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S800-SCL-SR Self-resetting short circuit limiter-HIGH PERFORMANCE CIRCUIT BREAKERS

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S800-SCL-SR Self-resetting short circuit limiter-HIGH PERFORMANCE CIRCUIT BREAKERS S800-SCL-SR Self-resetting short circuit limiter-HIGH PERFORMANCE CIRCUIT BREAKERS

Description

S800-SCL-SR Self-resetting short circuit limiter-HIGH PERFORMANCE CIRCUIT BREAKERS

S800-SCL-SR is ABB’s innovative self-resetting current limiting module which considerably increases the short-circuit breaking capacity of downstream manual motor starters and high performance MCBs

The S800-SCL-SR is a self-resetting short-circuit current-limiter. The major advantage of S800-SCL-SR is the ability for continuous group protection. The S800-SCL-SR protects all downstream devices up to 100kA. In case of a fault current in one of the motor circuits the resulting short-circuit current is limited and only the faulty branch is cut off. After the downstream device has tripped, the S800-SCL-SR contacts re-close automatically. All other downstream devices continue to operate without interruption.

Main benefits     

  • Maximum system availability by automatic re-closing of the limiter contacts after fault clearing
  • Selectivity and back-up protection in one device
  • Upgrades systems up to 100kA
  • High voltage range up to 690V AC
  • Group protection without interruption

Main features

  • S800-SCL-SR is available as IEC version (1-2-3 pole) and IEC/UL version (3-pole)
  • Combined with S800S-B/C/D/K/KM, MS/MO325, MS/MO132, MS132-T

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