Description
The Schneider Electric (Square D) 9013FSG42J15 is a heavy-duty, industrial-grade pressure switch engineered for dependable pressure monitoring and control in HVAC, pumping, and fluid system applications. Part of Square D’s trusted 9013FSG series, this switch delivers precise, repeatable performance in demanding environments.
Key Features
- Pressure range: 5 to 21 PSI (cut-in/cut-out)
- 2-pole (2P) contact configuration for versatile circuit control
- Open-on-Rise action — contacts open when system pressure rises, providing fail-safe protection
- NEMA 1 enclosure rating — suitable for indoor, general-purpose installations
- Square D 9013FSG series construction for long service life and reliable switching
- Designed for use in water pressure, air pressure, and hydronic system control applications
Application
The 9013FSG42J15 is ideal for controlling pumps, compressors, and HVAC equipment based on system pressure. The open-on-rise contact action automatically de-energizes connected equipment when pressure reaches the upper set point, protecting systems from over-pressurization. Its NEMA 1 indoor enclosure makes it well-suited for mechanical rooms, boiler rooms, and equipment closets.
Product Specifications
- Brand: Schneider Electric (Square D)
- SKU / Part Number: 9013FSG42J15
- Series: 9013FSG
- Pressure Range: 5–21 PSI
- Poles: 2-Pole (2P)
- Contact Action: Open on Rise (Normally Closed)
- Enclosure Type: NEMA 1 (Indoor General Purpose)







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