JB/T 7102-1993
Protection level of casing of relays and their accessories (IP designation) (English Version)

Standard No.

JB/T 7102-1993

Language

Chinese, Available in English version

Release Date

1993

Published By

Professional Standard - Machinery

Status

Withdraw 2010-02

Latest

JB/T 7102-1993

Scope

This standard specifies the grading system, test methods and conformity assessment for shell protection of professional products for relays and their devices. This standard applies to the shell protection classification of relays, relay protection and safety automatic devices (including screens, cabinets, tables and boxes) used in power systems.

JB/T 7102-1993 history

• 1993 JB/T 7102-1993 Protection level of casing of relays and their accessories (IP designation)