Description
Detailed Parameter Table
| Parameter Name | Parameter Value |
| Product model | GE IC660TSD020 |
| Manufacturer | General Electric (GE) Industrial Automation |
| Product category | Temperature Sensor and Monitoring Module |
| Temperature Sensing Range | -50°C to 150°C |
| Sensing Accuracy | ±0.5°C within the operating range |
| Output Signal | 4 – 20 mA current loop (industry-standard for easy integration with control systems) |
| Response Time | < 2 seconds (fast response to temperature changes) |
| Input Power Requirements | 24V DC ± 10% |
| Protection Features | Over-voltage protection (up to 30V DC); Reverse polarity protection; Transient voltage suppression for electrical noise immunity |
| Interface Type | 2-wire connection for simplicity (reduces wiring complexity); Compatible with standard terminal blocks for easy installation |
| Physical Dimensions (W×H×D) | 75 mm × 50 mm × 30 mm (compact form factor for space-constrained applications); Weight: 100 g |
| Installation Method | Mounting via M3 screws (easy-to-install in various enclosures); Can be installed in horizontal or vertical orientations |
| Operating Temperature Range | -20°C to 70°C (ambient); -40°C to 85°C (short-term storage, < 96 hours) |
| Relative Humidity Tolerance | 5% to 95% RH (non-condensing); Encapsulated design for moisture and dust resistance |
| Certifications | CE, UL 508C, IEC 61010-1; Complies with industry safety and quality standards |
| Compatibility | GE Series 90-30, Series 90-70 PLC systems; Other industrial control systems with 4 – 20 mA input capabilities |
| Diagnostic Indicators | LED indicator (green = normal operation; red = fault condition, e.g., sensor failure or out-of-range temperature) |

GE IC660TSD020
Product Introduction
The GE IC660TSD020 is a high-precision temperature sensor and monitoring module designed for a wide range of industrial applications. Engineered by General Electric’s Industrial Automation division, this module is a reliable solution for accurately measuring and reporting temperature values in diverse environments. It serves as a crucial link in control systems, providing real-time temperature data that enables precise process control and equipment protection.
With its industry-standard 4 – 20 mA output signal, the GE IC660TSD020 can be seamlessly integrated into existing control setups, whether they are part of a GE Series 90-30 or Series 90-70 PLC system, or other industrial control systems equipped to handle this type of input. Its compact size makes it suitable for installations where space is at a premium, while its robust construction ensures reliable operation even in harsh conditions.
Core Advantages and Technical Highlights
High-Accuracy Temperature Sensing: The GE IC660TSD020 offers an impressive sensing accuracy of ±0.5°C within its wide operating range of -50°C to 150°C. This level of precision is vital in applications such as pharmaceutical manufacturing, where strict temperature control is required to ensure product quality. For example, in a pharmaceutical production facility, accurate temperature monitoring during the drug formulation process can prevent batch failures, saving both time and resources. The fast response time of less than 2 seconds allows for prompt detection of any temperature changes, enabling quick corrective actions.
Reliable and Robust Design: The module is equipped with multiple protection features, including over-voltage protection up to 30V DC and reverse polarity protection. Transient voltage suppression capabilities make it highly resistant to electrical noise, which is common in industrial environments. Its encapsulated design protects against moisture and dust, ensuring long-term reliability. In a food processing plant, where the environment may be humid and filled with airborne particles, the GE IC660TSD020 can operate continuously without the risk of sensor degradation due to environmental factors.
Easy Integration and Installation: The 2-wire connection simplifies the wiring process, reducing installation time and costs. The module can be easily mounted using M3 screws, and its flexibility in orientation (horizontal or vertical) allows for versatile installation in different enclosures. In a power generation plant, where space is often limited and equipment needs to be installed quickly, the GE IC660TSD020 can be rapidly integrated into the existing monitoring system, minimizing downtime during installation.
Typical Application Scenarios
In a power generation plant, the GE IC660TSD020 is used to monitor the temperature of critical components such as transformers, generators, and cooling systems. For instance, by continuously monitoring the temperature of a generator’s windings, operators can detect any abnormal heating patterns early on. If the temperature exceeds a pre-set threshold, an alarm can be triggered, allowing maintenance personnel to take immediate action. This proactive approach can prevent costly equipment failures and extend the lifespan of the generator.
In a chemical processing plant, accurate temperature control is essential for ensuring the safety and efficiency of chemical reactions. The GE IC660TSD020 is used to monitor the temperature in reaction vessels. If the temperature drifts outside the optimal range, the control system can adjust the flow of reactants or cooling agents to maintain the desired temperature. This helps to prevent runaway reactions and ensure the quality of the final chemical product.
Related Model Recommendations
GE IC693MDL655: A digital input/output module that can be used in conjunction with the GE IC660TSD020 in a GE Series 90-30 PLC system. It can receive temperature alarm signals from the GE IC660TSD020 and trigger appropriate control actions.
GE IC697MDL740: A high-density analog input module for GE Series 90-70 PLC systems. It can be used to collect temperature data from multiple GE IC660TSD020 modules in large-scale industrial applications, providing comprehensive temperature monitoring across a facility.
GE IC693ACC300: A communication module that enables the GE IC660TSD020 to communicate with other devices in a networked control system. It can transmit temperature data to a central control station for further analysis and reporting.
GE IC693PWR321: A power supply module that provides the necessary 24V DC power to the GE IC660TSD020 and other components in the control system. It ensures stable power supply, which is crucial for the accurate operation of the temperature sensor module.
GE IC697ALG220: An analog output module that can be used to control external devices based on the temperature data received from the GE IC660TSD020. For example, it can adjust the speed of a cooling fan to regulate temperature.

GE IC660TSD020
Installation, Commissioning and Maintenance Instructions
Installation Preparation: Before installing the GE IC660TSD020, ensure that the power supply voltage is within the specified range of 24V DC ± 10%. Gather the necessary tools, including a screwdriver for mounting and wire strippers for connecting the 2-wire interface. Safety precautions: Power off the control system before installation to avoid electrical shock. Verify the polarity of the power supply and sensor wires to prevent damage due to reverse connection. Label the wires clearly for easy identification during installation and future maintenance.
Commissioning & Maintenance Suggestions: During commissioning, calibrate the GE IC660TSD020 using a known reference temperature source to ensure accurate readings. Test the module by exposing it to different temperatures within its operating range and verify that the output signal changes linearly. For daily maintenance, regularly check the LED indicator to ensure normal operation. If the red fault LED is illuminated, use a multimeter to check for any wiring issues or sensor failures. Every 6 months, clean the module gently to remove any accumulated dust or debris, which could affect its performance.
Service and Guarantee Commitment
The GE IC660TSD020 comes with a 36-month manufacturer’s warranty from GE. This warranty covers defects in materials and workmanship under normal industrial use. In the event of a module failure within the warranty period, GE provides a replacement service. For customers with urgent needs, GE offers an expedited replacement option to minimize downtime.
GE also provides 24/7 technical support for the GE IC660TSD020. Customers can reach out to GE’s technical experts via phone or email for assistance with installation, commissioning, and troubleshooting. Free software updates are available for the first year after purchase to enhance the module’s functionality and compatibility with the latest control systems. For customers seeking long-term reliability, GE offers maintenance contracts that include regular on-site inspections and calibration services to ensure the continued accurate operation of the GE IC660TSD020.
Full 12-month warranty on all components
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Full 12-month warranty on all components