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Circuit breaker

Circuit breakers provide reliable cable protection, system protection and protection of persons in hazardous areas
R. STAHL offers a variety of different circuit breakers designed for specific intended purposes in hazardous areas, each and every one of which provides outstanding protection against earth faults, overload and short circuits. Thanks to a broad variety of versions, the appropriate protection can be optimally adapted to the conditions at the operating location.

R. STAHL produces various types of circuit breaker, which protect your systems your personnel against earth faults, overload, short circuit and dangerous shock currents. They are designed for nominal currents 0.5-63 A and nominal fault currents of 10/30/100/300/500 mA and can safely switch off 6 and 10 kA short-circuit currents. The 8523/8 series motor protection circuit breakers are a non-adjustable fast short-circuit release and an adjustable thermal overload release up to 22.5 A, and can also be used as moulded case circuit breakers. The circuit breaker in the proven 8562/5 series and the new 8530/1 series switch off safely and reliably. The miniature circuit breakers in both series switch off safely and selectively and, in the event of a short circuit, very effectively limit the current in order to minimise the load on the cables. The residual current circuit breaker reliably triggers in the event of residual current and protects life. A combination of the two previously mentioned components, the RCD/MCB is a residual current circuit breaker and also performs the role of a miniature circuit breaker. This practical combination reduces installation work and the space required.

  • Excellent current limiting in the event of a short circuit, low cable load, high selectivity
  • Moulded case circuit breaker/motor protection circuit breaker with adjustable thermal overcurrent release
  • Residual current circuit breaker of various types: A, AS, F, B and B+
  • RCD/MCB circuit breaker as space-saving combination of residual current, overload and short-circuit protection

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Zone Filter
AC rated operational voltage
DC Rated operational voltage
Rated operational current
Rated residual current
Auxiliary contacts
Auxiliary contacts 2
N-pole present
Tripping characteristic
Rated switching capacity
No. of poles
Min. ambient temperature
Max. ambient temperature

6 Series (467 Products)

Ex MCB miniature circuit breakers Series 8530 R. STAHL

MCB miniature circuit breakers Series 8530

  • Isolation function in accordance with EN60947-2
  • Energy limitation class 3
  • Simple replacement or expansion of your system thanks to a modular circuit breaker design
  • Simple installation – it snaps onto the mounting rail in Ex e enclosures
  • Non-adjustable thermal and magnetic releases
  • Ergonomically shaped operating lever guarantees that the system can be switched on and off safely
  • Padlocks (Accessories) provide protection against being switched on again during maintenance work
Ex Residual current circuit breakers Series 8530 R. STAHL

Residual current circuit breakers Series 8530

  • Modular component for residual current monitoring
  • Can be used for pulsating direct currents and alternating currents
  • Fault protection, protection of persons and protection against electrical fires caused by residual currents to earth
Ex Residual current circuit breakers with overcurrent release Series 8530 R. STAHL

Residual current circuit breakers with overcurrent release Series 8530

  • Residual current monitoring and tripping in the event of overvoltage and short circuit
  • Combination of residual current circuit breaker and miniature circuit breaker: Saves space, reduces installation requirements
  • Reliable functional test using the integrated test button
  • International approvals for worldwide use
  • Simple replacement or expansion of your system thanks to a modular circuit breaker design
  • Simple installation – it snaps onto the mounting rail of Ex e enclosures
  • Padlocks provide protection against being switched on again during maintenance work
  • Ergonomically shaped operating lever guarantees that the system can be switched on and off safely
Ex Miniature Circuit-Breaker IEC Series 8562 R. STAHL

Miniature circuit breakers IEC Series 8562

  • Non-adjustable thermal and magnetic releases
  • Isolating function in accordance with EN 60947-2
  • Energy limiting class 3
Ex Residual Current Circuit-Breaker with Integral Overcurrent Protection Series 8562 R. STAHL

Residual current circuit breakers Series 8562

  • Modular component for residual current monitoring
  • Can be used for pulsating direct currents and alternating currents
  • Protection against contact voltages
Ex Residual Current Circuit-Breaker with Integral Overcurrent Protection Series 8562 R. STAHL

Residual current circuit breakers with overcurrent release Series 8562

  • Residual current monitoring and tripping in the event of overvoltage
  • Combination of residual current circuit breaker and miniature circuit breaker: Saves space, reduces installation requirements
  • Good current limiting in the event of a short circuit

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Ex contact customer service center R. STAHL

SERVICE CENTER

Southeast Asia & Japan
+65 627 195 95
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