T/HEBQIA 521-2026 Active Group standards

T/HEBQIA 521-2026 rod-shaped suspension composite insulators

T/HEBQIA 521-2026

Publish Date: 2026-02-12 Implement Date: 2026-02-12 For services related to genuine standard inquiry, procurement, translation, and other related services in China, please Contact Us

Price: $ 20.00

Out of stock

Basic Information

Standard Code: T/HEBQIA 521-2026

Standard Type: Group standards

Standard Status: Active

is_force_gb: no

CCS Name: Normal diagnostic instruments

ICS Name: Insulator

Publish Date: 2026-02-12

Implement Date: 2026-02-12

Development Information

Related Standards

GB/T 4585.1-1984 Abolished

GB/T 4585.1-1984 Artificial pollution tests on high-voltage insulators to be used on a.c.systems Salt-fog method

Publish Date: 1984-07-23

GB/T 775.1-1987 Replaced

GB/T 775.1-1987 Test method for insulators—Part 1:General test methods

Publish Date: 1987-01-23

GB/T 775.3-1987 Replaced

GB/T 775.3-1987 Test method for insulators—Part 3:Mechanical test methods

Publish Date: 1987-01-23

GB/T 7253-1987 Replaced

GB/T 7253-1987 The string insulator units of the cap and pin type—Dimensions and characteristics

Publish Date: 1987-02-09

GB 12744-1991 Replaced

GB 12744-1991 Outdoor antipollution-type solid-core post insulators of ceramic material

Publish Date: 1991-03-21

GB/T 4585.2-1991 Abolished

GB/T 4585.2-1991 Artificial pollution tests on high-voltage insulators to be used on a.c.systems solid-layer method

Publish Date: 1991-06-06