Samwon SD-72M-RRRN Triple-Relay Industrial Temperature Controller

Introduction – Samwon SD-72M-RRRN Triple-Relay Industrial Temperature Controller

The Samwon SD-72M-RRRN Triple-Relay Industrial Temperature Controller is a high-performance device engineered for precise and reliable temperature regulation across demanding industrial environments. Part of the well-established SD Series, this controller supports a wide range of sensor inputs and offers both PID and ON/OFF control methods, ensuring stable thermal management even in sensitive applications. Its robust triple-relay output design allows seamless integration with heating, cooling, and auxiliary systems.

Built for accuracy and versatility, the SD-72M-RRRN is widely used in industrial machinery, plastics processing, HVAC installations, and food and pharmaceutical production lines. Dubai Sensor supplies this device across the UAE and MENA regions, ensuring engineers and system integrators have dependable access to professional-grade control technology. Its compact 72 × 72 mm form factor makes it ideal for standardized panels, while the high-visibility display ensures clear monitoring of both process value (PV) and set value (SV).

The controller’s multi-input capability—including thermocouples, RTD sensors, voltage, current, and humidity inputs—makes it suitable for a broad range of industrial measurement environments. With advanced alarm functions, including sensor break and heater break detection, the SD-72M-RRRN enhances operational safety and reduces downtime. Designed to operate on universal AC power, it provides flexibility for global and regional installations.

Whether deployed in production automation, laboratory systems, or environmental control units, the Samwon SD-72M-RRRN delivers consistent precision, durability, and ease of integration—making it a trusted choice for engineers targeting stable and efficient temperature management.

Key Features & Benefits

• Multi-input support: Thermocouples (K, J, R, S, B, E, T, C), RTD PT100Ω, 0–10V, 1–5V, 4–20mA, humidity sensor
  
• Triple relay outputs for flexible control of heaters, coolers, alarms, or auxiliary equipment
  
• PID and ON/OFF control modes for stable and accurate temperature regulation
  
• Universal AC power supply (100–240V)
  
• High-clarity PV/SV digital display
  
• Advanced alarm functionality including sensor break and heater break
  
• Compact 72×72 mm controller size with 68×68 mm panel cutout for easy mounting
  
• Max. 10VA power consumption for efficient operation
  

Technical Specifications – Samwon SD-72M-RRRN Triple-Relay Industrial Temperature Controller

Applications & Industries

• Plastic injection molding and thermal control in polymer processing
  
• Food and pharmaceutical production heating/drying systems
  
• HVAC and industrial temperature regulation systems
  
• Industrial machinery and process control equipment
  
• Precise temperature stabilization in laboratory and research environments
  
• Widely used across UAE and MENA industrial sectors via Dubai Sensor
  

Installation, Commissioning & Maintenance

The SD-72M-RRRN is designed for straightforward panel mounting using a standard 68×68 mm cutout. After installation, wiring the multi-input terminals and three relay outputs allows integration with heaters, cooling systems, alarms, and auxiliary devices. Commissioning includes selecting the appropriate sensor type, configuring PID or ON/OFF control mode, and tuning parameters as required.

Routine maintenance involves periodically verifying sensor integrity, checking relay operation, and monitoring alarm functions such as heater break and sensor break detection. The digital display makes it easy to observe PV and SV values during operation, supporting quick diagnostics and adjustments.

Why Choose Samwon SD-72M-RRRN Triple-Relay Industrial Temperature Controller

Engineers and system integrators rely on the SD-72M-RRRN for its stability, accuracy, and ability to handle complex temperature regulation tasks with ease. Its triple-relay output and broad input compatibility make it adaptable to a wide range of industrial settings, from manufacturing lines to precision laboratory systems.

With dependable performance, flexible installation, and support from Dubai Sensor for regional availability, the SD-72M-RRRN delivers exceptional value for mission-critical temperature control applications.

Ordering Guide

Follow these steps when ordering the Samwon SD-72M-RRRN Triple-Relay Industrial Temperature Controller:

1. Confirm the model: SD-72M-RRRN
   
2. Verify required input type compatibility (thermocouple, RTD, voltage, current, humidity sensor)
   
3. Ensure triple relay output meets your system’s heating/cooling control needs
   
4. Check panel cutout size: 68×68 mm
   
5. Confirm power supply availability: 100–240V AC
   
6. Review alarm functionality requirements (sensor break, heater break, etc.)
   

For procurement and technical support in the UAE and MENA region, Dubai Sensor supplies the full Samwon SD Series.

FAQ

What input types does the Samwon SD-72M-RRRN support?
The controller supports thermocouple inputs (K, J, R, S, B, E, T, C), RTD (PT100Ω), DC voltage (0–10V, 1–5V), DC current (4–20mA), and a humidity sensor.

How many outputs does the SD-72M-RRRN have?
It includes three relay outputs, suitable for controlling heaters, coolers, alarms, or auxiliary devices.

Does this model support communication such as RS485?
No. The “N” in the model code indicates no communication capability.

What control methods are available?
The controller offers both PID and ON/OFF control modes.

What is the display functionality?
The digital display shows PV (Process Value) and SV (Set Value) simultaneously.

What is the power supply requirement?
It operates on a 100–240V AC universal power supply.

Is the measuring range fixed?
No. The measuring range depends on the type of sensor connected.

What alarm features are included?
The controller provides advanced alarms, including sensor break detection, heater break detection, and high/low temperature limit alarms.

What are the physical dimensions?
The controller measures W72 × H72 × D107 mm, with a panel cutout size of 68 × 68 mm.

Which industries commonly use this controller?
It is used in plastics processing, industrial machinery, HVAC systems, food and pharmaceutical production, and laboratory applications.

Data Sheet