I. Overview

YDS type withdrawable low-voltage power distribution cabinet is suitable for power plants, petrochemicals, metallurgy, textiles, high-rise building power supply and other industries. In large power plants, petrochemicals and other places with high automation and requiring computer interface, it can be used as a three-phase AC frequency 50Hz, rated working voltage AC 380V, rated current up to 4000A and below in power distribution systems for power distribution, conversion and control of motors. ,

2. Product features of YDS type withdrawable low-voltage distribution cabinet:

a) According to the use category, it can be divided into: incoming cabinet, feeder cabinet (PC), motor control cabinet (MCC) and reactive power compensation cabinet.

b) According to the system capacity and switch size, the basic dimensions of the cabinet are: there are four widths: 300mm, 400mm, 600mm, and 800mm; there are two depths: 800mm and 1000mm; the height is 2200mm.

c) The horizontal busbar is arranged on the top of the cabinet. The rated current levels of this series are: 1000A, 1250A, 1600A, 2000A and 2500A.

d) The rated current levels of the vertical busbar of the feeder cabinet or motor control cabinet are: 630A, 1000A and 1250A.

e) Busbar capacity and corresponding specifications of this series of products:

Current level 630A 800A 1000A 1250A 1600A 2000A 2500A

Busbar specifications TMY 40×1050×10 50×1060×10 2(40×10)60×1080×10 2(50×10)80×10100×10 2(60×10)100×10120×10 2(60 ×10)2(80×10) 2(100×10)2(120×10)

f) Rated short-time withstand current capacity of horizontal busbar: 50kA.

g) The short-term withstand current capacity of the vertical busbar of the feeder cabinet and control cabinet: 50kA.

h) Breaking capacity of the main switch in the incoming cabinet: 50kA.

i) Breaking capacity of protective switches in feeder cabinets and control cabinets: 50kA. .

j) Number of feeder cabinet and control cabinet circuits: 1 to 24.

k) Functional unit type: plug-in type, removable type, drawer type.

l) Functional unit specifications: heights are 240mm, 400mm, 420mm, 900mm, 960mm, and 1200mm.

m) Shell protection level: IP3X.

n) Product usage environment: pollution level 3.

o) The circuit breakers that can be installed are:

Frame type circuit breakers: AE, CW1, HSW1, F1S and other series products.

Plastic case circuit breakers: D, NS, CM1, HSM1 and other series products.

Miniature circuit breakers: DZ47, NC100LS and other series of products.

p) The contactors that can be installed include: LC, B, A, CJX1 and other series products.

q) The isolating switches that can be installed include: QSA, QP, GL and other series products.