# ABB CM-MSS.31S Thermistor Motor Protection Relay - 1SVR730712R1400

Protect your motors with the **ABB CM-MSS.31S Thermistor Motor Protection Relay 1SVR730712R1400**. This relay provides reliable protection and ensures optimal motor performance in various industrial applications.

The **CM-MSS.31S** is designed for use with PTC temperature sensors, featuring a 24 - 240 V AC / DC rated control supply voltage and a 1 N/C + 1 N/O (SPDT) output. It operates on the closed-circuit principle and includes short-circuit and interrupted-wire monitored sensor circuit for enhanced safety.

**Key Features:**

-   **Reliable Motor Protection:** Prevents damage and ensures longevity.
-   **ATEX Certified:** Offers peace of mind with certified safety standards.
-   **Remote Reset:** Allows for automatic, manual, or remote reset options.
-   **Easy Installation:** Features screw connection technology for simple setup.
-   **Durable Design:** Manufactured in Germany for long-lasting performance.

**Specifications:**

-   Rated Control Supply Voltage: 24 - 240 V AC / DC
-   Output Contacts: 1 N/C + 1 N/O (SPDT), 250 V / 4 A
-   Sensor Circuit Monitoring: Short-circuit and interrupted-wire
-   Certifications: ATEX directive 94/9/EC

Trust the **ABB CM-MSS.31S Thermistor Motor Protection Relay** for dependable motor protection in your industrial automation systems. Ensure the safety and efficiency of your motors today.

Also our company name is Ram Automations and also you can contact us on email info@ramautomations.com

## Details

- **Price:** 999.0 USD
- **Vendor:** Ram Automations
- **Type:** Industrial Automation > Motor Protection > Thermistor Relay
- **Tags:** 1SVR730712R1400, ABB, ATEX certified, CM-MSS.31S, industrial automation, motor protection relay, PTC sensor, thermistor motor protection

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 999.00 USD | In stock |

## Images

- ABB CM-MSS.31S Thermistor Motor Protection Relay - 1SVR730712R1400-Ram Automations

---

> Source: [Ram Automations](https://ramautomations.com/products/abb-cm-mss31s-motor-protection-relay)
> Updated: 2026-09-19