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Retrofit solutions
Masterpact arc flash circuit breakers provide arc flash protection without fuses, using breakthrough technology exclusive to the industry.
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- Retrofit existing low voltage power circuit breakers using the new arc flash Masterpact NW or NT retrofit and/or direct replacement products. Schneider Canada Services offers direct replacement breakers for many manufacturer’s low and medium voltage breakers, including Allis Chalmers, Federal Pacific, Federal Pioneer, General Electric, ITE/ABB and Westinghouse.
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The Comet® H.VIR infrared viewing window uses a crystalline material that is up to 96% transparent to infrared wavelengths. This ensures accurate infrared scanning while maintaining the equipment’s NEMA or IP ingress rating. |
- Install H.VIR Comet Infrared (IR) viewing windows, which allow diagnostic IR scanning without removing equipment covers to improve worker safety while assessing equipment condition. The crystal material used in the H.VIR windows is up to 96% transparent to infrared wavelengths, which ensures accurate IR scanning while maintaining the equipment’s NEMA or IEC/EN IP ingress rating.
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The Square D Arc Terminator system detects and controls the effects of arcing faults, extinguishing arcs in less than 1/4 of a cycle. |
- Install the Square D arc terminator device retrofitted into existing MasterClad® medium voltage switchgear to reduce or eliminate arc flash hazards.
- Install auto rack remote racking system for the existing medium voltage circuit breakers to help keep workers at a safe distance from potential arc flash locations.
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Sepam medium voltage and Carriere low voltage protective relays provide LSIG functionality to reduce tripping times under arc flash conditions. |
- Upgrade low or medium voltage breakers with Sepam medium voltage protection relays or Carriere low voltage protective relays. Both offer LSIG functionality to help reduce breaker tripping times. Sepam protective relays allow you to switch between two protective relay settings. This allows you to select the more sensitive settings based upon arc fault conditions when working on equipment.
New equipment solutions
When designing a new system, contact your Schneider Electric consulting engineering specialist to help with the specification of our new Square D Powerzone 4 low voltage switchgear, which can include Masterpact NW or NT arc flash branch circuit breakers.
As an alternative to arc resistant switchgear, a Square D arc terminator device can be installed in one cell of a Square D MasterClad® medium voltage switchgear lineup, protecting up to 10 breakers. The Arc Terminator system detects and controls the effects of arcing faults. It extinguishes arcs in less than 1/4 of a cycle, significantly minimizing equipment damage and reducing equipment downtime.
