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Coolant fan switch
Part # TS-309 | Line Code: BLS
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Not Fitted / Universal
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Product Details
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Terminal Type Blade
Connector Gender Male
Connector Shape Round
Terminal Quantity 1
Mounting Bracket(s) Included No
Voltage 12
Overall Width (MM) 10.922
Finish Brass
Color/Finish Red
Housing Material Metal
Wire Quantity 0
Attachment Method Plug In
Switch Actuation Style Toggle
Open at Idle Yes
Switch Shape Round
Width - Inches 0.43
Connector Quantity 1
Thread Size 10MMX1.25
Hardware Included No
Terminal Gender Male
Wiring Harness Included No
Bulb Included No
Color Red
Part Terminology Engine Cooling Fan Switch

Features & Benefits
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Robust design and high grade materials meet the stringent demands of today's service professional. In design, we specify custom wax formulations that will expand when heated, activate a snap action electrical contact and transfer the electrical signal to the fan controller. In manufacturing, we custom form the wax pellets for different temperature range specifications. All units are calibrated and tested to confirm switch actuation at their specified temperature. The switch is designed using a formed bimetallic contact arm. The bimetal contact movement is achieved using the different expansion rates of two metals fused together. This is a creep action device, provides precise performance. In production, all thermal switches are factory-calibrated to make electrical contact at the specified lower-temperature set point.
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