GRACO 564015 - Switch, Low Level Assembly M55

Single pole-single throw, normally closed low level switch designed for explosion-proof pump applications. Mounts in the last pump station opposite the drive end to detect low lubricant levels and provide automated shutdown protection.

Specifications

• Thread: 1/2 NPT conduit connection
• Electrical Rating: 10 watts @ 120 VAC (minimum)
• Switch Type: single-pole, single-throw
• Field Changeable: May be changed in the field
• Dimensions: 1.75 x 8.88 x 1.000 inches
• Pole Configuration: Single-pole, single-throw
• Electric Rating: 10 watts @ 120 VAC (minimum)

Features

• Single pole-single throw, normally closed operation
• Field changeable configuration
• Explosion-proof design for hazardous locations
• 1/2 NPT conduit connection
• Low level detection capability

Applications

• MBL Box Lubricator low level monitoring
• Pump station lubrication systems
• Automated pump shutdown on low lubricant level
• Industrial lubrication monitoring

Compatible Equipment

• MBL Box Lubricators
• Multi-pump lubrication systems

Related Parts

• 563013 - Single-Pole, Double-Throw Low Level Switch, 1/2 NPT Conduit Connection
• 24K466

Formerly Option L2. This option is mounted in the last pump station opposite the drive end. Exception: when shaft rotation alarm option is specified, it is mounted in the third to last pump station. Sold separately and installed in field. Reduces maximum pump quantity by 1 when using this accessory. N.C. Electric Rating is 10 watts @ 120 VAC (minimum). Mounted in the last pump station. Exception is when an Alarm Pump is used, then this option is mounted in the second to the last pump station. Mounted in the last pump station opposite drive. Exception is when an Alarm Pump is used, then this option is mounted in the second to the last pump station.

Reference Manuals

• L51020EN-E (Page 4)
• 334210 (Page 9)
• 3A2100 (Page 15)
• 3A2953 (Page 10)
• 3A3006 (Page 13)