T/ZZB 3568-2023 Active
T/ZZB 3568-2023 Mining Explosion-proof and Essential Safety Electrical Control Box
Abstract
Main technical content: This document specifies the terms and definitions, types and basic parameters, working environment, basic requirements, technical requirements, test methods, inspection rules, marking, packaging, transportation and storage, and quality commitments of explosion-proof and intrinsically safe electrical control boxes for mining (hereinafter referred to as electrical control boxes). This document is applicable to electrical control boxes used in coal mines with a rated frequency of 50Hz and a voltage of up to 1140V and below, which are used to directly or remotely start and stop, reverse and forward control three-phase squirrel-cage asynchronous motors, and at the same time, protect the motors and related circuits.
General Product Information
| Document Type | Group standards |
|---|---|
| Standard Status | Active |
| Standard Code | T/ZZB 3568-2023 |
| CCS | Explosion-proof electrical appliances |
| ICS | Electric equipment for use in explosive environments |
| Implement Date | 2023-12-15 |