Carlo Gavazzi PPB01CM23 three-phase monitoring relay for phase loss, phase sequence, overvoltage and undervoltage detection in 208–240 V AC industrial electrical systems.
£161.55
The Carlo Gavazzi PPB01CM23 is a compact and reliable three-phase voltage monitoring relay designed to protect industrial equipment by monitoring phase loss, phase sequence, overvoltage and undervoltage conditions. As part of the trusted Carlo Gavazzi PPB01 monitoring relay series, it provides dependable protection and control for motors, machinery and industrial electrical systems.
This monitoring relay continuously checks three-phase AC supplies and provides relay switching when abnormal voltage conditions or phase faults are detected. Its compact 36 mm plug-in housing enables straightforward installation within electrical control panels, while regenerated voltage detection improves protection reliability in motor applications.
With a 208–240 V AC three-phase monitoring range, 50–60 Hz operation and a single SPDT relay output, the PPB01CM23 is suitable for industrial applications requiring reliable voltage monitoring and equipment protection.
Three-phase monitoring relays such as the Carlo Gavazzi PPB01CM23 help maintain reliable operation of electrical systems by detecting supply faults before they can damage motors and connected equipment. Monitoring voltage levels and phase conditions improves system safety, reduces downtime and helps prevent incorrect machine operation.
The PPB01 series is designed for industrial automation engineers and electrical installers requiring dependable protection devices with straightforward panel integration. Its compact plug-in format allows efficient installation within control cabinets and machinery systems.
| Manufacturer | Carlo Gavazzi |
|---|---|
| Series | PPB01 |
| Model | PPB01CM23 |
| Product type | Three-phase voltage monitoring relay |
| Monitoring functions | Phase loss, phase sequence, overvoltage and undervoltage |
| Voltage range | 208–240 V AC |
| Input phases | 3-phase |
| Frequency | 50–60 Hz / 50–400 Hz |
| Output type | SPDT relay output |
| Number of outputs | 1 relay |
| Mounting type | Plug-in mounting |
| Housing dimensions (H × W × D) | 80 × 36 × 94 mm |
| Protection rating | IP20 |
| Alarm delay | 0.1–30 s |
The PPB01CM23 is a three-phase monitoring relay used to detect phase faults and voltage conditions including phase loss, phase sequence, overvoltage and undervoltage.
The relay monitors three-phase supplies across a range of 208–240 V AC.
The PPB01CM23 detects phase loss, incorrect phase sequence, overvoltage and undervoltage conditions.
The relay provides a single SPDT relay output for connection to industrial control circuits.
The PPB01CM23 uses a 36 mm plug-in mounting design for installation in electrical control panels.
Carlo Gavazzi PPB01 monitoring relays are widely used in industrial control systems to provide dependable three-phase protection, voltage monitoring and reliable equipment operation.
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LED Controls is a specialist distributor of factory automation and industrial controls, supplying OEMs, machine builders, panel builders and end users throughout the UK and worldwide. As a trusted UK distributor for many of the world’s leading automation manufacturers, we provide industrial control products, technical expertise and bespoke automation solutions backed by outstanding customer service.
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...