Product Description
The Dwyer 1638-1 Large Diaphragm Pressure Switch is designed for meticulous control in HVAC and industrial applications. This switch supports a range of 0.20 to 1.0 inches of water column. It is engineered to handle electrical loads up to 15 amps without requiring additional relays.
- Visible set point indicator for straightforward adjustments.
- SPDT switch configuration to accommodate various electrical connections.
- Durable design approved by CSA, FM, and UL for general service.
Product Highlights
This pressure switch features a large diaphragm that offers precise low-range accuracy and a dependable performance for controlling air and non-combustible gases. Its rugged construction ensures reliable operation even under tough environmental conditions.
Product Information
Standard Information
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Brand: Dwyer
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MPN: 1638-1
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Category: Industrial Switches
Technical Specifications
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Pressure Range: 0.20 to 1.0 inches w.c
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Electrical Rating: 15 A @ 120-480 VAC, 60 Hz
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Temperature Limits: -30 to 110°F (-34.4 to 43.3°C)
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Agency Approvals: CSA, FM, UL
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Mounting Orientation: Diaphragm in vertical position
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Process Connections: 1/8 inch female NPT
