Publisher : BSI

BS EN 61557-1:2007 PDF

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-General requirements

Document status: Active

57.15 €
BS EN 61557-11:2009 PDF

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-Effectiveness of residual current monitors (RCMs) type A and type B in TT, TN and IT systems

Document status: Active

79.25 €
BS EN 61557-2:2007 PDF

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-Insulation resistance

Document status: Active

48.01 €
BS EN 61557-3:1997 PDF

Electrical safety in low voltage distribution systems up to 1000 V a.c. and 1500 V d.c. Equipment for testing, measuring ormonitoring of protective measures-Loop impedance

Document status: Active

48.01 €
BS EN 61557-4:2007 PDF

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-Resistance of earth connection and equipotential bonding

Document status: Active

48.01 €
BS EN 61557-6:1998 PDF

Electrical safety in low voltage distribution systems up to 1000 V a.c. and 1500 V d.c. Equipment for testing, measuring ormonitoring of protective measures-Residual current devices (RCD) in TT, TN and IT systems

Document status: Active

48.01 €
BS EN 61557-7:1997 PDF

Electrical safety in low voltage distribution systems up to 1000 V a.c. and 1500 V d.c. Equipment for testing, measuring ormonitoring of protective measures-Phase sequence

Document status: Active

48.01 €
BS EN 61557-7:2007 PDF

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-Phase sequence

Document status: Active

48.01 €
BS EN 61557-7:2022+A1:2023 PDF

Electrical safety in low voltage distribution systems up to 1 000 V AC and 1 500 V DC. Equipment for testing, measuring or monitoring of protective measures-Phase sequence

Document status: Active

57.15 €
BS EN 61557-8:1997 PDF

Electrical safety in low voltage distribution systems up to 1000 V a.c. and 1500 V d.c. Equipment for testing, measuring ormonitoring of protective measures-Insulation monitoring devices for IT systems

Document status: Active

57.15 €