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PTA02CD48 – 214VDC THERMISTOR RELAY + TEST
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.
£73.63
Why Choose the Carlo Gavazzi PTA02CD48 Thermistor Relay?
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.
Key Advantages
- Compact PTC thermistor monitoring relay for motor temperature protection.
- 24–48 V AC/DC supply range for flexible industrial installation.
- 1 SPDT relay output for alarm and control switching applications.
- Integrated test and reset functionality for simplified maintenance.
- Plug-in mounting design enables straightforward installation.
- Helps prevent motor damage caused by excessive operating temperatures.
Key Features
- Carlo Gavazzi PTA thermistor relay series.
- PTC thermistor temperature measurement.
- 24–48 V AC/DC rated supply voltage.
- 1 SPDT relay output.
- Integrated test and reset function.
- 36 mm plug-in housing design.
- Suitable for motor and industrial temperature monitoring applications.
- UL approval available.
Reliable Motor Temperature Protection
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.
Typical Applications
- Electric motor over-temperature protection.
- Pumps and industrial machinery.
- Fans and ventilation systems.
- Automation control panels.
- Industrial motor protection systems.
- Machine building and OEM equipment.
Technical Specifications
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| Mounting Type | Plug-in socket | |
|---|---|---|
| Monitoring Function | Temperature / thermistor | |
| Coil / Supply Voltage | 24 V AC, 24 V DC, 48 V AC, 48 V DC | |
| 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 |
Frequently Asked Questions
What is the Carlo Gavazzi PTA02CD48 used for?
The PTA02CD48 is a PTC thermistor monitoring relay used to protect motors and industrial equipment from excessive temperatures.
What supply voltage does the PTA02CD48 require?
The relay operates from a 24–48 V AC/DC supply.
What type of output does the PTA02CD48 provide?
The relay provides one SPDT relay output for switching alarms or control circuits.
Does the PTA02CD48 include a reset function?
Yes, the relay includes an integrated test and reset function for easier operation and maintenance.
How is the PTA02CD48 installed?
The PTA02CD48 uses a plug-in mounting design with a compact 36 mm housing for control panel installation.
Trusted by Industrial Automation Professionals
Carlo Gavazzi thermistor relays provide reliable temperature monitoring and motor protection solutions for industrial automation, machine building and electrical control applications.
