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PWA01CM235A – 240V 1/3-PH.COS PHI RELAY
Carlo Gavazzi PWA01CM235A cos phi monitoring relay for three-phase 208–240 V AC motor load monitoring and industrial automation applications.
£130.35
Why Choose the Carlo Gavazzi PWA01CM235A Cos Phi Monitoring Relay?
The Carlo Gavazzi PWA01CM235A is a reliable three-phase cos phi monitoring relay designed for monitoring motor load conditions and detecting underload or overload situations in industrial electrical systems. As part of the Carlo Gavazzi PWA01 power monitoring relay series, it provides accurate power factor monitoring for motor protection and automation applications.
This monitoring relay measures the power factor (cos phi) of AC motors and electrical loads, helping identify changes in operating conditions that may indicate mechanical problems, loss of load or inefficient operation. Its compact plug-in design simplifies installation in control panels and industrial equipment.
With a 208–240 V AC supply range, support for direct current measurement up to 5 A or measurement via compatible MI current transformers, and a 1 SPDT relay output, the PWA01CM235A is suitable for reliable monitoring of three-phase motors, pumps, fans and industrial machinery.
Key Advantages
- Compact cos phi monitoring relay for motor load supervision.
- Three-phase 208–240 V AC monitoring for industrial applications.
- Measures power factor to detect motor load changes.
- Supports direct measurement up to 5 A or connection through MI current transformers.
- 1 SPDT change-over relay output for control and alarm functions.
- Plug-in housing design for straightforward panel installation.
Key Features
- Carlo Gavazzi PWA01 power monitoring relay series.
- Three-phase cos phi monitoring function.
- 208–240 V AC supply voltage.
- Measurement range up to 5 A or with MI current transformers.
- 1 x SPDT relay output.
- Plug-in electrical connection.
- 36 mm compact housing design.
- UL approval available.
Reliable Motor Load Monitoring for Industrial Systems
Cos phi monitoring relays such as the Carlo Gavazzi PWA01CM235A provide an effective method of supervising motor operation by measuring the relationship between voltage and current. Changes in power factor can indicate abnormal operating conditions, allowing control systems to respond quickly.
The PWA01 series is designed for industrial automation engineers and machine builders requiring dependable electrical monitoring. Its compact plug-in format, relay output and compatibility with current transformers make it suitable for integration into a wide range of control and protection systems.
Typical Applications
- Motor load monitoring and protection systems.
- Pumps and water handling equipment.
- Fans and ventilation systems.
- Industrial machinery and automation equipment.
- Process control installations.
- OEM electrical control panels.
Technical Specifications
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| Mounting Type | Plug-in socket | |
|---|---|---|
| Monitoring Function | Power / cos φ | |
| Monitored Supply | Three-phase | |
| Time Delay | Adjustable | |
| Coil / Supply Voltage | 208 V AC, 220 V AC, 230 V AC, 240 V AC | |
| Manufacturer | Carlo Gavazzi | |
| Series | PWA01 Power Monitoring Relays | |
| Model | PWA01CM235A | |
| Product type | Cos phi monitoring relay | |
| Monitoring function | Power factor (cos phi) | |
| Supply voltage | 208–240 V AC | |
| Three-phase voltage range | 208–240 V AC | |
| Current measurement range | Up to 5 A or via MI current transformers | |
| Cos phi measurement range | 0.1–0.99 | |
| Frequency range | 45–65 Hz | |
| Output | 1 x SPDT change-over contact | |
| Mounting type | Plug-in | |
| Connection type | Plug-in connection | |
| Housing width | 36 mm | |
| Time delay | No delay adjustment |
Frequently Asked Questions
What is the Carlo Gavazzi PWA01CM235A used for?
The PWA01CM235A is used for monitoring the power factor (cos phi) of three-phase AC motors and electrical loads in industrial applications.
What voltage supply does the PWA01CM235A require?
The Carlo Gavazzi PWA01CM235A operates with a 208–240 V AC supply.
What current measurement range does this relay support?
The relay supports measurement up to 5 A directly or through compatible MI current transformers.
What type of output does the relay provide?
The PWA01CM235A provides a 1 x SPDT change-over relay output for switching and alarm applications.
How is the PWA01CM235A installed?
The relay uses a compact plug-in housing design for installation in industrial control panels.
Trusted by Industrial Automation Professionals
Carlo Gavazzi monitoring relays are widely used in industrial automation and control systems to provide dependable electrical monitoring, motor protection and efficient machine operation.
