# Electronic Over-Current Relay EOCR-3DD-100-440 – Samwha Protection

Protect your electrical circuits with the reliable **Electronic Over-Current Relay EOCR-3DD-100-440** by Samwha EOCR Ltd. This essential component is designed for industrial automation applications, ensuring the safety and efficiency of your systems. With its robust construction and advanced features, the EOCR-3DD-100-440 provides dependable over-current protection for a variety of electrical setups. Whether you're managing industrial machinery or commercial power distribution, this relay offers peace of mind.

This **Samwha EOCR-3DD-100-440** relay features a current setting range of 10 to 120A and an alert setting range of 50 to 100A, providing comprehensive protection. The 440VAC power supply at 50/60Hz ensures stable operation. Manufactured in Korea, this relay is built to meet high-quality standards. This relay is a valuable asset for any electrical system. You can count on the **EOCR-3DD-100-440** to provide reliable protection and monitoring for your electrical circuits.

-   **Over-Current Protection:** Safeguards against excessive current flow, preventing equipment damage.
-   **Wide Current Range:** Offers a versatile current setting range from 10 to 120A, adaptable to various applications.
-   **Stable Power Supply:** Operates reliably with a 440VAC power supply at 50/60Hz.
-   **Customizable Settings:** Equipped with function selector switches for A1 and A2 power supply adjustments.
-   **Durable Construction:** Built to withstand demanding industrial environments.

**Specifications:**

-   Model: EOCR-3DD-100-440
-   Manufacturer: Samwha EOCR Ltd
-   Current Setting Range: 10 to 120A
-   Alert Setting Range: 50 to 100A
-   Power Supply: 440VAC, 50/60Hz
-   Origin: Korea

Invest in the **Electronic Over-Current Relay EOCR-3DD-100-440** to maintain the integrity of your electrical systems. This product ensures smooth operation and prevents costly downtime. Trust in the quality and performance of Samwha EOCR Ltd products for your industrial automation needs. For inquiries, contact us at [info@ramautomations.com](mailto:info@ramautomations.com).

## Details

- **Price:** 999.0 USD
- **Vendor:** Samwha EOCR Ltd
- **Type:** Industrial Automation > Electrical Components > Relays
- **Tags:** current relay, electrical protection, EOCR-3DD-100-440, industrial automation, over current relay, Samwha

## Variants

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

## Images

- Electronic Over-Current Relay EOCR-3DD-100-440 – Samwha Protection-Ram Automations

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> Source: [Ram Automations](https://ramautomations.com/products/samwha-ecor-3dd-100-440-relay)
> Updated: 2026-09-18