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Find a small selection of discontinued and obsolete Siemens MCB’s down below. Designed to protect against both overload and short circuit faults; a Miniature Circuit Breaker is a crucial component in any electrical installation.

At Electrical Discounted Supplies we are always looking to give our customers the best possible service. Whether it be through same day dispatch (Pre-3PM Mon-Fri), a selection of next day delivery options or even our FREE click and collect service; we want all our customers to have a pleasant shopping experience!