1/8" Liquid Probe ESM-3711-CN Digital PTC ON/OFF Cooling Temp Controller 230VAC

1/8" Liquid Probe ESM-3711-CN Digital PTC ON/OFF Cooling Temp Controller 230VAC


The ESM-3711-CN from Emko Elektonik is a 77x35 panel mount cooling thermostat with included 1/8" liquid probe PTC sensor on 1.5m m lead. Configurable for a huge range of heating and cooling applications. 230 VAC powered.

  • Manufacturer: Emko
Buy more for less:
1-4items$50.59/ each 
5-9items$45.53/ eachsave10%
10or more items$43.00/ eachsave15%
  • $50.58
In stock(2 items available)

The Emko Elektronic ESM-3711-CN Thermostat is a budget-priced On-Off temperature controller with industrial-level reliability. This model includes a liquid probe PTC thermistor and is powered from 230 VAC.

The PTC thermistor models are provided with a waterproof stainless steel PTCS-M6L30.K1.5.1/8” (PTC Liquid Probe with 1.5 mt silicon cable)  to get you up and running immediately. This cable can be extended to 50 meters.

The ESM-3711-CN has one relay output. The Temperature and status of the Relays are shown on the LED Display. 


  • IP65 when mounted in the panel
  • Fully configurable
  • 1 Output for compressor control
  • Operation selection of the compressor operates continously,
  • stops or operates periodically in case of cabinet probe defect
  • Cooling Application
  • NTC Input or PTC Input (Must be determined in order.)
  • ON/OFF Control
  • Adjustable °C and°F
  • Set value boundaries
  • Selectable defrost function (hot gas or electric)
  • Installing parameters using Prokey (Optional)
  • Remote access, data collecting and controlling with ModBus RTU (Optional)
    • SKU
    • Weight
      0.2 kg
    • Dimensions (L x W x H)
      10 x 10 x 6 cm

Power supply: 230VAC (+%15) 50/60 Hz. 1.5 VA

Power consumption: 1.5 VA

Sensor input: PTC (included)

Temperature accuracy: ± % 1 of full scale 

Temperature range: PTC -50°C...150°C / -19,9°C...99.9°C 

Sampling time: 3 readings per second

Display: 4 digit LED

Output 1:  NO, 16(8) A @ 250 VAC at resistive load

  • Cooling

Weight: 120 g

Dimensions: 76mm x 34,5mm x 71mm  

Manufacturer: Emko Elektronic Part No: ESM-3711-CN.

Faulty Goods and Warranty

Where such goods have been supplied we undertake to repair or replace them as quickly as possible.Prior to returning faulty items, please contact us with a description of the fault as one of our engineers might be able to assist you by resolving the issue over the phone.
A Warranty form must be filled out and returned with any goods.

Our standard warranty period is 12 months from the date of purchase unless stated otherwise.

Other warranty periods:

Labjack Products: 5 Years
Atop Products: 3 Years
MeanWell Products: 3 Years
Terracom Products: 3 Years

Warranty is subject to us being satisfied that a defect was caused by defective workmanship or materials and was not caused by or was not substantially contributed to by other factors beyond our control including incorrect installation, alterations or modifications of the product not recommended by the manufacturer.

Returns Policy

If you are dissatisfied with our goods you may return them within 14 days of the dispatch date. Contact us for an authorisation and we will refund your purchase less shipping costs and restocking fees. All returned goods MUST be in AS NEW condition including ALL PACKAGING and DOCUMENTATION / MANUALS etc.

Please note:

  • The product returned will attract a 20% restocking fee.
  • The customer must pay the delivery costs.
  • Non standard, custom made or a specially manufactured or imported products are not returnable.
  • Semiconductors, books and software are not refundable

Full Terms and Conditions

By placing an order with Ocean Controls, you agree to be bound by our Terms and Conditions of Trade.

Related products