# Terasaki Tzs-AD Earth Leakage Relay - Ground Fault Protection

The Terasaki Tzs-AD Earth Leakage Relay, manufactured by Terasaki Electric Co., Ltd., offers reliable protection for AC power systems at 120/240V. This high-quality device swiftly detects and interrupts ground faults, ensuring electrical system safety and preventing potential damage.

Featuring a sensitivity range of 30/100/300/500/1000mA and operating times as low as 0.04 seconds, the **Terasaki Tzs-AD Earth Leakage Relay** provides versatile protection. With non-operating current settings of 15/50/150/250/500mA and non-operating times from 0.15 to 1.25 seconds. Its compact design and light weight of 200 grams make it easy to install.

-   **Rapid Response:** Operating times as low as 0.04 seconds.
-   **Adjustable Sensitivity:** Sensitivity range of 30/100/300/500/1000mA.
-   **Versatile Protection:** Suitable for residential, commercial and industrial applications.
-   **Compact Design:** Easy to install and integrate into existing systems.

**Specifications:**  
Voltage: 120/240V AC  
Sensitivity: 30/100/300/500/1000mA  
Operating Time: 0.04 seconds (minimum)  
Weight: 200 grams

Originating from Japan, the **Terasaki Tzs-AD Earth Leakage Relay** reflects the precision and quality of Terasaki Electric Co., Ltd. Its robust construction ensures reliable performance, making it ideal for safeguarding electrical systems in diverse settings. Choose Terasaki for dependable electrical protection in your industrial or automation systems.

[Contact Ram Automations](mailto:info@ramautomations.com) for more information.

## Details

- **Price:** 999.0 USD
- **Vendor:** Terasaki
- **Type:** Electrical Components > Relays > Earth Leakage Relays
- **Tags:** earth leakage relay, electrical safety, ground fault protection, industrial automation, Ram Automations, relay, Terasaki, Tzs-AD

## Variants

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

## Images

- Terasaki Tzs-AD Earth Leakage Relay - Ground Fault Protection-Ram Automations

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> Source: [Ram Automations](https://ramautomations.com/products/terasaki-tzs-ad-earth-leakage-relay)
> Updated: 2026-09-19