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Dual Input Automatic Fill or Empty Relay Controller   
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LVCN20-Series

Dual Input Automatic Fill or Empty Relay Controller   

  • Mounts Directly on Sensor or OMEGA ® Track System
  • Two Sensor Input for Latching Capability
  • Control Automatic Fill or Empty Operations
  • Invert Switch Reverses Process Logic in Response to Sensors
LVCN20-Series
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Dual Input Automatic Fill or Empty Relay Controller    LVCN20-Series LVCN20-Series
Product Overview
  • Conduit Connection 1/2 in NPT
  • Control Output SPDT Relay
  • Diameter 2.8 in
  • Enclosure Material Polypropylene
  • Enclosure Ratings IP67, NEMA Type 4X
  • Height 4.7 in
  • Materials, Wetted Polypropylene
  • Mounting Vertical
  • Output Detail Isolated and sealed single pole double throw (SPDT) relay, Form C
  • Power Consumption 5 W
  • Process Connection Size 3/4 in
  • Process Connection Type NPT Female
  • Process Temperature, Max 70 °C
  • Relay Voltage, Max 120 Vdc or 240 Vac
  • Sensor Excitation Nominal 13.5 Vdc, 27 mA maximum
  • Series ID LVCN20-Series
  • Supply Power Note Selectable, 120 or 240 Vac, 50 to 60 Hz.
  • Supply Voltage 120/240 Vac
  • Switch Operation Selectable, NO or NC states
  • Switching Current 10 A
  • Time Delay 0.15 to 60 sec

Supported Applications

The Omega LVCN-20 Series is a dual input automatic fill or empty relay controller designed for pump and valve control. The series accepts one or two level switches as inputs to manage the automatic filling or emptying of tanks.

  • Dual input configuration for tank filling
  • Dual input configuration for tank emptying

Operating Conditions & Performance

The controller operates within an ambient temperature range of F: -40° to 158°, C: -40° to 70°. It is housed in a NEMA 4X (IP65) enclosure constructed from PP (U.L. 94 VO) and Polycarbonate, featuring a 3/4" NPT mount with a 300° swivel base.

  • Supply voltage: 120 / 240 VAC, 50 - 60 Hz
  • Sensor supply: 13.5 VDC @ 27 mA
  • Contact rating: 250 VAC, 16A (resistive load)
  • Power consumption: 5 Watts max.

Configuration Options

The LVCN-20 Series features a single SPDT Relay with latching capability. The contact output is selectable as NO or NC, and the controller includes LED indication for sensor, relay, and power status. A configurable contact delay ranges from 0 to 60 seconds.

  • Inputs: (1 or 2) level switches
  • Contact type: SPDT Relay, Latched
  • Latch selection: On/Off selectable
  • Conduit entrance: Single, 1/2" NPT

Key Product Differences

The series includes specific model variations to address regional compliance and power requirements. The LVCN-20 is the standard dual input automatic fill or empty relay controller. A CE approval variant (LVCN-20-CE) meets EN 61326 EMC and EN 61010-1 Safety standards.

  • LVCN-20: Dual Input Automatic Fill or Empty Relay Controller
  • LVCN-20-CE: Dual Input Automatic Fill or Empty Relay Controller with CE approval
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