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Rapid Online - Rapid Electronics Ltd.£7.40Visit shop Hager KDN163A Phase Modifier 1-Pin Quick Connect Terminal Installation
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The Hager KDN163A Quickbusbar is an essential component for professional electricians and installers looking to streamline single-phase power distribution across multiple circuit breakers. Its key benefit lies in the 1-pole fork-type design, which facilitates secure, screwless connections for up to 12 modules, significantly reducing installation time and complexity. While it offers superior efficiency and organization, users must ensure it is only utilized within single-phase configurations, as it is not designed for multi-phase electrical systems.
| Model Part Number | KDN163A |
|---|---|
| Brand | Hager |
No, the KDN163A is a 1-pole busbar designed exclusively for single-phase applications.
The pitch dimension is 17.5 mm, which is standard for most modular circuit breakers.
It is designed to support up to 12 modules.
While not always mandatory, using end covers is recommended after cutting the busbar to prevent accidental contact with live parts.
The rail has a cross-section of 10 mm².
It is designed for Hager components; while it may physically fit other 17.5 mm pitch breakers, it is best practice to use it with matching equipment to ensure safety and warranty compliance.
Verify that your circuit breakers support fork-type busbars and that the pitch is standard 17.5 mm.
Ensure the breaker screw terminal is fully tightened onto the fork prong; if the prong remains loose, check for proper insertion depth.
Measure the required length and use a hacksaw to cut the rail, ensuring all burrs are filed down and the copper path is not shorted.
To install the KDN163A, ensure the main power supply to the distribution board is disconnected. Align the fork terminals with the breaker connection points and insert them fully before tightening the breaker screw terminals. If the busbar is too long for your specific module count, it can be carefully cut to size; always ensure that no exposed conductive metal remains at the cut end by using appropriate end caps if necessary. Regularly inspect the connections during annual board maintenance to ensure that vibration has not loosened the terminal screws. It is compatible with most standard DIN-rail mounted modular devices featuring a 17.5 mm pitch.
