Power-Zone® 4 Arc Resistant

Arc flash energy containment occurs on the front, back, and sides, even when the instrument compartment door is open, complying with ANSI® Type 2B rating. This simple, stand-alone circuit breaker solution is a space saving design that offers an additional level of protection for personnel. Plus, Power-Zone® 4 Switchgear features simple installation and reduced maintenance and inspection requirements.

Standard Features

• Industry leading withstand rating of 100 kA @ 635 VAC
• Patented Masterpact® ArcBlok® technology for superior arc flash protection
• Type 1 enclosure with ANSI® Type 2B rating
• 1524 mm/60" deep and 559 mm/22" wide design allows for the smallest footprint in the industry
• Complete line of Masterpact® NW, MTZ2, MTZ3 circuit breakers available up to and including 5,000 A
• Field interchangeable Micrologic® trip units
• Bus ratings up to and including 5,000 A
• Enhanced ventilation system optimizes heat transfer

Optional features

• Insulated copper bus
• Plenums
• Zone Selective Interlocking system
• High resistance grounding
• Energy reduction maintenance switch
• Masterpact™remote racking device
• Overhead breaker lifter

Standards

• CSA C22.2 No. 31
• UL® certified and tested in accordance with ANSI C37.20.7
• ANSI C37.20.1, ANSI C37.51
• UL 1558
• ANSI C37.13, ANSI C37.16
• ANSI C37.17, ANSI C37.50
• UL 1066 / CSA C22.2 No. 268

• Commercial Buildings
• Industrial Buildings
• Oil & Gas
• Water Waster-Water
• Healthcare Facilities
• Data Centres
• Educational Campuses