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Main applications :
Direct actuating of pumps and blowers in spas and swimming pools, sink erasers, plumbing or home appliances used with risks of water splashing. Resist to spas and swimming pools ozone concentration.

They feature in standard a patented barometric and thermometric compensation.

Technical features :
Fluid: Air only
Pressure port connection: Plastic spout for ⅛” (3mm) or 1/16” (1.5mm) ID flexible plastic tubing with maximum hardness 70 shore A
Membrane: EPDM, 22mm diameter. Silicone available on request
Housing: PA66, UL94 and ABS
Contact: Snap action. DPNO (DPDT available on request)
Electrical rating: Depends on micro-switch operating force that is linked to the electrical rating. Increasing the electrical rating reduces the actuating distance
- Standard rating micro-switch: 16A res. 125/250VAC; 1/2HP 125VAC; 3/4HP 250VAC
- High rating micro-switch (short actuating distance): 2HP 250VAC, 22 (8) A 250VAC
Action (2 styles of action are possible):
- Momentary: the contact switches when under pressure, and returns to its original position when there is no more pressure.

- Latching: a first pressure pulse switches the contact, which remains in this position, and only returns to its initial position with a second pressure pulse.

Electrical connection: 6.35 × 0.8mm quick connect terminals
Maximum operating pressure: 200 kPa (2000 mbar, 29 PSI)
Ambient temperature limits: Air: -10 ~ 85°C (14 to 185°F).

Barometric compensation: Calibrated flow leak orifice inside the pressure chamber Mounting fittings: ¼” NPSM without flats on thread, or 9/16-18 with 2 possible flat positions Switch operation: Operates on a sealed pressure air displacement.

Use air transmitters with enough air volume to achieve minimum operating pressure.

Caution: too long connecting tubing and/or too small pressure transmitter will not operate the air switch or will operate it with a momentary action.

Accessories (in option or available as spare parts): ABS plastic nut (Maximum tightening torque 1.5 Nm) and tube securing nut (Maximum tightening torque 2 Nm).

Approval: UL 508