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Power-Zone 4 Arc Resistant with ArcBlok™

Industry leading withstand rating of 100 kA @ 635 VAC; Patented Masterpact™ ArcBlok technology for superior arc flash protection; NEMA Type 1 enclosure with ANSI Type 2B rating.

Energy Reduction Maintenance Setting (ERMS)

Schneider Electric has developed a method to temporarily reduce the instantaneous pickup setting of the circuit breaker using an Energy Reduction Maintenance Setting (ERMS) switch.

Zone Selective Interlocking

Zone selective interlocking preserves the desired selective coordination between main, tie, and feeder protective devices, but also allows fast tripping for faults within each device’s desired zone.

Bus Differential Protection

Square D also offers differential relaying protection to reduce arc flash with high technology reliable MV switchgear relays.

Circuit Protection

Masterpact circuit breakers have the highest short circuit ratings in the industry. Couple that with ease of maintenance, multiple interlocking options, and clear breaker status indication - Masterpact circuit breakers redefine electrical distribution protection.

Remote Racking Device

The remote racking device allows the circuit breaker to be racked in or out while the worker operates the device from outside of the arc flash boundary.
A worker testing the flow of an electrical current in Arc Flash Protection gear, energy efficiency, energy management

Arc Flash Training

When working on any electrical equipment, proper techniques must be followed to ensure worker safety. From wearing proper PPE, to following safety practices such as lock-out tag-out procedures, it is important to make these practices second nature. Take a class specifically designed for teaching you to operate switchgear following correct safety practices.
  • Power-Zone 4 Remote Racking Device

    For Square D™ low voltage drawout switchgear

    Remote racking for Power-Zone 4 low voltage switchgear allows workers to rack out and rack in circuit breakers from outside of the arc flash boundaries.
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