Description
MK Sentry
AFDD/RCBO 20A – DP B Curve 30mA Type A 6kA Arc Fault Detection Device combined with RCBO (AFDD).
MK SENTRY AFDDs provide protection against fires caused by electrical arcing resulting from faulty wiring or poor connections.
The AFDD analyses curent/voltage characteristics to identify arcing and automically trip to isolate the circuit.
AFDDs detect arcing faults which can be undetected by MCBs and RCDs.
Types of arc fault:
Series arc fault, in-line conductor caused by;
– Loose connections
– Damaged cables (broken, crushed, worn)
– Rodent damage
Parallel arc fault, between live conductors, L-N and L-E undected by MCB/RCD resulting from;
– Damaged insulation
– Pierced insulation (power tools, nails etc)
– Rodent damage
– Poor wiring/damaged appliance plugs
Product Standard: BS EN62606, BS EN61009-1.
- RCD Type A – 30mA tripping current
- 6000A breaking capacity
- Reduces the risk of fire
- Positive status indication
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