Description
- Air pressure sensing switch with fixed set point
- Mounting position: Mount with the diaphragm in any vertical plane to obtain a specified operating set point.
- Setpoint: Fixed to operate on pressure rise at 0.05±0.02”w.c. (1.27±0.508 mm)
- Switching differential (approximate) : 0.02±0.01”w.c. (0.508±0.254 mm w.c.)
- Measured media: Air, or combustion byproducts that will not degrade silicone.
- Maximum pressure : 1/2 psi (0.03 bar)
- Operating temperature range : -40°F to 180°F (-40.0°C to 82.2°C)
- Life: 100,00 cycles minimum at 1/2 psi maximum pressure each cycle and at maximum rated electrical load.
- Electrical rating: 300 VA pilot duty at 155 to 277 VAC, 15 amps noninductive to 277 VAC, 60 Hz.
- Contact arrangement: SPST-NO
- Electrical connections: Screw-type terminals.
- Sample line connector: Barbed 1/8” – 1/4” slip-on connector accepts flexible tubing.
- Shipping weight: 1.2 lbs.
- Approvals: UL, CSA
Functional specifications
- Integral recycling delay timer with 10 minutes ON, 15 seconds OFF cycle, 120 volt input.
- Power : 120 VAC +10%/-15%, 50/60 Hz.
- Timing range : 10 minutes (600 seconds) ±10%
- Output : SPST NO relay rated for 8 amps (resistive) @ 250 VAC or 1/8 hp @ 250 VAC.
- Electrical connections : Terminal block with clamp-type screw connector suitable for 12-26 AWG.
- Temperature range : -40°F to 140°F (-40°C to 60°C).
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