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isolated 1, overview
S-KBO that is: Control and protective switching devices, is the low-voltage electrical industry, a new category of products; its product categories, code-named "CPS", is in English "Control and Protective Switching Device" (Control and protective switching devices) acronym .
CPS line with the standards: IEC60947-6-2: (2002) "low-voltage switchgear and control equipment Part 6 Section 2 multi-function electrical control and protective switching devices" and GB14048.9-1998 "low-voltage switchgear and control equipment and more Functional appliances: Control and Protective Switching "(identical with IEC60947-6-2).
2, function
S-KBO Series modular structure of a single product type, integration of the traditional circuit breaker (fuse), contactors, overload (or over-current, phase) protection relays, starters, isolators, motor integrated protection etc. The main function of low-voltage electrical products, automatic control with remote and local direct human control, with the panel, and electrical and mechanical signal indicates alarm function, with over-voltage under-voltage protection, phase with a phase failure protection, with less flow less power function, with coordination of the time - current protection characteristics (inverse time overload, a time limit, short circuit transient, large transient short-circuit protection features four paragraphs.) Optional function modules as needed or accessories, you can achieve all kinds of motor load, the load distribution control and protection, control and protection in one set.
3, uses
S-KBO control and protection switch is mainly used for exchange of 50Hz (60Hz), rated voltage up to 690V, rated current from 3A to 125A, adjustable operating current from 0.12A to 125A, control of electrical power from 0.05KW to 55KW of power system turn, carrying and breaking normal conditions (including the provisions of the overload condition) under the current, and can be connected, and the breaking load under abnormal conditions (such as short circuit) under the current.
4 Advantages