Test Block and Test Plug

Arteche’s Test Block and Test Plug system enables safe and efficient secondary injection testing of protection relays without disturbing the wiring of the primary control circuits. The block provides isolation, bypass, and access points for current/voltage injection, ensuring fast and error-free testing of relay schemes. Designed to meet international safety standards, the system guarantees secure disconnection during maintenance, FAT, SAT, and troubleshooting. The robust mechanical design ensures long lifespan and reliable operation even under repeated testing cycles. Widely used by utilities, EPC contractors, and testing teams, Arteche test blocks ensure optimal safety during relay verification.

Key Features

• Safe isolation for secondary injection

• Current/voltage test access points

• Fail-safe locking mechanism

• Long mechanical durability

• Compatible with multi-vendor relays

• DIN/Panel mounting

Applications

• Relay testing & commissioning

• Substation protection maintenance

• FAT/SAT testing

• Industrial electrical systems

Keywords

test block, test plug, relay secondary injection, protection testing interface, Arteche test block