Switch-Pro Level Controller



  • Polypropylene enclosure
  • Hazardous applications
  • Easy set-up w/ LED indicators

Switch-Pro Level Controller

The Switch-Pro Remote Level Controller available in CSA approved, general purpose (LC4X) or isolation (LC9X) versions with built-in intrinsic safety barriers for use with associated apparatus, the level controller is offered in three configurations for pump and valve control.

The LC40/90 accepts one level sensor input and provides one 10A relay.

The LC41 accepts two level sensor inputs and provides one latching 10A relay for automatic fill or empty control.

The LC42/92 accepts three level sensor inputs with one latching 10A relay output for automatic fill or empty control, and a second non-latching 10A relay for high level alarm or low-level alarm.

The optional NEMA 4X polycarbonate enclosure is a great choice for field mount installations and comes complete with a DIN rail mounting kit.

Features of the Switch-Pro Remote Level Controller include:

  • ​LED indicators provide user with power, sensor and relay status.
  • Fail-safe relay control of pumps and valves with 0-60 second time delay
  • PP 35 mm DIN enclosure with removable terminal strips
  • Contact type: (2) SPDT relays
  • Sensor inputs: (1-3) level switches
  • Enclosure rating: None
  • Enclosure mount: 35mm DIN rail

Ordering More Than Five?: If you require five or more units, contact our sales team for a quote.


Manufacturer: Flowline

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Product Specification

The Switch-Pro Remote Level Controller is offered in three versions with 1 or 2 relays and 1-3 sensor inputs.


Specification Detail of the Switch-Pro Remote Level Controller:

LED Indication Sensor

Power & relay

Enclosure Material



5 watts max

Sensor Inputs

Up to 3 level switches

Operating Temp Range

-40° to 60°C

Sensor Supply

13.5 VDC @ 27 mA

Contact Output

Selectable NO / NC

Contact Rating

250 VAC @ 10A

​​Contact Delay

0-60 seconds

Enclosure Type

35m DIN rail

Supply Voltage

120 / 240 VAC, 50-60 Hz




General Purpose