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MPL / Switches & Sensors 9375 Series /
Low Pressure Switch
A snap action low-range high temperature pressure switch designed for outstanding performance in air-proving type applications. Self-cleaning contacts afford durable and stable switching performance throughout life. Ideal for air proving applications such as gas fired heating or appliance exhaust, where long life and high reliability are required for safety.
Applications include:
- Air Proven
- Air Filter Monitoring
- Exhaust Monitoring
- Automation
- Pneumatic Equipment
Specifications
Mechanical
- Body: Polycarbonate
- Diaphragm: Post cured silicone
- Terminals: Copper alloy (Brass)
- Contacts: Silver / composite
- Actuator: Beryllium Copper (BECU)
- Springs: Stainless steel (SS), BECU
- Port outside Φ: 0.25” (6.35mm)
- Bleed hole Φ: 0.016” (0.41mm)
Functional
- Operating position: Diaphragm vertical
- Operating temperature: -40°C to 85°C
- Proof pressure: 2 PSIG (13.8 kPa) max
- Burst pressure: 3 PSIG (20.7 kPa) max
- Durability: 200k+ cycles at 24 mA 24 VAC
- Mechanical life: 1 million cycles
Set points (InH2O (Pa) @ ambient
- 0.10 (25) deact or 0.20 (50) act to 1.00 (25)
- Tolerance: +/- 0.05 (12)
- Hysteresis: 0.04 (10) to 0.14 (35)
- 1.01 (251) to 1.50 (375)
- Tolerance: +/- 0.07 (17)
- Hysteresis: 0.04 (10) to 0.20 (50)
- 1.51 (376) to 2.0 (498)
- Tolerance: +/- 0.08 (20)
- Hysteresis: 0.04 (10) to 0.20 (50)
Electrical
- Contact resistance: <10 ohms
- Minimum load: 15mA, 24 VAC
- Ratings: 2 amp resistive @125-277 VAC
- Pilot duty: 28VA @ 24VAC 125VA @ 125 VAC
Agency
- UL & cUL file#: MH16997
Features & Benefits
- Customer Engineered Solutions
- Extreme Low Pressure
- Normally Open (SPNO only)
- Historically Proven Reliability
- Configurable Port Orifice
- Factory-set Customizable Set Points
Custom OEM Solutions
Product design and customization has been a core service at Micro for over 50 years. With broad multi-industry experience, Micro is tested and trusted by the world’s most experienced and demanding OEMs