Cooling Controller EM-3711-CN.5

EMKO ESM-3711-CN is a digital ON/OFF cooling controller designed for refrigeration, cold storage, HVAC, supermarket refrigeration systems, and industrial cooling applications. Featuring a bright 4-digit LED display, compressor control output, adjustable defrost function, and PTC/NTC sensor compatibility, it provides reliable temperature management and energy-efficient cooling control. Its compact DIN panel design, IP65 front protection, and optional RS-485 Modbus communication make it suitable for demanding industrial environments. Ideal For Refrigeration Systems, Cold Rooms, Freezers, Food Processing Equipment, Supermarkets, HVAC Systems, Commercial Cooling Equipment and Industrial Cooling Control

Key Features

• Digital ON/OFF cooling controller
• Built-in defrost control function
• 4-digit LED temperature display
• Compatible with PTC and NTC sensors
• Adjustable temperature setpoint and hysteresis
• Selectable °C / °F display
• Compressor protection delay function
• Sensor fault protection operation
• Adjustable temperature offset
• High and low setpoint limits
• 16A relay output for compressor control
• Optional RS-485 Modbus RTU communication
• Temperature Range:
  • PTC: -50°C to +130°C
  • NTC: -50°C to +100°C
• Relay Output: 16A @ 250VAC
• Supply Voltage: 230VAC