This composite material consists of two parts: a matrix - polyester resin; and a reinforcing material (referred to as PC, SMC), therefore it is also called transparent PC material, fiber-reinforced polyester material.
Residential lighting box: The panel is made of fire-retardant ABS material, pure ivory color, high strength; the transparent material is PC; the base box is made of high-quality cold-rolled steel plate with a plastic spraying process, which is non-deformable, non-oxidizing and corrosion-resistant; the terminal is equipped with a flame-retardant cover, and adopts a wiring structure similar to that of a miniature circuit breaker, ensuring safe and reliable wiring; the adjustable mechanism allows for adjustment of both depth and angle, which is very beneficial for engineering installation; and the lightweight box door opening and closing method, with the box door able to open to both the left and right, is convenient for home use.
The XL-21 low-voltage power distribution box is suitable for use in power plants and industrial and mining enterprises for power distribution in three-phase four-wire or three-phase five-wire systems with AC voltages of 500V and below.
Switchgear interlocking requirements (mainly referring to the necessary mechanical and electrical interlocking devices)
The cabinet structure is made of aluminum-zinc plated steel sheets, processed by CNC machine with multiple bending processes, and then bolted together.
The GGD type AC low-voltage switchgear was developed in 1991. Fixed wiring low-voltage switchgear is divided into GGD1, GGD2, and GGD3, with different segmented current capacities.
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