BS - British national standards

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BS EN IEC 61557-4:2021 (16.2.2022)

BS EN IEC 61557-4:2021 (16/02/2022)

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. Resistance of earth connection and equipotential bonding.

Available languages: English

Available design: PDF - Immediate download, Print design

from 214.80 USD more info
BS EN IEC 61557-4:2021-TC (22.3.2022)

BS EN IEC 61557-4:2021-TC (22/03/2022)

Tracked Changes. 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. Resistance of earth connection and equipotential bonding.

Available languages: English

Available design: PDF - Immediate download, Print design

from 302.90 USD more info
BS EN IEC 61557-5:2021 (19.5.2022)

BS EN IEC 61557-5:2021 (19/05/2022)

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. Resistance to earth.

Available languages: English

Available design: PDF - Immediate download, Print design

from 300.20 USD more info
BS EN IEC 61557-5:2021-TC (10.6.2022)

BS EN IEC 61557-5:2021-TC (10/06/2022)

Tracked Changes. 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. Resistance to earth.

Available languages: English

Available design: PDF - Immediate download, Print design

from 421.90 USD more info
BS EN IEC 61557-6:2021 (16.2.2022)

BS EN IEC 61557-6:2021 (16/02/2022)

Electrical safety in low voltage distribution systems up to 1 000 V a.c. and 1 500 V d.c.. Equipment for testing, measuring or monitoring of protective measures. Effectiveness of residual current devices (RCD) in TT, TN and IT systems.

Available languages: English

Available design: PDF - Immediate download, Print design

from 300.20 USD more info
BS EN IEC 61557-6:2021-TC (1.4.2022)

BS EN IEC 61557-6:2021-TC (01/04/2022)

Tracked Changes. Electrical safety in low voltage distribution systems up to 1 000 V a.c. and 1 500 V d.c.. Equipment for testing, measuring or monitoring of protective measures. Effectiveness of residual current devices (RCD) in TT, TN and IT systems.

Available languages: English

Available design: PDF - Immediate download, Print design

from 421.90 USD more info
BS EN 61557-7:2022+A1:2023 (15.10.2023)

BS EN 61557-7:2022+A1:2023 (15/10/2023)

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.

Available languages: English

Available design: PDF - Immediate download, Print design

from 214.80 USD more info
BS EN 61557-8:2015 (30.6.2016)

BS EN 61557-8:2015 (30/06/2016)

Electrical safety in low voltage distribution systems up to 1 000 V a.c. and 1 500 V d.c. Equipment for testing, measuring or monitoring of protective measures. Insulation monitoring devices for IT systems.

Available languages: English

Available design: PDF - Immediate download, Print design

from 416.70 USD more info
BS EN IEC 61557-9:2025 (9.4.2025)

BS EN IEC 61557-9:2025 (09/04/2025)

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. Equipment for insulation fault location in IT systems.

Available languages: English

Available design: PDF - Immediate download, Print design

from 352.00 USD more info
BS EN IEC 61557-9:2025-TC (22.4.2025)

BS EN IEC 61557-9:2025-TC (22/04/2025)

Tracked Changes. 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. Equipment for insulation fault location in IT systems.

Available languages: English

Available design: PDF - Immediate download, Print design

from 494.40 USD more info
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