# LS MT-150 Thermal Overload Relay – 690V Protection for Motors

The **LS MT-150 Thermal Overload Relay** is a crucial component for safeguarding your electrical equipment. Designed for industrial applications, this relay provides dependable protection against overloads, ensuring the longevity and safe operation of your machinery. With its robust construction and high-performance capabilities, the **LS MT-150** is a reliable choice for various industrial settings.

This **thermal overload relay** offers a voltage rating of 690V and a maximum impulse voltage of 6kV. It is compliant with IEC 60947, VDE 0660, BS 5424, and K 60947 standards. The **LS MT-150** features a 70GK industrial continuous equipment class 10 trip and class 10A use, and operates effectively in temperatures ranging from 60 to 75 degrees Celsius. It is compatible with copper wire only and has a torque rating of 80 lb.in for AWG 8-0 wire sizes. With a screw terminal for easy installation, a current rating of 113 (95-130)A, and a maximum breaking capacity of 10kA, this relay is designed for use with fuses only, up to 600 volts.

**Key Features:**

-   **Thermal Overload Protection:** Guards against motor damage caused by overcurrents.
-   **Wide Voltage Range:** Suitable for a variety of electrical systems with its 690V rating.
-   **High Breaking Capacity:** Ensures reliable performance in demanding conditions with its 10kA capacity.
-   **Easy Installation:** Features screw terminals for quick and simple setup.
-   **Durable Construction:** Built for longevity in industrial environments.

**Specifications:**

-   Voltage Rating: 690V
-   Maximum Impulse Voltage: 6kV
-   Current Rating: 113 (95-130)A
-   Breaking Capacity: 10kA

The **LS MT-150 Thermal Overload Relay** delivers dependable protection and performance for your electrical systems. Its robust design and compliance with industry standards make it an excellent choice for a wide range of applications. Enhance the safety and efficiency of your industrial or automation systems with the **LS MT-150**. Contact us at [info@ramautomations.com](mailto:info@ramautomations.com) for more details.

## Details

- **Price:** 999.0 USD
- **Vendor:** LS
- **Type:** Industrial Automation > Motor Protection > Overload Relays
- **Tags:** 690V relay, industrial automation, LS, motor protection, MT-150, thermal overload relay

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| New | 999.00 USD | In stock |

## Images

- LS MT-150 Thermal Overload Relay – 690V Protection for Motors-Ram Automations

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> Source: [Ram Automations](https://ramautomations.com/products/ls-mt-150-thermal-overload-relay)
> Updated: 2026-10-02