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FRCdM Type A, U, R xEffect Residual Current Circuit Breaker

This FRCdM Type A, U, R residual current circuit breaker is part of the xEffect series for industrial/commercial applications. The FRCdM meets the highest requirements for the protection of both people and equipment. The FRCdM Type A is designed for systems with alternating and pulsating direct currents.

Type A RCCBs will also operate correctly within the presence of smooth direct residual current up to 6 mA.

Highest safety
Voltage independent tripping​
Be informed and not surprised​
Live status communicated through integrated contact​
Better system resilience​
Digital assisted sensing of residual current​

Pääominaisuudet

  • Digital technology for maximum system availability
  • Real-time measurement of residual currents
  • Easy operation and refitting
  • For fault current/residual current protection and additional protection
  • LED monitoring
  • Line voltage independent 
  • For fault current and additional protection with additional digital features
  • System monitoring: Preventive information/warning before the RCD trips due to leakage currents
    - Integrated auxiliary contact
    - Local indicators
  • A new level of accuracy that minimizes nuisance tripping
  • Comprehensive range of accessories
  • Contact position indicator
  • Fault current tripping indicator
  • Automatic re-setting possible
  • Transparent designation plate
  • Compatible with the other devices from the xEffect series, which can be connected by means of a standard busbar
  • Twin-purpose terminal (lift/open-mouthed) at top and bottom
  • Can be positioned on busbar at top or bottom
  • Free terminal space despite installed busbar
  • Universal tripping signal switch (also suitable for FAZ and FRBmM-1N) can be retrofitted
  • Z-HK auxiliary switch can be retrofitted
  • Contact position indicator red - green
  • Tripping indicator white - blue
  • Additional safety
    - Sealing option
    - Option to lock in ON orOFF position
  • Time-delayed types suitable for use with standard fluorescent lamps, with or without electronic ballast (30 mA-RCD: 30 units per phase conductor, 100 mA-RCD: 90 units per phase conductor)

xEffect digital switchgear

The digital RCCBs from the xEffect series can do more than just switch off. They monitor electrical installations and give advance warning of critical current flows. So that system shutdowns – and the associated costs – can be avoided.

Local indicators
xEffect Residual Current Circuit Breaker FRCdM Type AC, A, U, R - green LED

Green


The system is in normal operation.

Yellow

The currently measured residual current is higher than 30% I∆n. The system is currently drawing fault current, and actions should be taken accordingly

 

xEffect Residual Current Circuit Breaker FRCdM Type AC, A, U, R - red LED

Red

The currently measured residual current is higher than 50% I∆n. The system is currently drawing a critical amount of fault current, and actions should be taken immediately.

Reliable protection for machines

These products help maintain an optimal system and provide additional protection against residual earth leakage currents for a wide range of applications. They come with different tripping characteristics to cater for variety of electrical systems and components. The devices offer a wide range of nominal currents and comprehensive optional accessories.

Sensitivity Type A

These types are capable of sensing pulsating residual currents and are not negatively affected by a DC overlay of up to 6mA. ​ These devices (depending on the range) are also available as:​ -G/A short time delayed devices which are surge current proof up to 3kA . These devices enable a reliable and safe installation with increased system availability​ -S/A selective RCCBs with improved surge current capabilities up to 5kA . These devices are selective (conditions apply) to other RCDs and enable special applications and root installations.​ ​

Sensitivity Type F

These types are capable of sensing pulsating residual currents and are not negatively affected by a DC overlay of up to 10mA. ​ These devices (depending on the range) are also available as:​ ​ -G/F short time delayed devices which are surge current proof up to 3kA . These devices enable a reliable and safe installation with increased system availability​ ​ -S/F selective RCCBs with improved surge current capabilities up to 5kA . These devices are selective (conditions apply) to other RCDs and enable special applications and root installations .​ ​

Maximum safety in railway applications

The xEffect range of protective switchgear also ensures highest standards of safety in railway applications. Thanks to compliance with specific standards such as IEC 61373 (Rolling stock equipment – Shock and vibration) and EN 45545-2 (fire protection of railway vehicles), the devices provide maximum safety and performance in rolling stock applications. In addition to standard switchgear, we also offer a wide range of MCBs and RCDs for the connection of ring cable lugs in railway applications.

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