SKU: 75113
| Attribute | Details |
|---|---|
| Brand | Terasaki Electric Co., Ltd. |
| Product Type | Earth Leakage Relay |
| Model | TZS-MD |
| Operating Voltage | 100/120V AC & 200/240V AC |
| Sensitivity Settings | 100/200/500/1000 mA and 50/100/250/500 mA |
| Time Delay Settings | 0.1/0.3/0.5/1.0/2.0 sec and -/0.15/0.38/0.7/1.25 sec |
| Fixed Setting | 100 mA at 0.1 sec |
| Model Code | 2H0744SAA |
| Country of Origin | Japan |
| Weight | 200 gm |
The Terasaki TZS-MD Earth Leakage Relay is a precision-engineered protection device designed to detect and respond to ground fault currents, ensuring the safety of electrical systems. Manufactured by Terasaki Electric Co., Ltd., a leader in industrial protection technologies, this model delivers rapid and reliable leakage current monitoring across a variety of voltage settings.
With wide input compatibility of 100/120V AC and 200/240V AC, this relay supports multiple selectable current sensitivities ranging from 50 mA to 1000 mA and time delay settings between 0.1 to 2.0 seconds. These features allow for custom-tailored protection to suit different system requirements.
Compact and easy to install, the TZS-MD offers robust safety performance, making it ideal for use in control panels, switchboards, and industrial machinery setups where earth fault protection is essential.

Key Features:
1. Dual Voltage Support: Operates on both 100/120V and 200/240V AC, suitable for global applications.
2. Adjustable Sensitivity: Multiple current trip settings (50 mA to 1000 mA) for flexible protection.
3. Configurable Time Delay: Time settings ranging from 0.1 to 2.0 seconds prevent nuisance tripping.
4. High Accuracy: Detects even small leakages, preventing equipment damage and safety hazards.
5. Compact Design: Lightweight and space-saving, easy to mount inside control panels.
6. Japanese Engineering: Designed and manufactured in Japan for superior reliability.
7. Clear Indicators: Visual status indicators for monitoring relay operation at a glance.
8. Industrial-Grade Durability: Engineered for long-lasting performance in demanding environments.
9. Versatile Configuration: Supports wide protection needs in a variety of system layouts.
10. Trusted Brand: Backed by Terasaki’s global reputation in electrical protection solutions.
Applications:
1. Industrial Control Panels: Prevents damage caused by leakage currents in factory control systems.
2. Power Distribution Boards: Integrated in switchgear for real-time fault detection.
3. HVAC Systems: Monitors earth leakage in motors and electrical components of cooling systems.
4. Elevators & Escalators: Used in commercial installations to enhance safety in automated systems.
5. Building Automation: Offers protection in automated building electrical networks.
6. Water Treatment Facilities: Ensures uninterrupted function by preventing system shorting.
7. Renewable Energy Systems: Protects solar and wind inverters from insulation faults.
8. UPS & Backup Power: Monitors leakage in critical systems like data centers and hospitals.
9. Oil & Gas Installations: Applied in control panels of refineries and drilling operations.
10. Rail and Transport: Protects onboard and station electrical circuits from earth faults.
Discover premium Earth Leakage Relays at Aeliya Marine Tech engineered for rapid fault detection, dependable safety operation, and seamless integration into industrial and electrical protection systems.
Hassle-Free Returns & Refunds at Aeliya Marine Tech
We at Aeliya Marine Tech are committed to your satisfaction. If you encounter any issues with your purchase, we want to ensure a smooth and worry-free resolution. Here's what you need to know about our return and refund policy:
Peace of Mind with a 30-Day Warranty:
We offer a generous 30-day warranty on all products from the date of delivery. If your product isn't functioning properly within this timeframe, you can easily request a replacement or refund.
What Can Be Returned?
- Products that are not working as expected (non-functional)
- Products with condition or malfunction issues
- Products with minor cosmetic damages (excluding damage caused during shipping)
Easy Return Process:
- Gather Proof of Purchase: Locate your receipt or invoice with the PI/PO Number, Invoice Number, and Date of Delivery.
- Contact Us: Reach out to our friendly customer support team at sales@aeliyamarine.com or call us at +91 9725218537.
- Return the Product: Securely package the product in its original packaging (if possible) and ship it to the address below:
Receiving Your Refund:
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Exchanges for Defective or Damaged Items:
We understand the need for a seamless experience. If you receive a defective or damaged item, we offer a straightforward exchange for the same product. Simply contact us via email at sales@aeliyamarine.com, and we'll guide you through the process.
Warranty Validation:
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