The Omron 61F-GPN-V50-AC120 is a leak detection controller from the 61F series, designed to sense conductive liquid presence or absence via a probe circuit. It operates on a 120VAC supply and provides a SPDT (2 Form C) relay output rated at 3A at 250VAC.
Sensitivity and Adjustment
The adjustable sensitivity range of 0 to 50 kOhm lets you tune the detection threshold for the conductivity of the target liquid — set it low for clean water, higher for oils or deionized fluids. This is set via a potentiometer on the unit, so you can dial it in on the bench or in the panel without swapping resistors.
Mounting and Termination
Socketable mounting with an 11-pin octal plug-in base means the controller swaps in seconds without rewiring — pull the old one, plug the spare. The termination style is plug-in, 11 pin (octal), matching standard octal relay sockets found in most control panels.
Listed as active in production. For a critical spare on a legacy tank-farm or sump-pump panel, one in the cabinet saves a downtime event.