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Items 1-10 of 103

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  1. S201UP-K6
    S201UP-K6
    ABB Circuit Breakers, S200UP Series
    Item Number
    S201UP-K6
    MFG Item Number
    S201UP-K6
    Series
    S200UP
    Product Description
    Circuit Breaker, 1-P, 6A/277V, K,
    Specifications
    Specifications
    Poles 1
    Current Rating 6 A
    Protection Branch Circuit
    Trip Curve K
    Terminals Included Line and Load
    Trip Unit Fixed Thermal / Fixed Magnetic
    Mounting DIN Rail
    UL Standard 489
    CSA Standard 22.2
    Neutral Pole No
    kAIC @ 120 VAC 10
    kAIC @ 240 VAC 10
    kAIC @ 277/480 VAC 10
    Terminal Type Screw
    Auxiliary Switch Optional
    Shunt Trip Optional
    Undervoltage Release No
    Alarm Switch Optional
    Busbar Optional
    Increase
    Decrease
    Availability
  2. S203UP-K5
    S203UP-K5
    ABB Circuit Breakers, S200UP Series
    Item Number
    S203UP-K5
    MFG Item Number
    S203UP-K5
    Series
    S200UP
    Product Description
    Circuit Breaker, 3-P, 5A/277VAC, K,
    Specifications
    Specifications
    Poles 3
    Current Rating 5 A
    Protection Branch Circuit
    Trip Curve K
    Terminals Included Line and Load
    Trip Unit Fixed Thermal / Fixed Magnetic
    Mounting DIN Rail
    UL Standard 489
    CSA Standard 22.2
    Neutral Pole No
    kAIC @ 120 VAC 10
    kAIC @ 240 VAC 10
    kAIC @ 277/480 VAC 10
    Terminal Type Screw
    Auxiliary Switch Optional
    Shunt Trip Optional
    Undervoltage Release No
    Alarm Switch Optional
    Busbar Optional
    Increase
    Decrease
    Availability
  3. S203UP-K8
    S203UP-K8
    ABB Circuit Breakers, S200UP Series
    Item Number
    S203UP-K8
    MFG Item Number
    S203UP-K8
    Series
    S200UP
    Product Description
    Circuit Breaker, 3-P, 8A/277VAC, K,
    Specifications
    Specifications
    Poles 3
    Current Rating 8 A
    Protection Branch Circuit
    Trip Curve K
    Terminals Included Line and Load
    Trip Unit Fixed Thermal / Fixed Magnetic
    Mounting DIN Rail
    UL Standard 489
    CSA Standard 22.2
    Neutral Pole No
    kAIC @ 120 VAC 10
    kAIC @ 240 VAC 10
    kAIC @ 277/480 VAC 10
    Terminal Type Screw
    Auxiliary Switch Optional
    Shunt Trip Optional
    Undervoltage Release No
    Alarm Switch Optional
    Busbar Optional
    Increase
    Decrease
    Availability
    Order by 5:00 PM ET and your package will ship the same day.
  4. S201UP-K1
    S201UP-K1
    ABB Circuit Breakers, S200UP Series
    Item Number
    S201UP-K1
    MFG Item Number
    S201UP-K1
    Series
    S200UP
    Product Description
    Circuit Breaker, 1-P, 1A/277V, K,
    Specifications
    Specifications
    Poles 1
    Current Rating 1 A
    Protection Branch Circuit
    Trip Curve K
    Terminals Included Line and Load
    Trip Unit Fixed Thermal / Fixed Magnetic
    Mounting DIN Rail
    UL Standard 489
    CSA Standard 22.2
    Neutral Pole No
    kAIC @ 120 VAC 10
    kAIC @ 240 VAC 10
    kAIC @ 277/480 VAC 10
    Terminal Type Screw
    Auxiliary Switch Optional
    Shunt Trip Optional
    Undervoltage Release No
    Alarm Switch Optional
    Busbar Optional
    Availability

    Obsolete Item No Longer Available

  5. S201UP-K5
    S201UP-K5
    ABB Circuit Breakers, S200UP Series
    Item Number
    S201UP-K5
    MFG Item Number
    S201UP-K5
    Series
    S200UP
    Product Description
    Circuit Breaker, 1-P, 5A/277V, K,
    Specifications
    Specifications
    Poles 1
    Current Rating 5 A
    Protection Branch Circuit
    Trip Curve K
    Terminals Included Line and Load
    Trip Unit Fixed Thermal / Fixed Magnetic
    Mounting DIN Rail
    UL Standard 489
    CSA Standard 22.2
    Neutral Pole No
    kAIC @ 120 VAC 10
    kAIC @ 240 VAC 10
    kAIC @ 277/480 VAC 10
    Terminal Type Screw
    Auxiliary Switch Optional
    Shunt Trip Optional
    Undervoltage Release No
    Alarm Switch Optional
    Busbar Optional
    Availability

    Obsolete Item No Longer Available

  6. S201UP-K0.2
    S201UP-K0.2
    ABB Circuit Breakers, S200UP Series
    Item Number
    S201UP-K0.2
    MFG Item Number
    S201UP-K0.2
    Series
    S200UP
    Product Description
    Circuit Breaker, 1-P, 0.2A/277V, K
    Specifications
    Specifications
    Poles 1
    Current Rating 0.2 A
    Protection Branch Circuit
    Trip Curve K
    Terminals Included Line and Load
    Trip Unit Fixed Thermal / Fixed Magnetic
    Mounting DIN Rail
    UL Standard 489
    CSA Standard 22.2
    Neutral Pole No
    kAIC @ 120 VAC 10
    kAIC @ 240 VAC 10
    kAIC @ 277/480 VAC 10
    Terminal Type Screw
    Auxiliary Switch Optional
    Shunt Trip Optional
    Undervoltage Release No
    Alarm Switch Optional
    Busbar Optional
    Availability

    Obsolete Item No Longer Available

  7. S201UP-K0.3
    S201UP-K0.3
    ABB Circuit Breakers, S200UP Series
    Item Number
    S201UP-K0.3
    MFG Item Number
    S201UP-K0.3
    Series
    S200UP
    Product Description
    Circuit Breaker, 1-P, 0.3A/277V, K
    Specifications
    Specifications
    Poles 1
    Current Rating 0.3 A
    Protection Branch Circuit
    Trip Curve K
    Terminals Included Line and Load
    Trip Unit Fixed Thermal / Fixed Magnetic
    Mounting DIN Rail
    UL Standard 489
    CSA Standard 22.2
    Neutral Pole No
    kAIC @ 120 VAC 10
    kAIC @ 240 VAC 10
    kAIC @ 277/480 VAC 10
    Terminal Type Screw
    Auxiliary Switch Optional
    Shunt Trip Optional
    Undervoltage Release No
    Alarm Switch Optional
    Busbar Optional
    Availability

    Obsolete Item No Longer Available

  8. S201UP-K0.5
    S201UP-K0.5
    ABB Circuit Breakers, S200UP Series
    Item Number
    S201UP-K0.5
    MFG Item Number
    S201UP-K0.5
    Series
    S200UP
    Product Description
    Circuit Breaker, 1-P, 0.5A/277V, K
    Specifications
    Specifications
    Poles 1
    Current Rating 0.5 A
    Protection Branch Circuit
    Trip Curve K
    Terminals Included Line and Load
    Trip Unit Fixed Thermal / Fixed Magnetic
    Mounting DIN Rail
    UL Standard 489
    CSA Standard 22.2
    Neutral Pole No
    kAIC @ 120 VAC 10
    kAIC @ 240 VAC 10
    kAIC @ 277/480 VAC 10
    Terminal Type Screw
    Auxiliary Switch Optional
    Shunt Trip Optional
    Undervoltage Release No
    Alarm Switch Optional
    Busbar Optional
    Availability

    Obsolete Item No Longer Available

  9. S201UP-K0.75
    S201UP-K0.75
    ABB Circuit Breakers, S200UP Series
    Item Number
    S201UP-K0.75
    MFG Item Number
    S201UP-K0.75
    Series
    S200UP
    Product Description
    Circuit Breaker, 1-P, 0.75A/277V, K,
    Specifications
    Specifications
    Poles 1
    Current Rating 0.75 A
    Protection Branch Circuit
    Trip Curve K
    Terminals Included Line and Load
    Trip Unit Fixed Thermal / Fixed Magnetic
    Mounting DIN Rail
    UL Standard 489
    CSA Standard 22.2
    Neutral Pole No
    kAIC @ 120 VAC 10
    kAIC @ 240 VAC 10
    kAIC @ 277/480 VAC 10
    Terminal Type Screw
    Auxiliary Switch Optional
    Shunt Trip Optional
    Undervoltage Release No
    Alarm Switch Optional
    Busbar Optional
    Availability

    Obsolete Item No Longer Available

  10. S201UP-K1.6
    S201UP-K1.6
    ABB Circuit Breakers, S200UP Series
    Item Number
    S201UP-K1.6
    MFG Item Number
    S201UP-K1.6
    Series
    S200UP
    Product Description
    Circuit Breaker, 1-P, 1.6A/277V, K,
    Specifications
    Specifications
    Poles 1
    Current Rating 1.6 A
    Protection Branch Circuit
    Trip Curve K
    Terminals Included Line and Load
    Trip Unit Fixed Thermal / Fixed Magnetic
    Mounting DIN Rail
    UL Standard 489
    CSA Standard 22.2
    Neutral Pole No
    kAIC @ 120 VAC 10
    kAIC @ 240 VAC 10
    kAIC @ 277/480 VAC 10
    Terminal Type Screw
    Auxiliary Switch Optional
    Shunt Trip Optional
    Undervoltage Release No
    Alarm Switch Optional
    Busbar Optional
    Availability

    Obsolete Item No Longer Available

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Circuit Protection

Circuit breakers and fuses protect against overload and short circuits for all types of applications.

A circuit breaker is an automatically-operated electrical switch designed to protect an electrical circuit from damage caused by excess current, typically resulting from an overload or short circuit. The circuit breaker trips to interrupt the circuit, and be reset and reused.
Fuses provide the same protections. If too much current flows through the fuse, a metal link in the fuse body will melt and interrupt the circuit. A fuse can only trip and open the circuit once, so it must be replaced or repaired to complete the circuit again. Fuses are typically installed in fuse blocks, either for storage or to consolidate fuses in one, easily maintained location.

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