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Double slot RCBO's
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<blockquote data-quote="kerching" data-source="post: 546072" data-attributes="member: 11861"><p>From Ben</p><p></p><p>Let's imagine an MCB to BS60898 on a split load board. The MCB detects overload/ short circuit on the line conductor, the RCD will detect an imbalance of current between Line and Neutral. Our RCBO combines both of these functions, simply put. So the overload protection is solely on the line conductor. Whereas the current inbalance magnetic coil is monitoring both Line and Neutral conductors. </p><p>To protect the Neutral side only from overload/short circuit would be a contravention of BS7671, Protecting both Line and Neutral would only be required in a 3ph circuit where the Neutral conductor has a smaller cross sectional area. </p><p></p><p>In the instance of either a short circuit/ overload or fault to earth both poles will be disconnected from source, Hence being double pole. </p><p>So in essence you are both right in your discussion. I dont know of any instances with our wiring practices taken into account where further protection would be required. </p><p></p><p></p><p>You're welcome</p></blockquote><p></p>
[QUOTE="kerching, post: 546072, member: 11861"] From Ben Let's imagine an MCB to BS60898 on a split load board. The MCB detects overload/ short circuit on the line conductor, the RCD will detect an imbalance of current between Line and Neutral. Our RCBO combines both of these functions, simply put. So the overload protection is solely on the line conductor. Whereas the current inbalance magnetic coil is monitoring both Line and Neutral conductors. To protect the Neutral side only from overload/short circuit would be a contravention of BS7671, Protecting both Line and Neutral would only be required in a 3ph circuit where the Neutral conductor has a smaller cross sectional area. In the instance of either a short circuit/ overload or fault to earth both poles will be disconnected from source, Hence being double pole. So in essence you are both right in your discussion. I dont know of any instances with our wiring practices taken into account where further protection would be required. You're welcome [/QUOTE]
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