Terasaki OCR Checker TNS-3

The Terasaki OCR Checker TNS-3 is a specialised testing tool designed to ensure the reliable performance of Terasaki ACB protection relays and circuit breakers. Ideal for professionals working in electrical maintenance and safety compliance checks, the TNS-3 facilitates precise testing of various trip functions such as long time-delay, short time-delay, instantaneous, and ground fault trips. Its robust design and easy-to-use interface make it an invaluable asset for maintaining electrical systems and troubleshooting issues.

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• Accurate testing of long and short time-delay, instantaneous, and ground fault trip functions.
• Ability to test pre-trip alarm functionality of protective relays (OCR).
• Intuitive design with a user-friendly control push button interface.
• Operates efficiently within a temperature range of 0 °C to +35 °C.
• Compact and lightweight at just 1.1 kg (without accessories).
• Durable and reliable construction suited for various conditions.

• Improves safety and reliability across electrical systems.
• Reduces downtime by quickly identifying and resolving system issues.
• Provides peace of mind by ensuring compliance with safety standards.
• Lightweight and portable for easy transportation and use across sites.
• A trusted solution for both professionals and educators.

• Electrical System Maintenance — Perform routine checks to verify the functionality of relays and circuit breakers, ensuring the safety and performance of electrical systems.
• Troubleshooting and Diagnostics — Quickly identify and solve issues within protective devices, minimising downtime and maintaining reliable electrical operations.
• Safety Compliance Checks — Verify that safety mechanisms are active and effective, ensuring adherence to safety standards for electrical infrastructure.
• Educational and Training Purposes — Provide trainees, electricians, and engineers hands-on experience in testing and understanding the operation of relays and breakers.
• Quality Assurance in Manufacturing — Test the functionality and reliability of newly produced or repaired electrical components before deployment or return to service.