Memshield 2 Single Pole and Triple Pole MCBs
Type A distribution boards can accommodate SP MCBs only and Type B distribution boards can accommodate SP, DP* and TP MCBs. Memshield MCBs are manufactured to BS EN 60898 (IEC898).
*For further information on double pole MCBs, please contact our sales office.
MCBs... Type B, C or D? - A Guide To Selecting The Correct MCB
There are three types of MCB, B,C and D, each of which has a different trip sensitivity characteristic. This allows for flexibility when isolating devices which have relatively much higher start up currents than their normal running currents, ie motors, machines etc.
MCB Type | Operation In Less Than 100msecs (Instantaneous) | General Use Guide |
---|---|---|
B | Between 3-5 Times Rated Current | Domestic |
BMS1253 | Between 5-10 Times Rated Current | Commercial |
BMS1603 | Between 10-20 Times Rated Current | Industrial |
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Type B MCBs
Type B MCBs
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Type C MCBs
Type C MCBs
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Type D MCBs
Type D MCBs
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Combined MCB/RCD Units
These MCB/RCD combined units are manufactured to BS EN 61009 and are suitable for installation in MEM distribution units.