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MPL 9375 Series
Overview

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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

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/ ISO 13485:2003 certification / ISO 9001:2008 certification / ITS 16949 6 Sigma