Square D Fsg2j21m4cp Pressure Switch, 30/50 Psi, Low Pressure Cut-off, 1/4 In.

This Square D pressure switch is designed to control electrically driven water pumps. It automatically regulates pump cycling by opening contacts when pressure rises, delivering reliable performance for jet pumps, submersible well pumps, and reciprocating pump systems. The low pressure cut-off feature prevents operation below safe pressure thresholds, protecting your water system.

Whether you're replacing a worn switch or installing a new pump system, this Pumptrol switch provides the accurate pressure sensing and durable construction you need for dependable water supply management. Its standard-action contact design and proven engineering make it an ideal solution for homeowners and technicians seeking a reliable replacement switch.

Features and Benefits

• Accurate Pump Cycling: Contacts open on rising pressure to deliver precise control over pump operation and system pressure.
• Low Pressure Cut-Off: Protects the system by preventing operation below safe pressure thresholds.
• Versatile Compatibility: Works with jet pumps, submersible pumps, reciprocating pumps, and electrically driven water pumps.
• Reliable Performance: Built on decades of proven Pumptrol engineering and dependable operation in water systems.
• Standard Pressure Range: Turns on at 30 psi and off at 50 psi for reliable automatic pump control.

Specifications

• Brand: Square D
• Model: FSG2J21M4CP
• Working Pressure Range: 30 to 50 psi
• Pressure Connection: 1/4 inch NPT internal thread opening
• Features: Low pressure cut-off; standard-action contacts
• Suitable For: Jet pumps, submersible pumps, reciprocating pumps, electrically driven water pumps
• Dimensions: 2.78 x 3.76 x 2.8 inches
• Weight: 0.9 pounds
• Color: Grey