#CECertification

Configuration and Performance of ODES ANSI-Type Test Switches

Beyond Safe Operation — What Defines a Good Test Switch In protection and control systems built to ANSI standards, performance is not just about “safe switching.” Engineers must also evaluate configuration flexibility, installation practicality, and environmental endurance . The TSBA Series ANSI-Type Test Switch from ODES was developed with these parameters in mind. It provides modular configuration options, robust electrical ratings, and accessories tailored for modern

TonyZhang

Oct 153 min read

ODES ANSI-Type Test Switches for Secondary Circuits

Re-engineering Safety in Relay Testing In ANSI-based protection systems, commissioning teams must achieve two goals simultaneously: guarantee zero CT open-circuit risk and complete isolation, measurement, and verification within limited panel space . A well-designed ANSI-type test switch and plug assembly transforms these complex tasks into a single, repeatable operation. The ODES TSBA Series Test Switch from ODES is purpose-built for this environment. It inco

TonyZhang

Oct 133 min read

Wiring and CT Short-Circuit Logic in the ODES TSB-14 Testblock

During protection testing, engineers often need to isolate the protection relay from its connected CT, PT, and control circuits while maintaining circuit integrity and operator safety. The ODES TSB-14 Testblock , when paired with its test handle, performs three critical tasks in one motion: Controlled isolation between the relay and external circuits. Automatic CT short-circuiting to protect the CT secondary. Structured timing that guarantees “short first, open later.” T

TonyZhang

Oct 122 min read