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CM-PFS.S Three-phase monitoring relay 2c/o, L1-L2-L3=200-500VAC 50/60Hz
£68.63
Why Choose the ABB 1SVR730824R9300 CM-PFS.S Three-Phase Monitoring Relay?
The ABB 1SVR730824R9300 is a reliable CM-PFS.S three-phase monitoring relay designed to protect industrial equipment by continuously monitoring three-phase electrical networks for phase failure and incorrect phase sequence. This compact monitoring relay provides dependable protection for motors, machines and automation systems where uninterrupted three-phase power quality is essential.
Part of the ABB CM three-phase monitoring relay family, the 1SVR730824R9300 detects phase loss and phase sequence faults using a robust monitoring circuit. When an electrical fault is detected, the output relays de-energise, providing a reliable signal for shutdown circuits, alarms and industrial control systems.
The ABB 1SVR730824R9300 operates with a three-phase 200–500 V AC measuring supply and includes two changeover (2 C/O) relay outputs rated at 250 V / 4 A. Its compact DIN rail mounting design makes it suitable for electrical panels, machine control cabinets and industrial automation installations.
Key Advantages
- Reliable three-phase monitoring relay for industrial protection applications.
- Detects phase failure and incorrect phase sequence.
- 200–500 V AC three-phase monitoring range for industrial power systems.
- Two changeover relay outputs provide flexible control integration.
- Compact 22.5 mm DIN rail housing saves panel space.
- Suitable for motors, compressors, pumps and automation equipment.
Key Features
- ABB CM-PFS.S monitoring relay series.
- Phase failure detection.
- Phase sequence monitoring.
- 2 changeover (SPDT) relay outputs.
- 200–500 V AC three-phase measuring voltage.
- 250 V / 4 A contact rating.
- DIN rail mounting design.
- Screw connection terminals.
- LED status indication for operating and fault conditions.
- Compact industrial enclosure design.
Reliable Three-Phase Power Monitoring
Three-phase monitoring relays such as the ABB 1SVR730824R9300 help prevent damage caused by phase loss, phase reversal and incorrect power conditions. By detecting electrical faults before they affect equipment operation, these relays improve system safety and reduce unexpected downtime.
The CM-PFS.S relay is designed for industrial automation environments where dependable monitoring, fast fault detection and simple installation are required. Its compact DIN rail format allows easy integration into control panels and switchboards.
Typical Applications
- Industrial motor protection systems.
- Pumps and water treatment equipment.
- Compressors and HVAC systems.
- Manufacturing machinery.
- Automation control panels.
- Industrial switchgear and electrical distribution systems.
Technical Specifications
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| Terminal Type | Screw | |
|---|---|---|
| Monitored Supply | Three-phase | |
| Signal / Input Range | 200–500 V AC | |
| Switching Current (A) | 4 A | |
| Mounting Type | DIN rail | |
| Monitoring Function | Three-phase supply | |
| Voltage | 500 V | |
| Phase | Three Phase | |
| Contacts | 1 C/O | |
| IP Rating | IP20 | |
| Manufacturer | ABB | |
| Series | CM-PFS | |
| Product code | 1SVR730824R9300 | |
| Model | CM-PFS.S | |
| Product type | Three-phase monitoring relay | |
| Monitoring function | Phase failure and phase sequence monitoring | |
| Measuring voltage | 200–500 V AC | |
| Frequency | 50 / 60 Hz | |
| Output contacts | 2 C/O (SPDT) | |
| Contact rating | 250 V / 4 A | |
| Mounting type | DIN rail mounting | |
| Connection type | Screw terminals | |
| Protection rating | IP20 | |
| Dimensions (H × W × D) | approx. 85.6 × 22.5 × 103.7 mm | |
| Weight | approx. 0.127 kg | |
| HS Code | 85364900 | |
| Country of Manufacture | Germany |
Frequently Asked Questions
What is the ABB 1SVR730824R9300 used for?
The ABB 1SVR730824R9300 is a three-phase monitoring relay used to detect phase failure and incorrect phase sequence in industrial electrical systems.
What voltage range does this monitoring relay support?
The CM-PFS.S monitors three-phase systems with a measuring voltage range of 200–500 V AC.
How many output contacts are included?
The relay includes two changeover (2 C/O) contacts for flexible control and signalling applications.
How is the ABB 1SVR730824R9300 installed?
The unit is designed for compact DIN rail mounting inside electrical control panels.
What faults can this relay detect?
The relay detects phase loss and incorrect phase sequence to help protect connected equipment.
Trusted by Industrial Automation Professionals Worldwide
ABB CM monitoring relays are trusted by engineers and automation professionals to protect electrical equipment, improve system reliability and maintain safe operation in industrial environments.
