GB/T 3594-1983
Replaced
GB/T 46746-2025
Active
National standards
GB/T 46746-2025 Marine low-voltage power systems insulation fault locating devices
GB/T 46746-2025 Marine low-voltage power systems insulation fault locating devices
Price:
$ 50.00
Basic Information
Standard Code:
GB/T 46746-2025
Standard Type:
National standards
Standard Status:
Active
is_force_gb:
no
CCS Name:
\nShip electrical, communication, and navigation equipment
ICS Name:
Electric equipment for ships and offshore structures
Publish Date:
2025-12-02
Implement Date:
2026-07-01
Pages:
24 pages
Scope
This document specifies the technical requirements for insulation fault location devices in low-voltage power systems of ships, including requirements for inspection rules, packaging, transportation, and storage, and describes the corresponding test methods.
This document is applicable to insulation fault location devices in ship's neutral-point ungrounded (IT) systems with an AC voltage not exceeding 1,000 V and a DC voltage not exceeding 1,500 V.
Development Information
Referenced Standards
GB/T 16935.1-2023 Insulation coordination for equipment within low-voltage supply systems—Part 1:Principles, requirements and tests
GB/T 16935.3-2005 Insulation coordination for equipment within low-voltage systems—Part 3:Use of coating,potting or moulding for protection against pollution
GB/T 16935.3-2016 Insulation coordination for equipment within low-voltage systems— Part 3:Use of coating,potting or moulding for protection against pollution
GB/T 16935.3-2025 Insulation coordination for equipment within low-voltage systems—Part 3:Use of coating,potting or moulding for protection against pollution
GB/T 18216.8-2015 Electrical safty 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—Part 8:Insulation monitoring devices for IT systems
GB/T 18216.9-2015 Electrical safty 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—Part 9: Equipment for insulation fault location in IT systems
IEC 61557-8:2014
IEC 61557-9:2023
GD 019-2024
Related Standards
GB 9193-1988
Replaced
GB 9193-1988 Acoustic, optical alarm signals and identifying indications in ships
GB/T 10250-1988
Replaced
GB/T 10250-1988 Electromagnetic compatibility of electrical and electronic installations in ships
GB/T 11803-1989
Replaced
GB/T 11803-1989 Marine A.C. low voltage switchboard—Construction and basic dimension
GB/T 12975-1991
Replaced
GB/T 12975-1991 General specification for synchronous generator in ship
GB/T 12980-1991
Replaced