ZZC
scope
This standard specifies the product classification, requirements, test methods, inspection rules, marks, packaging, transportation and storage of the BXK51-63X3 explosion-proof control box (hereinafter referred to as the control box).
The control is mainly used as AC 50HZ in explosive gas environment, rated voltage to 380V, rated current to 180A, start and stop of three-phase asynchronous motor with control power of 50KW, and has voltage loss and overload protection.
The control box is made of ExdIIBT4.
Normative reference documents
The terms in the following documents become the provisions of this standard by reference to this standard.All subsequent amendment orders (excluding errata) or revisions do not apply to this Standard, however, the parties agreed to this Standard are encouraged to study whether the latest version of these documents can be used, which applies to this Standard.
GB 3836.1-2000 Electrical equipment for explosive gas environments- -Part 1: General requirements
GB 3836.2-2000 Electrical equipment for explosive gas environment-Part 2: explosive proof "d"
GB 14048.1-2006 Low-voltage Switchgear and Control Equipment Part 1: General Provisions
GB 4208-1993 Housing protection class (IP code)
GB / T 13384-1992 General technical conditions for mechanical and electrical product packaging
GB / T 2423.4-1993 Basic environmental test procedures of electrical and electronic products Test Db: AC damp and heat test method
JB / T 4375-1999 Electrical products outdoor and internal corrosion site use environmental conditions
The control box must be in an striking position, equipped with clear, firm nameplate, its upper right corner should have obvious bump mark "EX", and
Including the following contents:
A) Factory name or trademark
b) Product model and name
c) Explosion-proof mark and explosion-proof certificate number
d) rated voltage
e) power rating
The f) Date of manufacture or factory number
