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KDC Datasheet(PDF) 1 Page - Cooper Bussmann, Inc. |
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KDC Datasheet(HTML) 1 Page - Cooper Bussmann, Inc. |
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1 / 6 page  Technical Data 1042 Effective December 2015 Supersedes February 2015 Product description: Cable limiters are intended to provide short- circuit protection to electrical systems, typically between the transformer and service entrance. Should a short-circuit occur, the cable limiter removes the affected cable(s) from service and permits the other conductors to continue delivering power. Cable limiters are often used in utility low volt- age networks and large multi-cable per phase service entrances. Unlike fuses, cable limiters are selected by cable size rather than amperage, e.g., a “4/0” limiter will carry the current of a 4/0 cable. Limiters are stable, totally self-contained, static devices with unchanging characteristics that operate without venting of ionized gases or explosive action. Under high short-circuit conditions, limiters cut off fault currents within one-half cycle (0.008 seconds) and reduce insulation damage from the immense heat that is developed by sustained fault current flow. They confine damage to the point of the short-circuit and stop long-length cable burn-back and striking of multiple arcs to minimize damage to or eliminate damage to adjacent conductors. Features and benefits: • Cable limiters enhance multi-conductor system reliability by isolating faulted conductors and taking them offline while the balance of the conductors continue delivering power to their circuits. This is why cable limiters are often used in utility low voltage networks and large multi-cable per phase service entrances. • Cable limiters enhance service entrance conductor short-circuit protection with current-limiting performance that exceed the typical protection offered by utility overcurrent protective devices. • Cable limiters meet many system requirements with 250Vac or 600Vac ratings for conductor sizes from 12AWG to 1000kcmil and terminal options available that make them easy to install including: tube- to-tube (crimp), tube-to-bolt (crimp/bolt-in), compression rod-to-tube (crimp) and bolt-to- offset bolt (bolt-in) options. • Select cable limiters are UL® Listed under File E90818 for use on 600V circuit for the protection of faults up to 200kA. 250V and 600V cable limiters |
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