ETC-974 Digital Temperature Controller with Dual NTC Sensors

Keep refrigeration temperatures stable while managing cooling, defrosting, and fan operation from one compact unit. The ETC-974 is a programmable refrigeration thermostat designed for cold-storage equipment and cooling systems. Two NTC probes independently monitor cabinet and evaporator temperatures for more responsive control. Its clear display, adjustable alarms, and panel-mount design make daily monitoring straightforward.

Key Features

• Separate relay outputs manage the compressor, defrost heater, and fan.
• Temperature range from -50°C to 110°C with selectable 0.1°C or 1°C resolution.
• Programmable setpoint, differential, compressor delay, defrost cycle, and alarm limits.
• Includes a dual NTC sensor setup for cabinet and evaporator monitoring.
• Compact 71 × 29 mm mounting cutout suits equipment control panels.

Why Choose Our ETC-974

Unlike basic single-relay thermostats, this defrost controller coordinates three essential refrigeration functions. It helps reduce manual adjustments while offering flexible settings for different cooling requirements.

Perfect For

Suitable for refrigerators, freezers, display chillers, cold rooms, beverage cabinets, commercial kitchens, and refrigeration repairs. The 220V temperature controller is ideal for technicians, equipment builders, and experienced DIY installers.

Installation Note

Disconnect the power before installation and follow the supplied wiring diagram. Because the unit operates on mains voltage, installation should be completed by a qualified electrician or refrigeration technician.

Take Better Control of Your Cooling System

Upgrade your equipment with the ETC-974 and enjoy convenient, centralized temperature and defrost management. Order today for a practical addition to your refrigeration setup.