NHP, in conjunction with CUBIC, recognised the unique need in the local market for arcing fault containment. Australia and New Zealand have annexures in their switchboard standards specifically covering containment of internal arcing faults. In order to comply with the requirements of the arcing fault containment requirements in AS.3439.1. 2002, Annex ZD, NHP and CUBIC engineers have developed the necessary parts to include in standard CUBIC designs.
Using Terasaki circuit breakers, NHP conducted a series of arcing fault containment tests at a NATA-recognised test laboratory. The results of this testing program mean that CUBIC assemblers will have access to a type-tested, arc fault contained modular switchboard system. End-users and electrical consultants can therefore have confidence in the CUBIC modular system, knowing that it is a proven design, extensively type tested and with the addition of internal arcing fault containment, provides an additional level of security for switchboard operators.
Switchboard manufacturers have the benefit of a fully modular, type-tested system, supported by NHP’s extensive distribution network and technical support and now with the added security of arcing fault containment the CUBIC offer is even further enhanced.
Arcing-fault test, according to: ASNZS61439, Annex ZD
Test object: CUBIC switchboard with fixed, demountable (plug-in) and withdrawable units MCCB sizes: 100 - 630 A Test kA: 65 kA @ 415 V AC
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