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PFB01CM24 – FREQUENCY MONITORING RELAY
Carlo Gavazzi PFB01CM24 frequency monitoring relay with 24–240 V AC supply, 50–60 Hz monitoring range and SPDT relay output for industrial protection systems.
£197.64
Why Choose the Carlo Gavazzi PFB01CM24 Frequency Monitoring Relay?
The Carlo Gavazzi PFB01CM24 is a precise and reliable frequency monitoring relay designed to monitor over-frequency and under-frequency conditions in single-phase AC electrical systems. As part of the Carlo Gavazzi PFB01 monitoring relay series, it provides dependable frequency supervision and protection for industrial automation, control panels and electrical installations.
This monitoring relay continuously checks the frequency of its own AC supply and switches its relay output when configured frequency limits are exceeded. The plug-in design simplifies installation and maintenance, while adjustable alarm delay functions help prevent unwanted switching caused by temporary frequency fluctuations.
With a 24–240 V AC supply range, 50–60 Hz frequency monitoring range and a 1 SPDT relay output, the Carlo Gavazzi PFB01CM24 is suitable for industrial protection and monitoring applications where reliable frequency control is required.
Key Advantages
- Accurate over and under-frequency monitoring relay for AC systems.
- 24–240 V AC supply range suitable for flexible industrial applications.
- Adjustable alarm delay from 0.1–30 s for reliable fault detection.
- Compact plug-in housing design for simple installation and replacement.
- Single SPDT relay output for integration into control circuits.
- Suitable for automation systems requiring dependable electrical monitoring.
Key Features
- Carlo Gavazzi PFB01 monitoring relay series.
- Over-frequency and under-frequency monitoring.
- 50–60 Hz rated frequency monitoring.
- 24–240 V AC operating supply.
- 1 SPDT relay output.
- Plug-in connection system for easy installation.
- LED indication for alarm and relay status.
- Adjustable time delay function for alarm switching.
Reliable Frequency Protection for Industrial Systems
Frequency monitoring relays such as the Carlo Gavazzi PFB01CM24 help protect electrical equipment by detecting abnormal frequency conditions and providing a switching signal to connected control systems. This enables automated responses to frequency faults and improves system reliability.
The PFB01CM24 is designed for industrial automation engineers, panel builders and electrical installers who require dependable monitoring of AC frequency conditions within control and protection systems.
Typical Applications
- Industrial control panels.
- Generator and power monitoring systems.
- Automation and protection circuits.
- Electrical distribution equipment.
- Machinery monitoring systems.
- Industrial energy management applications.
Technical Specifications
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| Mounting Type | Plug-in socket | |
|---|---|---|
| Monitoring Function | Frequency | |
| Time Delay | Adjustable | |
| Coil / Supply Voltage | 110 V AC, 115 V AC, 120 V AC, 208 V AC, 220 V AC, 230 V AC, 24 V AC, 240 V AC, 48 V AC | |
| IP Rating | IP20 | |
| Manufacturer | Carlo Gavazzi | |
| Series | PFB01 | |
| Model | PFB01CM24 | |
| Product type | Frequency monitoring relay | |
| Monitoring function | Over and under frequency | |
| Supply voltage | 24–240 V AC | |
| Rated frequency | 50–60 Hz | |
| Output | 1 SPDT relay | |
| Mounting type | Plug-in | |
| Connection type | Plug-in connection | |
| Alarm delay | 0.1–30 s | |
| Protection rating | IP20 | |
| Dimensions (H × W × D) | approx. 80 × 36 × 94 mm | |
| Approvals | UL approved |
Frequently Asked Questions
What is the Carlo Gavazzi PFB01CM24 used for?
The Carlo Gavazzi PFB01CM24 is used to monitor over-frequency and under-frequency conditions in single-phase AC electrical systems.
What voltage supply does the PFB01CM24 require?
The PFB01CM24 operates from a 24–240 V AC supply.
What frequency range does the PFB01CM24 monitor?
The relay monitors AC frequency in the 50–60 Hz range.
What type of output does the PFB01CM24 provide?
The relay provides a 1 SPDT relay output for connection to industrial control circuits.
Where is the Carlo Gavazzi PFB01CM24 installed?
The PFB01CM24 is typically installed in industrial control panels, automation systems and electrical protection equipment.
Trusted by Industrial Automation Engineers
Carlo Gavazzi monitoring relays are widely used by automation professionals to provide reliable electrical supervision, protection and control within modern industrial systems.
