Mitsubishi added five circuit breakers and discontinued four others.
October 16, 2013 – Mitsubishi Electric Automation added UL489 listed 400AF and 630AF molded case circuit breakers; 400AF earth leakage-type circuit breakers; NF400-SWU and NF630-SWU circuit breakers as direct replacements for the WSS series NF-SKW and NF-SLW; and the NV400-SWU and high performance NV400-HWU Series harmonic surge-ready circuit breakers with 100.200.500mA selectable rated current sensitivity earth leakage detection. Superior aspects of the new circuit breakers include:
- Higher breaking capacity
- 35 to 65kAIC @ 480VAC
- 65 to 85KAIC @ 480VAC (HWU Series)
- Standardization of accessory parts
- Internal accessories (excluding UVT) can be field mounted (cassette type)
- Designed for easy use
- Expansion of the installation and connection types for all applications
- Line: busbar / load: busbar
- Line: terminal lug / load: terminal lug
- Line: terminal lug / load: busbar
- Line: busbar / load: terminal lug
- Interlocking handles are interchangeable between the old style WSS and new style WS-V
- F Type (direct mount to breaker)
- V Type (door installation)
- Compliance with international standards
As part of Mitsubishi Electric’s eco-friendly initiative, the circuit breakers are made of thermo-plastic material that has been branded with material identifications for easy recycling. All Mitsubishi Electric circuit breakers comply with RoHS regulations.
