Carel IR33V9MR20

Carel IR33V9MR20

Overview

The Carel IR33V9MR20 is a powerful electronic temperature controller from the IR33 series, built for precision and flexibility in refrigeration and HVAC systems. Operating at 230 VAC and equipped with four relay outputs, this unit offers extended control capabilities and compatibility with NTC sensors. Its compact size and LED interface make it ideal for commercial and industrial applications requiring multi-function temperature management.

Key Features

• Supply Voltage: 230 VAC

• Relay Outputs: 4 configurable relays (compressor, defrost, fan, auxiliary)

• Sensor Input: 1 × NTC

• LED Display: Bright red 3-digit readout

• Easy front-panel keypad for navigation and settings

• IP65-rated front for protection in harsh conditions

• Programmable logic and alarms

• Panel-mounted design for seamless integration

Technical Specifications

• Part Number: IR33V9MR20

• Power Supply: 230 VAC ±10%

• Output Relays:

  • Relay 1: Compressor

  • Relay 2: Defrost

  • Relay 3: Fan

  • Relay 4: Auxiliary or alarm

• Sensor Input: 1 × NTC thermistor

• Display: 3-digit red LED

• Protection Class: IP65 (front), IP20 (rear)

• Mounting: Panel mount (DIN 48 × 75 mm)

• Operating Temperature: 0 °C to +55 °C

• Storage Temperature: –25 °C to +70 °C

• Humidity: 10% to 90% RH, non-condensing

• Weight: Approx. 170 g

Applications

• Refrigerated showcases and cabinets

• Cold rooms and walk-in freezers

• Beverage coolers and display cases

• Commercial HVAC systems

• OEM refrigeration control panels

Why Choose the IR33V9MR20

• Four relays for flexible multi-function control

• Compact, robust design for demanding environments

• Clear LED display and easy configuration

• Accurate NTC sensor input for reliable performance

• Ideal for high-capacity or multi-stage cooling systems

Order Now

The Carel IR33V9MR20 Temperature Controller is available and ready for global shipping.

NEW product in original sealed packaging. The product may be of older version or design. The packaging may have markings, signs of discoloration, and wear. DDPARTSSOLUTION Warranty: 1 Year. Manufacturer's Warranty and Support NEVER apply