensing Bulb | Capillary | |
Specification | Dia.: Φ3,Φ4,Φ5,Φ6 | Standard: 700mm (300~3000mm optional) |
Material | Copper, Stainless Steel | Copper, Stainless Steel |
Note:
*Specifications of WKF Temperature limiters can be made by request.
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WKF Overheating Temperature Limiter