Product Features of YDS-Type Withdrawable Low-Voltage Distribution Cabinet
a) Classified by application type: Incoming Line Cabinet, Feeder Cabinet (PC), Motor Control Cabinet (MCC), and Reactive Power Compensation Cabinet.
b) Basic cabinet dimensions based on system capacity and switch size:
Width: 4 types (300mm, 400mm, 600mm, 800mm)
Depth: 2 types (800mm, 1000mm)
Height: 2200mm
c) Horizontal busbars are arranged on the top of the cabinet. Rated current levels of this series: 1000A, 1250A, 1600A, 2000A, and 2500A.
d) Rated current levels of vertical busbars for Feeder Cabinets or Motor Control Cabinets: 630A, 1000A, and 1250A.
e) Busbar capacity and corresponding specifications of this series:
Current Rating
： 630A 800A 1000A 1250A 1600A 2000A 2500A
Busbar Specification 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 of horizontal busbars: 50kA.
g) Short-time withstand current of vertical busbars for Feeder Cabinets and Control Cabinets: 50kA.
h) Breaking capacity of the main switch in Incoming Line Cabinets: 50kA.
i) Breaking capacity of protective switches in Feeder Cabinets and Control Cabinets: 50kA.
j) Number of circuits for Feeder Cabinets and Control Cabinets: 1～24.
k) Functional unit types: Plug-in type, Removable type, Drawer type.
l) Functional unit specifications (height): 240mm, 400mm, 420mm, 900mm, 960mm, 1200mm.
m) Enclosure protection class: IP3X (compliant with IEC 60529).
n) Product operating environment: Pollution degree 3 (compliant with IEC 60664).
o) Installable circuit breakers:
Air circuit breakers (ACB): Series such as AE, CW1, HSW1, F1S.
Molded case circuit breakers (MCCB): Series such as D, NS, CM1, HSM1.
Miniature circuit breakers (MCB): Series such as DZ47, NC100LS.
p) Installable contactors: Series such as LC, B, A, CJX1.
q) Installable isolating switches: Series such as QSA, QP, GL.