Merrill MPSM43050 30-50 PSI Low Water Cutoff Pressure Switch with Manuel Lever

Overview

This advanced water pump pressure switch, the Merrill MPSM43050, is designed to optimize the performance and safety of electrically driven water well pumps, including jet, submersible, and reciprocating types. As a premium replacement switch, it ensures consistent water pressure while providing critical low-water cutoff protection. The MPSM43050 features a manual low-level cutoff arm that automatically shuts off the pump in the event of a significant pressure drop, preventing pump damage. This switch activates the pump at 30 psi and deactivates it at 50 psi (factory settings). Featuring a ¼ inch pressure connection and compatibility with 115-Volt or 230-Volt wiring, this switch offers versatility and enhanced safety for various water system configurations. Trust the Merrill MPSM43050 for dependable performance and lasting reliability.

Key Features

• Factory preset 30/50 PSI operation for automatic pump control.
• Adjustable low-pressure cut-off with manual lever for critical pump protection.
• Solid brass contacts for superior electrical conductivity.
• Larger electrical contacts to handle higher electrical loads efficiently.
• 2-spring design allowing for adjustable cut-in and cut-out pressure settings.
• Removable cap for easy adjustment and internal access with instructions.

Specifications

Pressure Settings: 30-50 PSI (factory set)

Pressure Connection: ¼ inch

Voltage: 115-Volt or 230-Volt

Material: Solid brass contacts

Type: Low water cutoff pressure switch with manual lever

Applications

Ideal for professional plumbers and water system installers needing reliable pressure control and low water cutoff protection for residential, commercial, and agricultural water well systems. Suitable for use with jet pumps, submersible pumps, and reciprocating pumps in environments where pump protection is critical. The low water cutoff feature prevents pump damage from running dry, enhancing system longevity.

Performance and Characteristics

The Merrill MPSM43050 pressure switch is engineered for consistent and reliable performance, maintaining pressure within the 30-50 PSI range. Its solid brass contacts ensure excellent electrical conductivity, while the larger contacts handle higher electrical loads efficiently. The 2-spring design allows for precise adjustment of cut-in and cut-out pressures. The integrated low water cutoff feature with a manual lever provides critical protection against pump damage. Designed for durability and precision, this switch ensures optimal water system performance and enhanced safety.

Additional Information

Manufactured with high-quality materials, this pressure switch is designed to meet industry standards for reliability and safety. The low water cutoff feature prevents pump damage from dry running, enhancing system longevity. The removable cap provides easy access for adjustments and wiring, with detailed instructions included. This switch is essential for maintaining consistent water pressure and providing critical protection for water well systems.

Ensure reliable water pressure and critical pump protection for your professional applications today. Shop the Merrill MPSM43050 Now!