Carlo Gavazzi PTA02CD48 PTC thermistor relay with 24–48 V AC/DC supply, SPDT relay output and test/reset function for industrial motor temperature protection.
£86.62
The Carlo Gavazzi PTA02CD48 is a reliable PTC thermistor monitoring relay designed for temperature protection of motors and industrial equipment. As part of the Carlo Gavazzi thermistor relay range, it provides accurate over-temperature monitoring by measuring PTC thermistor sensors embedded in motor windings and other temperature-critical applications.
This compact monitoring relay combines dependable temperature supervision with integrated test and reset functionality. The PTA02CD48 helps protect motors from overheating by switching its relay output when the connected PTC sensor detects an excessive temperature condition, improving equipment reliability and operational safety.
With a 24–48 V AC/DC supply voltage, a single SPDT relay output and a 36 mm plug-in housing, the PTA02CD48 is suitable for industrial control panels, motor protection systems and automation installations where reliable thermal monitoring is required.
Thermistor monitoring relays such as the Carlo Gavazzi PTA02CD48 provide an effective method of protecting motors by continuously monitoring PTC sensors installed in motor windings. When a temperature limit is reached, the relay output can be used to trigger alarms, disconnect equipment or initiate protective control actions.
The PTA02CD48 is designed for industrial automation engineers and maintenance teams requiring dependable thermal monitoring in electrical control systems. Its compact plug-in format and flexible AC/DC supply range allow easy integration into a wide variety of applications.
| Manufacturer | Carlo Gavazzi |
|---|---|
| Series | PTA Thermistor Relays |
| Model | PTA02CD48 |
| Product type | PTC thermistor monitoring relay |
| Measurement method | PTC thermistor input |
| Rated supply voltage | 24–48 V AC/DC |
| Output | 1 relay |
| Relay contact type | 1 SPDT |
| Mounting type | Plug-in |
| Housing width | 36 mm |
| Reset / test function | Yes |
The PTA02CD48 is a PTC thermistor monitoring relay used to protect motors and industrial equipment from excessive temperatures.
The relay operates from a 24–48 V AC/DC supply.
The relay provides one SPDT relay output for switching alarms or control circuits.
Yes, the relay includes an integrated test and reset function for easier operation and maintenance.
The PTA02CD48 uses a plug-in mounting design with a compact 36 mm housing for control panel installation.
Carlo Gavazzi thermistor relays provide reliable temperature monitoring and motor protection solutions for industrial automation, machine building and electrical control applications.
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2025 has been a big year for LED Controls, and our blog has expanded accordingly. We've covered a wide range of topics across industrial control and factory automation this year. From core technology explainers and new product releases to panel building best practice...
2025 has been a big year for LED Controls, and our blog has expanded accordingly. We've covered a wide range of topics across industrial control and factory automation this year. From core technology explainers and new product releases to panel building best practice...