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CM-MSS.12S Therm. motor protec. relay 1c/o, 24VAC/DC
£51.87
Why Choose the ABB 1SVR730700R0100 CM-MSS.12S Thermistor Motor Protection Relay?
The ABB 1SVR730700R0100, also known as the CM-MSS.12S thermistor motor protection relay, is a compact and reliable motor monitoring relay designed to protect motors equipped with PTC temperature sensors. As part of the trusted ABB CM-MSS thermistor motor protection relay range, it provides dependable thermal monitoring and protection for industrial motors in automation and control applications.
This relay continuously monitors PTC thermistor sensors embedded in motor windings to detect excessive temperature conditions. When an overheating condition is identified, the relay switches its output contacts to help prevent motor damage and improve system reliability. The device features automatic reset functionality once the fault condition has been removed.
With a 24 V AC/DC control supply, one sensor circuit and a 1 changeover (SPDT) output contact, the ABB CM-MSS.12S is ideal for motor protection applications requiring compact DIN rail mounting, reliable monitoring and straightforward integration into industrial control systems.
Key Advantages
- Reliable thermistor motor protection relay for industrial applications.
- Protects motors using integrated PTC temperature sensors.
- 24 V AC/DC control supply supports common industrial control voltages.
- Automatic reset after removal of overheating conditions.
- Compact DIN rail mounting design saves panel space.
- Reliable ABB quality for motor monitoring and protection systems.
Key Features
- ABB CM-MSS thermistor motor protection relay series.
- Model: CM-MSS.12S.
- Product ID: 1SVR730700R0100.
- 1 sensor circuit for PTC thermistor monitoring.
- 1 C/O (SPDT) output contact.
- 24 V AC/DC rated control supply voltage.
- Automatic reset function.
- Screw terminal connection technology.
- Compact DIN rail mounting format.
Reliable Motor Protection and Temperature Monitoring
Thermistor motor protection relays such as the ABB CM-MSS.12S provide direct monitoring of motor winding temperature through PTC sensors. This allows early detection of overheating caused by overload, excessive switching frequency, insufficient cooling or demanding operating conditions.
The compact design of the CM-MSS range allows easy integration into industrial control panels. Its screw terminals, automatic reset function and dependable switching performance make it suitable for a wide range of motor protection applications.
Typical Applications
- Industrial motor protection systems.
- Pumps and ventilation equipment.
- Machine automation systems.
- Manufacturing and processing machinery.
- Motor control panels and electrical cabinets.
- Industrial equipment requiring thermal motor monitoring.
Technical Specifications
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| Terminal Type | Screw | |
|---|---|---|
| Monitoring Function | Temperature / thermistor | |
| Switching Current (A) | 4 A | |
| Load Voltage | 250 V AC | |
| Mounting Type | DIN rail | |
| Coil / Supply Voltage | 24 V AC, 24 V DC | |
| IP Rating | IP20, IP50 | |
| Manufacturer | ABB | |
| Series | CM-MSS | |
| Model | CM-MSS.12S | |
| Product ID | 1SVR730700R0100 | |
| Product type | Thermistor motor protection relay | |
| Sensor circuits | 1 | |
| Control supply voltage | 24 V AC/DC | |
| Output | 1 C/O (SPDT) contact | |
| Rated operational voltage | 250 V AC | |
| Rated operational current | 4 A at 230 V AC | |
| Terminal type | Screw terminals | |
| Protection rating | IP50 housing / IP20 terminals | |
| Mounting | DIN rail mounting | |
| Dimensions (H × W × D) | approx. 85.6 × 22.5 × 103.7 mm | |
| Weight | approx. 0.113 kg | |
| HS Code | 85364900 | |
| Country of Manufacture | Germany |
Frequently Asked Questions
What is the ABB 1SVR730700R0100 used for?
The ABB 1SVR730700R0100 is a thermistor motor protection relay used to monitor PTC temperature sensors in motor windings and protect motors from overheating.
What is the product name of ABB 1SVR730700R0100?
The product is the ABB CM-MSS.12S thermistor motor protection relay.
What supply voltage does this relay require?
The CM-MSS.12S operates with a 24 V AC/DC control supply voltage.
How many output contacts does the relay have?
The relay features a 1 C/O (SPDT) output contact for switching control circuits.
How is the ABB CM-MSS.12S mounted?
The relay is designed for compact DIN rail mounting inside industrial control panels.
Trusted by Industrial Automation Professionals
ABB CM-MSS thermistor motor protection relays are widely used by automation engineers and electrical professionals to provide reliable motor temperature monitoring, protection and improved equipment longevity.
