1. Product overview
The distribution box is one of the power control power distribution equipment
which is widely used in low voltage distribution system at present. Due to its easy installation,
flexible use, easy to maintain, economical and luxurious, it can be used to meet the needs of
customers. Applicable to the metallurgical, mining, petroleum, chemical, textile, building
materials, machinery processing, transportation, hotels, restaurants and other power users of AC
50HZ, rated voltage of 400V (690) distribution system, rated current to 630A, as the driving force,
motor control, lighting purposes. The protection grade of the switch cabinet is high which is IP54,
suitable for bad environment.
2. Working conditions
Ambient temperature: -5℃ ~+40℃,
Altitude: < 2000m
Relative humidity: In the surrounding air temperature of +40 is less than 50%; relative humidity at
low temperature can be higher (such as: +20 C = 90%), considering the change of temperature
allows the generation of moderate.
When the equipment is installed, the inclination of the vertical surface should not exceed 5.
Equipment shall be installed in a place where there is no severe vibration, no shock and no
corrosion.
3. Main features
XL-21 type low voltage power distribution cabinet, indoor wall installation, power
distribution device with one side front door. The basic structure of the steel plate bending and
welded steel.
The front right side can be provided with a knife switch operation handle, as a power cut and
switch on operation, an operating button, an indicating lamp and a display instrument can be
arranged on the box door. When you open the box, the internal equipment distribution box is
open for maintenance and repair.
The distribution box is provided with an air circuit breaker and a fuse which is used as a short
circuit protection, also provided with a contactor and a thermal relay. The door and the shell
are welded with a grounding screw, to ensure that the housing is connected to the ground
reliably.
The protection level of the box is IP30, it also can be based on customer requirements.
4. Packaging method
Ability to ensure product safety to the customer. Export equipment in the process of ocean transportation there are specific packaging and treatment methods to ensure anti-collision, anti-extrusion, anti-deformation, anti-friction, anti-rust, anti-salt corrosion in seawater and so on.
IPv6 network supported 
