Switching 4 mm Banana Sockets from CLIFF Electronics
Engineered for high-voltage use with laboratory-grade robustness
Cliff Electronics introduces their FCR7370 switching 4 mm banana sockets. Engineered for high-voltage use and with laboratory-grade robustness, the socket is rated for 1 kV (CAT III) and 10 A. Gold-plated contacts ensure low resistance and long service life, while the fully shrouded design enhances operator protection. The right-angle PCB-mount format enables compact integration into instruments, test rigs, power-electronics assemblies, and modular laboratory systems.
Inside the device are two fixed, insulated internal contacts. When a 4 mm banana plug is inserted, it bridges the two contacts, creating the electrical connection. There is no internal mechanical switching mechanism; the switching occurs solely through the physical insertion of the plug, enabling straightforward circuit routing, signal enabling, load switching, or safety interlock functions without additional switches or electromechanical parts. This simplified approach reduces component count, eases system design, and supports long-term reliability in demanding technical environments.
To support equipment coding, safety compliance, and multi-channel instrumentation, the FCR7370 is available in four standard colours: red, black, green, and blue, providing clear channel identification and high-visibility marking on dense panels or PCBs.
Applications include:
- Automatic enable/disable or load-switch points.
- Bench-top and portable instrumentation.
- Training, laboratory, and educational equipment
- Calibration and diagnostic interfaces
- Multi-channel measurement or color-coded test systems
Cliff Electronics describes itself as a market leader in the design, development and manufacture of connectors, leads, test lead sets and accessories for a wide range of markets and supply major international OEMs. As a UK manufacturer Cliff can respond quickly to customer’s needs for both standard products and custom designs. Cliff manufactures a wide range of FeedThrough connectors audio, optical and power connectors and accessories, general industrial connectors, terminal posts and connection blocks. Cliff can also provide a wide range of leads including test and instrumentation, audio, instrument and power.
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