Plug Key Manufacturer,Supplier and Exporter in India
Product Code : EL-PLE-10335
Quick Answer: The Plug Key is a simple circuit switch: two 9 mm thick brass blocks with brass terminals on a bakelite base, bridged by a tapered plug with a moulded bakelite top.
Last updated: October 2026
Key Features
Two brass blocks, 9 mm thick, with brass terminals.
Accurately tapered plug with a moulded bakelite top.
Plug fits into the gap between the blocks to close the circuit.
Mounted on a bakelite base.
Technical Specifications
Specification
Value
Contact blocks
Two, brass, 9 mm thick
Terminals
Brass
Plug
Tapered, moulded bakelite top
Base
Bakelite
About This Product
Inserting the plug bridges the two brass blocks and completes the circuit, while pulling it out breaks the connection, so the key acts as an on-off switch in practical circuits. The taper on the plug gives a firm fit in the gap between the blocks.
Frequently Asked Questions
How does the plug key open and close a circuit?
When the tapered plug is pushed into the gap between the two brass blocks it connects them and closes the circuit; removing it opens the circuit.
