Zekeringautomaten


Zekeringautomaten

Miniature circuit breakers are applied to protect electric applications against an over current. When an electrical circuit is not protected the application can be damaged and unsafe situations may happen like fire. Mors Smitt delivers a wide range of miniature circuit breakers specially designed and tested according to railway regulations.
 
 

The Mors Smitt miniature circuit breaker portfolio:


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AR-Series Railway hydraulic magnetic circuit break…

  • Compact design.
  • Unique arc shute method which results in higher interrupting capacities.
  • Thermoset glass filles polyester halfshell construction for increased mechanical strength, electrical strength and to achieve highest level/rating on fire and smoke tests.
  • Standard blue housing and white handle to improve visibility.
  • Up to 6 poles configurations.
  • 0.1 -50 amps up to 277 Vac or 90Vdc
  • Precise, temperature independent, operation.
  • Wide choice of time delays, terminal options and actuator colors.
  • The breakers can also be equipped with an optional mid-trip handle style actuator.
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CR-Series Railway hydraulic magnetic circuit break…

  • Unique arc chute design which results in higher interrupting capacities.
  • Thermoset glass fi lled polyester halfshell construction for increased mechanical strength, electrical strength and to achieve highest level/rating on fire and smoke tests.
  • Wiping contacts - Mechanical linkage with two-step actuation – cleans contacts, provides high, positive contact pressure & longer contact life.
  • Standard blue housing and white. handle to improve visibility.
  • 1-6 poles.
  • Available with metric threaded stud terminals and american standard terminals.
  • The breakers can also be equipped with an optional mid-trip handle style actuator.
  • 0.02 - 100 amps.
  • Precise, temperature independant, operation.
  • Wide choice of time delays.
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ER-Series Railway hydraulic magnetic circuit break…

  • Ideally for higher amperage applications
  • Available woth front and back mounting
  • Heavy duty box wire connector for solid wire and a pressure plate connector for stranded wire
  • Unique arc chute design which results in higher interrupting capacities
  • Thermoset glass filled polyester halfshell construction for increased mechanical strength, electrical strength and to achieve highest level/rating on fire and smoke tests
  • Wiping contacts - Mechanical linkage with two-step actuation – cleans contacts, provides high, positive contact pressure & longer contact life
  • Standard blue housing and white handle to improve visibility
  • 1-6 poles
  • 0.1 - 120 amps
  • Precise, temperature independant, operation
  • Wide choice of time delays
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FR-Series Railway hydraulic magnetic circuit break…

  • Ideal for very high current applications
  • Precise, temperature independent operation
  • Panel/wall mount
  • Integrated auxiliary contacts (optional)
  • Up to 3 poles configuration
  • High interrupting capacities due to unique arc chute method
  • Mid-trip handle for electrical trip indication (optional)
  • Immediate resetting possible
  • Wide current range: 100 - 700 A
  • Wide choice of time delays
  • Maximum voltage 137.5 VDC / 277 VAC
  • High contact pressure & longer contact life due to wiping self-cleaning contacts
  • Flexibility by many options
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GR-Series Railway hydraulic magnetic circuit break…

  • Integrated auxiliary change over contacts are optional (pre-mounted)
  • 0,2 - 63A
  • 440 VAC & 110 VDC
  • Optional mid-trip handle style actuator
  • 1-4 poles
  • Precise, temperature independant, operation
  • Wiping contacts - mechanical linkage with two-step actuation – cleans contacts, provides high, positive contact pressure & longer contact life
  • Standard blue housing and white handle to improve visibility.
  • Wide choice of time delays