# Over Current Relay CST 11 by Terasaki Electric Co

The **Over Current Relay Terasaki Electric Co CST 11** is a crucial component for safeguarding electrical systems. This relay, manufactured by **Terasaki Electric Co**, is engineered to detect and respond to excessive current flow, preventing damage to equipment and ensuring operational safety. Ideal for industrial automation and marine applications, the **CST 11** offers reliable protection against overloads and short circuits.

This **CO-CST 11** relay, with a rating of 1027A at 60Hz and taps ranging from 95% to 115%, provides precise current control. Its compact design and robust build make it a dependable choice for various electrical setups. The **CST 11** is designed for easy installation and long-lasting performance, offering a practical solution for current monitoring.

-   **Precise Current Monitoring:** Ensures accurate detection of overcurrent conditions.
-   **Reliable Protection:** Guards electrical systems from potential damage.
-   **Durable Construction:** Built to withstand demanding industrial environments.
-   **Easy Installation:** Designed for straightforward setup and integration.

**Specifications**

Model: CO-CST 11  
Current Rating: 1027A  
Frequency: 60Hz  
CT: 1500/5A  
Taps: 95% to 115%  
Weight: 2.160 kg

The **Terasaki Electric Co CST 11** relay embodies reliability and performance. Use this relay to ensure dependable operation in your industrial or automation systems. For further inquiries contact us at [info@ramautomations.com](mailto:info@ramautomations.com).

## Details

- **Price:** 999.0 USD
- **Vendor:** Terasaki Electric Co
- **Type:** Electrical Components > Relays > Over Current Relays
- **Tags:** CO-CST 11, CST 11, current monitoring, electrical protection, over current relay, Terasaki Electric Co

## Variants

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

## Images

- Over Current Relay CST 11 by Terasaki Electric Co-Ram Automations

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> Source: [Ram Automations](https://ramautomations.com/products/terasaki-cst-11-over-current-relay)
> Updated: 2026-09-18