QPB32.020A00 Siemens Gas Pressure Switch
$79.90
Auto reset, 2 to 20″ wc
Overview
The Siemens QPB32.020A00 is a high-precision gas pressure switch designed for the accurate monitoring of gas or air pressures in commercial and industrial combustion systems. This versatile device is engineered to detect both high and low pressure conditions, providing a critical safety function for burner systems. Featuring an automatic reset mechanism, the QPB32.020A00 ensures continuous supervision by automatically returning to an active state once the pressure returns to the desired setpoint. Its rugged, NEMA 4-rated construction makes it suitable for both indoor and outdoor applications, even in harsh environments.
Features
- Dual functionality for detecting both high and low pressure conditions in a single unit
- Automatic reset mechanism returns the switch to active monitoring after pressure restoration
- Adjustable pressure range from 2 to 20 inches water column (WC) for precise control
- NEMA 4 rated enclosure provides protection against dust, water, and outdoor exposure
- Ventless operation capability up to 7 psig, reducing installation complexity
- Built-in side test connection for easy manometer or pressure gauge attachment
- Compatible with a wide range of gases including natural gas, propane, butane, hydrogen, and biogas
Specifications
- Model: QPB32.020A00
- Brand: Siemens Combustion
- Pressure Range: 2 to 20 inches WC
- Maximum Operating Pressure: 15 psig
- Reset Type: Automatic
- Enclosure Rating: NEMA 4 / IP65
- Gas Connections: 1/4 inch NPT
- Operating Temperature: -40 F to 140 F (-40 C to 60 C)
- Approvals: cULus, FM, CE, EAC, and RoHS compliant
- Weight: Approximately 3 lbs
Applications
- Burner safety systems and flame safeguard controls for industrial furnaces and ovens
- Gas train monitoring in commercial boiler systems
- Pressure supervision for exhaust fans or recirculation fan flow proving
- Combustion control in industrial ovens using alternative fuels like biogas or hydrogen
- Outdoor gas-fired equipment requiring a durable, weather-resistant pressure switch
| Weight | 3 lbs |
|---|---|
| Dimensions | 6 × 6 × 6 in |
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