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Coolant fan switch
Part # TS-250 | Line Code: BLS

Not Fitted / Universal
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Product Details
Terminal Type Bullet
Connector Gender Male
Connector Shape Oval
Terminal Quantity 2
Mounting Bracket(s) Included No
Voltage 12
Wire Quantity 2
Finish Brass
Color/Finish Black
Attachment Method Plug In
Switch Actuation Style Toggle
Open at Idle Yes
Thread Size 22MMX1.50
Housing Material Plastic, Metal
Switch Shape Oval
Overall Width (MM) 20.574
Width - Inches 0.81
Harness Length - mm 158.75
Harness Length - inches 6.25
Connector Quantity 1
Hardware Included No
Terminal Gender Female
Wiring Harness Included Yes
Bulb Included No
Color Black
Part Terminology Engine Cooling Fan Switch

Features & Benefits
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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