Ads by Google
I. Overview
GCK low voltage withdrawable switchgear is suitable for power distribution system with AC 50(60)Hz and rated working current up to 660V, applicable for power distribution equipment for distribution, motor control and lighting. It conforms to relevant standards such as IEC60439-1, GB7251.1 and JB/T9661.
II. Structure instruction
The assembled cubicle has its framework made of KB or KS profiles. The horizontal busbar is placed at the top with the cover open or not. A rear door is provided with the outgoing at the rear, facilitating mounting and maintenance. The drawer can be operated with or without the door open. When the door is open, the drawer is employed with trigger two-position or three-position operation mechanism and screwed-type feeding mechanism; when the door is not open, the drawer is employed with CXJG type operation mechanism. The primary plug-in is of new type without valve, ensuring more dependability. The rated current of unit loop is up to 600A and 1/2 unit drawer can reach maximum current of 100A. The protection degree of the enclosure is IP3X-4X.
III. Structural characteristics
1. The cubicle is of assembled structure, grids mounting, great versatility of parts and components, good applicability and high standardization level;
2. Cable compartment is situated at the upper, apparatus compartment at the front and cable access compartment at the rear. Steel plates or insulating plates are added as partition between each compartment as to ensure safety;
3. The door of drawer compartment has mechanical interlock with the operating handle of circuit breaker or disconnect switch, therefore, it is opened only when the handle is in breaking position;
4. The receive switch, coupling switch and drawer of MCC switchgear is provided with three positions as making, testing and breaking.
Withdrawable Switchgear Cubicle/Cabinet/Panel Enclosure GCK abb switchgear