The most popular 13 Way TTB has 13 Terminals in total, of which 9 are current terminals and 4 are voltage terminals. The current terminals are separated into groups of 3 with inter-terminal shorting links for shortcircuiting of the CT terminals and testing. The base of the Test Terminal Block is made of excellent quality electrical grade black bakelite moulding powder. The base moulding is provided with integrally moulded barriers between the terminals for complete protection against flashovers. In addition, a bakelite shield is provided in front to avoid flashover or shorting at cable entries. A moulded shroud is provided for safety against the voltage terminals. For viewing the inside connections without removing the cover, thus saving time of the Operator, a transparent, sturdy and flame retardant (UL94V0) polycarbonate top cover is provided. Optionally, the top cover is offered bakelite. The top cover is secured in place by knurled knobs and sealing arrangement is provided to prevent unauthorized access. The Test Terminal Block can be fitted to any panel by means of 4 holes provided on the base. All terminals, shorting links, screws, nuts, etc., used in the electrical connections are of are bright nickel-plated brass to prevent corrosion and providing high conductivity. The screws are provided with rounded edges to prevent any damage to cable strands. Each terminal has a 6 mm dia hole for cable entry and two M5 screws secure the cables. For the Back Connected Test Terminal Blocks, colour coded sleeves of red, yellow and blue are provided to indicate We offer 9 Way Test Terminal Blocks, special design 13 Way Terminal Blocks and Test Terminal Blocks with Voltage Disconnect against specific requirement.
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