# Loher Calomat CK 143 Thermal Motor Protection Contactor | Loher

The **Loher Calomat CK 143 Thermal Motor Protection Contactor** is an essential component for safeguarding motors from overheating and electrical faults. Designed by **Loher Flender Calomat**, this contactor ensures reliable performance in diverse industrial applications. It is engineered to efficiently manage motor operations, providing dependable protection and extending equipment lifespan.

This contactor operates at a frequency of 50-60Hz with a voltage tolerance of ±15%. The **Loher Calomat CK 143** is equipped with a relay contact featuring a changeover AC 11 configuration according to VDE 0660 standards. Its ambient temperature range spans from -20°C to +50°C, and it holds an IP20 protection rating. Weighing only 180 grams, this unit is easy to install. The **Loher Calomat CK 143** is designed for effective motor protection in various industrial settings.

Key Features:

-   **Thermal Protection**: Protects motors from overheating.
-   **Reliable Performance**: Ensures dependable operation in demanding environments.
-   **Wide Compatibility**: Operates with 50-60Hz frequency and ±15% voltage tolerance.
-   **Changeover Configuration**: Features a changeover AC 11 configuration.
-   **Compact Design**: Lightweight and easy to install.

Specifications:

-   Relay Contact Rating: 1 Wechsler/Changer at 250V/6A
-   Frequency: 50-60Hz
-   Voltage Tolerance: ±15%
-   Ambient Temperature: -20°C to +50°C
-   Protection Rating: IP20
-   Weight: 180 grams

The **Loher Calomat CK 143** provides reliable motor protection, ensuring smooth operation and minimizing downtime. Trust **Loher Flender Calomat** for robust performance and protection in your industrial or automation systems. Contact Ram Automations at [info@ramautomations.com](mailto:info@ramautomations.com) for all your motor protection needs.

## Details

- **Price:** 999.0 USD
- **Vendor:** Loher
- **Type:** Industrial Automation > Motor Protection > Contactors
- **Tags:** Calomat CK 143, electrical contactor, industrial automation, Loher, motor protection, thermal motor protection contactor

## Variants

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

## Images

- Loher Calomat CK 143 Thermal Motor Protection Contactor | Loher-Ram Automations

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> Source: [Ram Automations](https://ramautomations.com/products/loher-calomat-ck-143-thermal-contactor)
> Updated: 2026-09-19