The GRACO 557746 is a field sensitive magnetic proximity switch designed for use with MSP and MH divider valves. It is constructed for robust industrial environments and is intended to monitor or control the cycle rate of lubrication systems, ensuring reliable operation and feedback within GRACO equipment.

Key Features:

• Field Sensitive Magnetic Proximity Switch
• 5-Pin BH Mini
• Up to 10,000 psi (depending on application and valve series)
• All series progressive families (MSP and MH divider valves)
• Field sensitive magnetic proximity technology
• Available in 115 VAC or 12-32 VDC
• Supports cycle rates up to 200 CPM
• Modular design for easy installation and maintenance
• Reliable feedback for cycle monitoring

Applications:
Used in centralized lubrication systems for industrial machinery, mining, agriculture, and other heavy-duty applications where precise cycle monitoring and control are required.

Installation Notes:

• Using genuine GRACO parts ensures compatibility, reliability, and optimal performance of the lubrication system.
• Ensure power supply matches the switch specification (115 VAC or 12-32 VDC)
• Install without disturbing existing lube lines for minimal downtime
• Follow manufacturer guidelines for wiring and mounting
• Regularly inspect for proper operation and secure connections