Spring Loaded Terminal Blocks
Spring Loaded Terminal Blocks is fitted with springs below the clamps. These Terminal Blocks are preferred for connections that involve safety requirements of the Electric Supply Industry (ESI) standards, British CEGB regulations, SEC and NTPC applications. In addition to the high torque screws, these blocks have a built-in spring loading feature. It is recommended to use hook type lug/ferrule for terminating wires in such connections. These Terminal Blocks have a specially designed current bar for the right location & placement of wires crimped with hook type lug/ferrule, thus preventing loosening of the wires even when the screw clamps are not tightened. CTS4USC, CTS6USC & CTS10USC are standard spring-loaded feed through Terminal Blocks. CDS6U/SC is spring-loaded disconnect & test Terminal Block suitable for CT, PT & VT circuits. CKT4SPSC is spring-loaded knife disconnect Terminal Block. Disconnection of the circuit is achieved by lifting a lever which operates the knife contact.
In CDTTUSC terminal the disconnection is achieved using a slide link operated with a screwdriver.
CDTTUFTSC is standard spring-loaded feed through Terminal Block in the same profile as that of CDTTUSC.