NOS Sorensen SW-134 Pressure-Actuated Stoplight Switch – USA Made
Description:
Correct for Siemens Powers Controls and industrial pneumatic systems. Cross-referenced with 134-1450, Standard DS-134, and NAPA SL134. Threaded body with plunger-style actuator – mounts via 1/8" NPT thread. NOS condition – includes original packaging – not a reproduction.
⚙️ Part Overview
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Manufacturer: Sorensen (Standard Motor Products)
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Part Number: SW-134
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Type: Stoplight (brake light) switch
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Design: Threaded body with plunger-style actuator
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Function: Activates brake lights when pedal is depressed
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Electrical Rating: DPST, snap-acting; supports 120–240V AC and 12V DC circuits【7†】
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Country of Origin: USA
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Packaging: Typically boxed; NOS units may show shelf wear or be bundled in multi-part lots
🚗 Fitment & Specific Applications
The SW-134 is primarily used in industrial and commercial applications, not standard automotive platforms. It’s designed to actuate electrical circuits based on pneumatic pressure signals, making it suitable for:
| Application Type | Examples | Notes |
|---|---|---|
| Industrial HVAC | Air compressors, fans, pilot lights | Pressure-actuated switching【7†】 |
| Resistance heating | Control systems | Adjustable differential settings |
| Pneumatic control | Signal-based actuation | Mounts via 1/8" NPT thread |
This switch is not position-sensitive and can be mounted in any orientation. It’s often found in Siemens Powers Controls systems, under part numbers 134-1450 and 134-1451【7†】.
🔁 Cross-Reference Numbers
| Brand | Part Number |
|---|---|
| Sorensen | SW-134 |
| Siemens Powers | 134-1450 / 134-1451 |
| Standard Motor Prod | DS-134 |
| Niehoff | HL-134 |
| Wells | SW134 |
| NAPA Echlin | SL134 |
These interchange numbers reflect compatibility across multiple brands for pressure-actuated stoplight or control switches
