RS PRO ESM Panel Mount PID Temperature Controller 2 Input, 3 Output SSR, Relay 240V PID Controller, On-Off

View all Temperature Controllers

Subtotal (1 unit)*

£184.45

(exc. VAT)

£221.34

(inc. VAT)

Add to Basket
Select or type quantity
In Stock
  • 35 unit(s) ready to ship
  • Plus 1 unit(s) ready to ship from another location
  • Plus 20 unit(s) shipping from 08 April 2026
Need more? Click ‘Check delivery dates’ to find extra stock and lead times.
Units
Per unit
1 +£184.45

*price indicative

RS Stock No.:
222-8141
Distrelec Article No.:
304-25-507
Brand:
RS PRO
Find similar products by selecting one or more attributes.
Select all

Brand

RS PRO

Product Type

PID Temperature Controller

Output Type

SSR, Relay

Number of Inputs

2

Number of Outputs

3

Maximum Current

5A

Maximum Operating Temperature

50°C

Minimum Operating Temperature

0°C

Control Type

PID Controller, On-Off

Maximum Supply Voltage

240V

Display Type

LED

Maximum Voltage

240V

Standards/Approvals

CE

Length

48mm

IP Rating

IP65, IP20

Width

48 mm

Series

ESM

Input Type

Thermocouple, RTD

Mount Type

Panel Mount

COO (Country of Origin):
TR

RS PRO Digital Temperature Controllers - ESM 4420 Series


Introducing a range of high-quality digital temperature control units from the trusted brand RS PRO. These universal input temperature controllers are designed to control and measure temperature values. Upon inspection, the units are sturdy, simple to set up, easy to use, and packed with features. Our digital temperature controllers are available with a choice in supply voltage and power, all operating with a high degree of accuracy.

Also known as


Bang-Bang Controllers

Features and Benefits


  • ESM 4420 Series

  • 4 digits process(PV) and 4 digits process set value(SV) display

  • Universal process input (TC, RTD)

  • Configurable ON/OFF, P, PI, PD and PID control forms

  • Adaptation of PID Coefficients to the system with Self-Tune operation (Step Response Tuning)

  • Programmable Heating or Cooling Functions for Control Output

  • Alarm Functions for Alarm Output

    • Specification


  • Switching current: 5 A

  • Accuracy: 0.25% at Thermocouple, resistance thermometer

  • Ambient temperature: 0°C to +50 °C

  • Storage temperature: -40°C to +85 °C

  • Protection Class: NEMA 4X (IP65 at front, IP20 at rear)

  • Dimensions: 48 mm x 48 mm

    • Input


  • Process Inputs: Universal input TC, RTD

  • Thermocouple input types: Selectable by parameters J, K, R, S, T (IEC584.1) (ITS90)

  • Thermo-resistance input type: PT 100 (IEC751) (ITS90)

    • Output


  • Process Output: Relay (5A@250Vac. at resistive load) and SSR Driver Output: (Maximum 20mA@12Vdc)

  • Alarm Output: Relay (5A@250Vac.resistive load)

    • RS PRO ESM 4420 Series Variants


  • 24 V, RS stock no: 222-8142

  • 100 to 240 V, RS stock no: 222-8141

  • 115 V, RS stock no: 222-8144

  • 230 V, RS stock no: 222-8145

    • Application


  • Textiles

  • Automotive

  • Machine Production

    • Approvals

    EAC, CE

    Related links