The HAGER NBN120A MCB SP 20A is a single-pole miniature circuit breaker suited for domestic electrical installations. Designed for straightforward integration into distribution boards, it is used to manage and isolate electrical circuits as required by general power or lighting applications.
This type of breaker helps to prevent damage to wiring and connected equipment by interrupting the flow of current in the event of a fault. On-site, it is typically installed by electricians during new builds, rewires or upgrades where reliable circuit protection and efficient reset capability are required.
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