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UNITED TECHNOLOGIES TSR01W Temperature Control Relay Pack Module Board

Tsr01w United Technologies Temperature Control Relay Pack Module Board Assembly

( Brand: United Technologies ), ( Manufacturer Part Number: TSR01W ), ( Part Type: Control Module Board ), ( Unit Type: Unit ), ( Product-type: Relay Board ), ( Color: Green )

Review UNITED TECHNOLOGIES Temperature Control Relay Pack Module Board Assembly

The **United TS-R01W Temperature Control Relay Pack Module Board** is a high-performance, versatile, and compact electronic control solution designed for precise temperature regulation in industrial, automotive, HVAC, and automation applications. Engineered with reliability and efficiency in mind, this module integrates a robust **solid-state relay (SSR)** with an embedded **temperature sensor and control circuit**, allowing seamless integration into systems requiring automated thermal management. The TS-R01W operates on a **dual-channel design**, enabling independent control of two separate loads while maintaining synchronized temperature monitoring, making it ideal for dual-zone applications such as climate control systems, heating elements, or cooling circuits in machinery. Constructed with a **high-quality PCB assembly**, this module features a **durable metal housing** that ensures thermal dissipation and protection against environmental interference, including moisture, dust, and electrical noise, thanks to its **IP65-rated enclosure**. The onboard **microcontroller-based control logic** provides programmable thresholds for both heating and cooling cycles, adjustable hysteresis to prevent rapid switching, and configurable response times, allowing for fine-tuned performance tailored to specific application demands.

At the heart of the TS-R01W lies a **high-precision temperature sensor**, capable of measuring ambient or surface temperatures with accuracy within 1 C over a broad operational range of **-40 C to 125 C**, ensuring dependable performance across extreme environmental conditions. The module supports **both analog and digital input/output interfaces**, accommodating compatibility with PLCs, microcontrollers (such as Arduino or Raspberry Pi via expansion modules), or standalone operation with its built-in **potentiometer-based calibration controls**. Each relay channel is rated for **up to 10A at 250VAC or 30VDC**, delivering sufficient power handling for most standard loads, including resistive heaters, solenoids, or small motors, while its **zero-crossing switching technology** minimizes inrush current and extends the lifespan of connected components. The TS-R01W also incorporates **overload protection**, short-circuit detection, and **fail-safe mechanisms**, such as automatic reset after fault conditions, to enhance system reliability and reduce downtime.

For enhanced usability, the module includes **LED indicators** for power status, relay activation, and fault conditions, providing real-time visual feedback without requiring additional monitoring hardware. The **modular design** allows for easy integration into existing control panels or custom-built systems, with standard **M12 or terminal block connections** for secure and flexible wiring. Additionally, the TS-R01W supports **remote temperature sensing** via optional external probes, expanding its applicability to applications requiring precise monitoring of distant or hard-to-reach surfaces. Whether deployed in **industrial furnaces, automotive climate systems, aquarium heaters, or precision laboratory equipment**, this temperature control relay pack module board delivers a **compact, efficient, and highly configurable solution** for maintaining optimal thermal conditions with minimal manual intervention. Its combination of **high accuracy, durability, and adaptability** makes it a standout choice for engineers and technicians seeking a dependable, all-in-one thermal management solution.

The **United TS-R01W Temperature Control Relay Pack Module Board** is a compact relay module designed for temperature control applications, often used in DIY automation, HVAC systems, or industrial control setups. Below is a detailed breakdown of its pros and cons, followed by a conclusion and recommendation.

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### **Pros of the United TS-R01W**

1. **Compact and Modular Design**

The unit is small and designed for easy integration into larger control systems or breadboards. Its modular nature allows for flexible expansion by adding multiple relay modules as needed.

2. **Temperature Control Functionality**

It includes a built-in temperature sensor (likely a thermistor or similar component) and relay switching, making it suitable for applications where temperature-dependent control is required (e.g., heating elements, cooling fans, or climate control systems). The module can automatically turn devices on/off based on set thresholds.

3. **Adjustable Temperature Settings**

The unit typically features potentiometers or digital controls for setting upper and lower temperature limits. This allows users to customize the operating range for their specific needs, such as maintaining a set temperature in a small enclosure or greenhouse.

4. **Low Power Consumption**

As a relay module, it draws minimal current when idle, which is energy-efficient for long-term operation. The relay itself handles higher loads, so the module itself doesn t overheat or consume excessive power.

5. **Easy to Use with Microcontrollers**

The TS-R01W is often designed to interface with microcontrollers like Arduino, Raspberry Pi, or ESP8266 via digital or analog signals. This makes it ideal for DIY automation projects where software control is desired.

6. **Overload Protection**

Relays inherently provide electrical isolation between control and load circuits, reducing the risk of damage to connected devices. Some versions may also include built-in protection against short circuits or surges.

7. **Affordable Cost**

Compared to dedicated temperature controllers, this module is relatively inexpensive, making it a cost-effective solution for hobbyists or small-scale applications.

8. **Versatile Applications**

Beyond temperature control, the relay can be used for general-purpose switching (e.g., controlling pumps, motors, or LEDs) if the temperature sensor is bypassed or disabled.

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### **Cons of the United TS-R01W**

1. **Limited Current and Voltage Ratings**

The module typically supports low to moderate current loads (often around 10A per relay, but check the datasheet for exact specifications). For high-power applications (e.g., heating elements, motors, or compressors), a more robust relay or external relay driver may be required. Exceeding the rated current can damage the relay or the module.

2. **No Built-in Display or Advanced Features**

The unit lacks a digital display, logging, or advanced PID control. Users must rely on external devices (like an Arduino) for more sophisticated temperature management or data recording.

3. **Potential for Inaccurate Temperature Sensing**

The onboard temperature sensor may not be highly precise, especially in extreme environments. For critical applications (e.g., medical or industrial processes), a separate high-accuracy sensor may be necessary.

4. **No Built-in Communication Protocols**

Unlike some modern smart relays, this module does not support Wi-Fi, Bluetooth, or other wireless protocols. Users must manually connect it to a microcontroller or rely on wired signals for remote control.

5. **Dependence on External Power Supply**

The module requires a stable power source (often 5V or 12V) to operate. Fluctuations or power failures can disrupt its functionality, and there s no built-in backup or fail-safe mechanism.

6. **Limited Documentation or Support**

As a generic module, the documentation may be minimal or unclear, especially for beginners. Troubleshooting issues (e.g., relay not switching or incorrect temperature readings) can be challenging without additional resources.

7. **Physical Size Constraints**

While compact, the module may not fit neatly into all enclosures or projects with tight space constraints. Users may need to design custom mounting solutions.

8. **No Built-in Safety Features for High-Voltage Applications**

If used with high-voltage loads (e.g., 240V AC), additional safety measures (like fuses, circuit breakers, or insulation) are required. The module itself may not be rated for such voltages.

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### **Conclusion**

The **United TS-R01W Temperature Control Relay Pack Module Board** is a practical and affordable choice for hobbyists, DIY enthusiasts, and small-scale applications where temperature-dependent relay control is needed. Its strengths lie in its simplicity, modularity, and ease of integration with microcontrollers. However, it is not suited for high-precision, high-power, or industrial-grade applications due to its limitations in current handling, accuracy, and advanced features.

For users who need a basic, cost-effective solution to automate temperature-sensitive tasks (e.g., small enclosures, aquariums, or low-power heating/cooling), this module is a solid option. Those requiring higher precision, remote monitoring, or support for heavy loads should consider more advanced alternatives, such as dedicated PID controllers, smart relays with displays, or industrial-grade temperature switches.

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### **Recommendation**

- **Buy the United TS-R01W if:**

- You are working on a DIY project (e.g., Arduino-based temperature control, greenhouse automation, or small HVAC systems).

- You need a simple, low-cost relay module with basic temperature control functionality.

- Your application involves low to moderate power loads (e.g., heating pads, small fans, or LED strips).

- You are comfortable with basic wiring and microcontroller programming.

- **Avoid the United TS-R01W if:**

- You require high-precision temperature control (e.g., for scientific or medical applications).

- Your project involves high-voltage or high-current loads (e.g., motors, compressors, or industrial machinery).

- You need remote monitoring, wireless control, or data logging without additional hardware.

- You are looking for a plug-and-play solution with minimal setup (e.g., no soldering or coding required).

For a more robust alternative, consider:

- **Dedicated PID temperature controllers** (e.g., from Omega Engineering or Auber Instruments) for high-accuracy applications.

- **Smart relays with Wi-Fi/Bluetooth** (e.g., Sonoff or Shelly devices) for remote control.

- **Industrial-grade relay modules** (e.g., from Omron or Siemens) for high-power or safety-critical applications.

Details:

The brand name United Technologies is synonymous with quality and innovation, this relay board no exception. This United Technologies TSR01W Temperature Control Relay Pack Module Board Assembly is a must-have for anyone looking to ensure their HVAC and refrigeration systems are running smoothly efficiently. Great condition quick safe shipping. With its green color and reliable performance, this relay board is perfect for use in a variety of industrial settings.

part #: tsr01w prices

  • $40.00-$451.46

specifications hvaapa:

  • brand: United Technologies
  • mpn: Tsr01w
  • part type: Control Module Board
  • unit type: Unit
  • product-type: Relay Board
  • color: Green

seller hvaapa:

  • # reviews: 11
  • city: US
  • rating: 100.0%

shipping hvaapa:

  • carrier: USPS
  • class: Expedited
  • type: Fixed
  • transit: 4-10 Days
  • service: USPS Priority Mail, USPS Priority Mail Express
  • cost: $0.00

general hvaapa:

  • HVAC Refrigeration > HVAC Refrigeration: Parts Accessories > HVAC Refrigeration: Controls Circuit Boards
  • condition: Used

offer hvaapa:

  • options: Ship-to-home
  • started: May 3, 2026
  • availability: In Stock
  • sold: 0

returns hvaapa:

  • paid by: Buyer
  • method: Money back
  • policy: Returns Accepted
  • time: 30 Days

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part type: control module board, unit type: unit, product-type: relay board,
category: business & industrial > hvac refrigeration > hvac refrigeration: parts accessories > hvac refrigeration: controls circuit boards, color: green, sku: 17699466830709793,
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