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How to Reduce Exposure to Arc Flash Hazards
Multiple solutions for new and existing facilities
Arc Flash Hazard Protection

 

Arc flash hazard exposure is a function of fault clearing time at an arcing current and a worker's distance from the event.  Multiple techniques can be employed to limit exposure.
 
GE delivers multiple products and services that reduce exposure in both new and existing facilities.

 

 

Download Brochure

 

 

 

 

Our Multiple Solutions:

 

Approach Reduce Incident Energy

Deploy Preventative

Maintenance Capability

Help Minimize Event

Equipment Damage

Shield Personnel/

Add Distance

Arc Vault* Protection System
Reduce Incident Energy Deploy PM Capability Help Minimize Event Equipment Damage Shield Personnel / Add Distance
ArcWatch*
Reduce Incident Energy   Help Minimize Event Equipment Damage  
Entellisys* LV Switchgear
Reduce Incident Energy Deploy PM Capability   Shield Personnel / Add Distance
AKD-20 & Entellisys* AR LV Switchgear 
    Help Minimize Event Equipment Damage  
Medium Voltage Arc Resistant Switchgear 
    Help Minimize Event Equipment Damage Shield Personnel / Add Distance
Arc Flash Mitigation MCC Units
Reduce Incident Energy   Help Minimize Event Equipment Damage  
Limitamp* AR Medium Voltage MCC 
Reduce Incident Energy Deploy PM Capability Help Minimize Event Equipment Damage  
Breakmaster* V
Reduce Incident Energy   Help Minimize Event Equipment Damage  
RELT
Reduce Incident Energy   Help Minimize Event Equipment Damage  
EntelliGuard* TU Trip Unit
Reduce Incident Energy   Help Minimize Event Equipment Damage  
Current Limiting Circuit Breakers (see below)
Reduce Incident Energy   Help Minimize Event Equipment Damage  
EntelliGuard* Manager Gateway
      Shield Personnel / Add Distance
Meter in a Box (MIB)
      Shield Personnel / Add Distance
Remote Racking Devices
      Shield Personnel / Add Distance
envisage*
  Deploy PM Capability   Shield Personnel / Add Distance
Arc Flash Hazard Analysis
     

Shield Personnel / Add Distance

Services Maintenance Program/Scheduled Outage
Reduce Incident Energy Deploy PM Capability Help Minimize Event Equipment Damage Shield Personnel / Add Distance

 

 

 

 

ArcWatch* Technology

ArcWatch*

 
Don’t compromise protection for coordination

 

ArcWatch is a set of GE Technologies, WaveForm Recognition (WFR) and Instantaneous Zone Selective Interlocking (I-ZSI) which, when used in combination with one another allow system design that does not require compromise between instantaneous protection from arcing faults and full (.01 Second) selective coordination. Using these technologies, ArcWatch can reduce incident energy to
less than 8 cal/cm2 in.


ArcWatch* technology is available in the following GE products:
  • Evolution* Switchboard
  • Entellisys* 5.5 Low-Voltage Switchgear
  • AKD-20 Low-Voltage Switchgear
  • Evolution Series E9000* Motor Control Center
  • Entelliguard* G Circuit Breakers with EntelliGuard Trip Unit
  • Record Plus* Circuit Breakers with PremEon* S Trip Unit
  • Spectra* RMS Circuit Breakers with microEntelliguard* Trip Unit
  • WavePro Circuit Breakers with EntelliGuard Trip Unit
  • Power Break II Circuit Breakers with EntelliGuard Trip Unit

 

 

Current-Limiting Circuit Breakers

 

Current-limiting circuit breakers are fast-acting and limit the amount of incident energy. GE offers the following circuit breakers with current-limiting technology:

 

Thermal-magnetic, Current Limiting¹:
 

 

¹ Many MCCBs not labeled or UL Listed as current limiting may be current limiting under some fault conditions. It cannot be assumed that any circuit breaker not labeled current limiting always takes a certain amount of time to clear. Time-current curves may show clearing times in excess of ½ or 1 cycle, but the circuit breaker may clear in less than ½ cycle.

 

 

Industry leadership

Through continuous research, product development, technical publications and industry support, GE helps lead the way in arc flash hazard reduction by:

 

  • Continuously conducting field surveys to address concerns that relate to arc flash protection
  • Investing in research and development of products that help reduce the risks of arc flash
  • Supporting industry-wide efforts, such as our sponsorship and participation in Plant Engineering’s Arc Flash University and in IEEE events
  • Offering training on NFPA70E and Electrical Safety

 

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