TRANSFORMERS & ELECTRICAL COMPONENTS
Motor and distribution controls
Identify the control action required when the phase condition changes.
ABB
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04 / Industrial Power, Relays & Interfaces
ABB CM-PFS.S Phase Monitoring Relay
Three-phase relay for detecting phase loss and phase sequence. The screw-terminal reference is identified separately from other CM-PFS connection variants.
- Brand
- ABB
- Manufacturer
- ABB
- Model
- CM-PFS.S · 1SVR730824R9300
- Supply
- Component sourcing on enquiry
- Document reference
- ABB official product data — 1SVR730824R9300
- Order code
- 1SVR730824R9300
- Measuring / supply voltage
- 200–500 V AC, line to line
- Frequency
- 50 / 60 Hz
Technical data & variant selection
| Parameter | Reference data |
|---|---|
| Order code | 1SVR730824R9300 |
| Measuring / supply voltage | 200–500 V AC, line to line |
| Frequency | 50 / 60 Hz |
| Functions | Phase failure and phase sequence monitoring |
| Outputs | 2 changeover contacts |
| Terminals | Screw connection |
| Start-up delay listed | 500 ms |
| Operating temperature | −25 to +60 °C |
This page uses ABB data for the specific CM-PFS.S reference. Supply availability is confirmed in the quotation; matching the family name alone does not establish a drop-in replacement.
Application & interface review
Replacement selection
Check the full reference, connection style and existing control-circuit diagram.
Prepare a precise enquiry
- Complete order code and line-to-line system voltage / frequency.
- Required detection functions and output contact arrangement.
- Existing terminal diagram, load on the relay contacts and mounting space.
Start with the information you have. Send a nameplate photograph or equipment list if the full reference is unknown. We identify the offered brand, complete reference and scope in the quotation.
Plan your enquiry
Use these guides to prepare the information for equipment selection and quotation.