Product Description
The Dwyer 1638-0 Large Diaphragm Pressure Switch provides reliable and accurate pressure measurements for a variety of applications. Designed with a visible set point indicator, it offers easy operation and troubleshooting. This model is UL and CSA listed, and FM approved for general service. Capable of handling electrical loads of up to 15 amps, it supports many small electrical systems.
- Manufacturer Direct
- Range: 0.05 to 0.25 w.c.
- Switch Type: SPDT
Product Highlights
With its large diaphragm, the 1638-0 delivers precise control over low-pressure ranges. The visible set point indicator enhances ease of use and system maintenance. Suitable for damper positioning, duct air control, air conditioning, and various industrial services.
Product Information
Standard Information
Technical Specifications
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Service: Air and non-combustible, compatible gases
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Temperature Limits: -30 to 110 Fahrenheit
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Pressure Limits: 10 psig continuous, 25 psig surge
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Switch Type: SPDT
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Electrical Rating: 15 A at 120-480 VAC, 60 Hz; 1/8 HP at 125 VAC, 1/4 HP at 250 VAC, 60 Hz
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Mounting Orientation: Vertical diaphragm position
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Set Point Adjustment: Screw type with enclosed scale
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Weight: 3 pounds 3 ounces
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Agency Approvals: CSA, FM, UL
