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17/30370959 DC
M00001700
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11 December 2017 BS EN 61557-11. Electrical safety in low voltage distribution systems up to 1000 V a.c. and 1500 V d.c. Equipment for testing, measuring or monitoring of protective measures. Part 11. Effectiveness of residual current monitors (RCMs) type A and type B in TT, TN and IT systems
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Safety devices, Electrical safety, Low voltage, Residual current monitors, Current measurement, Electrical protection equipment, Electric current, Alarm systems, Data processing, Electric power distribution, Electrical measuring instruments, Low-voltage equipment