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Floatless Relay, 51F Series

Floatless Relay, 51F Series

Highly reliable electrode type surface relay that electronically detects and manages surface changes. Compact plug-in type.

[Features]
· High consumption relay substrate is easy to do replacement work on during maintenance due to the adoption of the unit method.
· Power, operation can be easily viewed with 2-color LED display.
· All varieties can be mounted with IEC rail mounting.
· High sensitivity, long distance models also available.
· Compact plug-in type comes with LED lamp.

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Japanese Only

Part Number

Configured Part Number is shown.

Part Number
51F-GPNB
51F-GPNHB
51F-GPNLB
Part NumberVolume DiscountDays to ShipSensitivity Ambient Operating Temperature
(°C)
Output contact capacity
2 Day(s) or more Standard-10 to 55250 VAC 3A (Resistor Load), 250 VAC 2A (Conductor Load)
31 Day(s) or more High sensitivity-10 to 55250 VAC 3A (Resistor Load), 250 VAC 2A (Conductor Load)
31 Day(s) or more Long Distance Type-10 to 55250 VAC 3A (Resistor Load), 250 VAC 2A (Conductor Load)

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Basic Information

Application Liquid surface control Contact Configuration Other Terminal shape Socket / plug-in
Contact rated current (minimum value for AC and DC)(A) 3 Coil rated voltage (AC)(V) 250 Dimension height(mm) 60
Dimension width(mm) 39 Dimension depth(mm) 65 Type Electrolyte Type Level Relay
Specifications Compact Plug-In Type/ Compatible with Other Manufacturers' Products Features For Automatic (Waste) Water Supply Operations Rated power supply voltage 100 to 110/ 200 to 220 VAC 50/ 60 Hz

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