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Items 1-10 of 123

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  1. NDB5-J410-1P
    NDB5-J410-1P
    ASI-Automation Systems Interconnect Circuit Breakers, NDB5 Series
    Item Number
    NDB5-J410-1P
    MFG Item Number
    NDB5-J410-1P
    Series
    NDB5
    Product Description
    Miniature DIN Rail Mounted AC
    Specifications
    Specifications
    Poles 1
    Current Rating 10 A
    Protection Supplemental
    Trip Curve J4
    Terminals Included Line and Load
    Trip Unit Fixed Hydraulic / Fixed Magnetic
    Mounting DIN Rail
    UL Standard 1077
    Neutral Pole No
    kAIC @ 240 VAC 3
    kAIC @ 480 VAC 3
    kAIC @ 60 VDC 10
    Terminal Type Screw
    Auxiliary Switch No
    Shunt Trip No
    Undervoltage Release No
    Alarm Switch No
    Busbar No
    Increase
    Decrease
    Availability
  2. NDB5-J42-1P
    NDB5-J42-1P
    ASI-Automation Systems Interconnect Circuit Breakers, NDB5 Series
    Item Number
    NDB5-J42-1P
    MFG Item Number
    NDB5-J42-1P
    Series
    NDB5
    Product Description
    Miniature DIN Rail Mounted AC
    Specifications
    Specifications
    Poles 1
    Current Rating 2 A
    Protection Supplemental
    Trip Curve J4
    Terminals Included Line and Load
    Trip Unit Fixed Hydraulic / Fixed Magnetic
    Mounting DIN Rail
    UL Standard 1077
    Neutral Pole No
    kAIC @ 240 VAC 3
    kAIC @ 480 VAC 3
    kAIC @ 60 VDC 10
    Terminal Type Screw
    Auxiliary Switch No
    Shunt Trip No
    Undervoltage Release No
    Alarm Switch No
    Busbar No
    Increase
    Decrease
    Availability
  3. NDB5-Z445-2P
    NDB5-Z445-2P
    ASI-Automation Systems Interconnect Circuit Breakers, NDB5 Series
    Item Number
    NDB5-Z445-2P
    MFG Item Number
    NDB5-Z445-2P
    Series
    NDB5
    Product Description
    DC Circuit Breaker, 45 Amp, 2 Pole,
    Specifications
    Specifications
    Poles 2
    Current Rating 45 A
    Protection Supplemental
    Trip Curve Z4
    Terminals Included Line and Load
    Trip Unit Fixed Hydraulic / Fixed Magnetic
    Mounting DIN Rail
    UL Standard 1077
    Neutral Pole No
    kAIC @ 240 VAC 3
    kAIC @ 480 VAC 3
    kAIC @ 60 VDC 10
    Terminal Type Screw
    Auxiliary Switch No
    Shunt Trip No
    Undervoltage Release No
    Alarm Switch No
    Busbar No
    Increase
    Decrease
    Availability
  4. NDB5-J460-1P
    NDB5-J460-1P
    ASI-Automation Systems Interconnect Circuit Breakers, NDB5 Series
    Item Number
    NDB5-J460-1P
    MFG Item Number
    NDB5-J460-1P
    Series
    NDB5
    Product Description
    Miniature DIN Rail Mounted AC
    Specifications
    Specifications
    Poles 1
    Current Rating 60 A
    Protection Supplemental
    Trip Curve J4
    Terminals Included Line and Load
    Trip Unit Fixed Hydraulic / Fixed Magnetic
    Mounting DIN Rail
    UL Standard 1077
    Neutral Pole No
    kAIC @ 240 VAC 3
    kAIC @ 480 VAC 3
    kAIC @ 60 VDC 10
    Terminal Type Screw
    Auxiliary Switch No
    Shunt Trip No
    Undervoltage Release No
    Alarm Switch No
    Busbar No
    Increase
    Decrease
    Availability
    Order by 5:00 PM ET and your package will ship the same day.
  5. NDB5-J41-2P
    NDB5-J41-2P
    ASI-Automation Systems Interconnect Circuit Breakers, NDB5 Series
    Item Number
    NDB5-J41-2P
    MFG Item Number
    NDB5-J41-2P
    Series
    NDB5
    Product Description
    Miniature DIN Rail Mounted AC
    Specifications
    Specifications
    Poles 2
    Current Rating 1 A
    Protection Supplemental
    Trip Curve J4
    Terminals Included Line and Load
    Trip Unit Fixed Hydraulic / Fixed Magnetic
    Mounting DIN Rail
    UL Standard 1077
    Neutral Pole No
    kAIC @ 240 VAC 3
    kAIC @ 480 VAC 3
    kAIC @ 60 VDC 10
    Terminal Type Screw
    Auxiliary Switch No
    Shunt Trip No
    Undervoltage Release No
    Alarm Switch No
    Busbar No
    Increase
    Decrease
    Availability
    Order by 5:00 PM ET and your package will ship the same day.
  6. NDB5-J410-2P
    NDB5-J410-2P
    ASI-Automation Systems Interconnect Circuit Breakers, NDB5 Series
    Item Number
    NDB5-J410-2P
    MFG Item Number
    NDB5-J410-2P
    Series
    NDB5
    Product Description
    Miniature DIN Rail Mounted AC
    Specifications
    Specifications
    Poles 2
    Current Rating 10 A
    Protection Supplemental
    Trip Curve J4
    Terminals Included Line and Load
    Trip Unit Fixed Hydraulic / Fixed Magnetic
    Mounting DIN Rail
    UL Standard 1077
    Neutral Pole No
    kAIC @ 240 VAC 3
    kAIC @ 480 VAC 3
    kAIC @ 60 VDC 10
    Terminal Type Screw
    Auxiliary Switch No
    Shunt Trip No
    Undervoltage Release No
    Alarm Switch No
    Busbar No
    Increase
    Decrease
    Availability
    Order by 5:00 PM ET and your package will ship the same day.
  7. NDB5-J41-1P
    NDB5-J41-1P
    ASI-Automation Systems Interconnect Circuit Breakers, NDB5 Series
    Item Number
    NDB5-J41-1P
    MFG Item Number
    NDB5-J41-1P
    Series
    NDB5
    Product Description
    Miniature DIN Rail Mounted AC
    Specifications
    Specifications
    Poles 1
    Current Rating 1 A
    Protection Supplemental
    Trip Curve J4
    Terminals Included Line and Load
    Trip Unit Fixed Hydraulic / Fixed Magnetic
    Mounting DIN Rail
    UL Standard 1077
    Neutral Pole No
    kAIC @ 240 VAC 3
    kAIC @ 480 VAC 3
    kAIC @ 60 VDC 10
    Terminal Type Screw
    Auxiliary Switch No
    Shunt Trip No
    Undervoltage Release No
    Alarm Switch No
    Busbar No
    Increase
    Decrease
    Availability
    Order by 5:00 PM ET and your package will ship the same day.
  8. NDB5-J41-3P
    NDB5-J41-3P
    ASI-Automation Systems Interconnect Circuit Breakers, NDB5 Series
    Item Number
    NDB5-J41-3P
    MFG Item Number
    NDB5-J41-3P
    Series
    NDB5
    Product Description
    Miniature DIN Rail Mounted AC
    Specifications
    Specifications
    Poles 3
    Current Rating 1 A
    Protection Supplemental
    Trip Curve J4
    Terminals Included Line and Load
    Trip Unit Fixed Hydraulic / Fixed Magnetic
    Mounting DIN Rail
    UL Standard 1077
    Neutral Pole No
    kAIC @ 240 VAC 3
    kAIC @ 480 VAC 3
    kAIC @ 60 VDC 10
    Terminal Type Screw
    Auxiliary Switch No
    Shunt Trip No
    Undervoltage Release No
    Alarm Switch No
    Busbar No
    Increase
    Decrease
    Availability
    Order by 5:00 PM ET and your package will ship the same day.
  9. NDB5-J410-3P
    NDB5-J410-3P
    ASI-Automation Systems Interconnect Circuit Breakers, NDB5 Series
    Item Number
    NDB5-J410-3P
    MFG Item Number
    NDB5-J410-3P
    Series
    NDB5
    Product Description
    Miniature DIN Rail Mounted AC
    Specifications
    Specifications
    Poles 3
    Current Rating 10 A
    Protection Supplemental
    Trip Curve J4
    Terminals Included Line and Load
    Trip Unit Fixed Hydraulic / Fixed Magnetic
    Mounting DIN Rail
    UL Standard 1077
    Neutral Pole No
    kAIC @ 240 VAC 3
    kAIC @ 480 VAC 3
    kAIC @ 60 VDC 10
    Terminal Type Screw
    Auxiliary Switch No
    Shunt Trip No
    Undervoltage Release No
    Alarm Switch No
    Busbar No
    Increase
    Decrease
    Availability
    Order by 5:00 PM ET and your package will ship the same day.
  10. NDB5-J412-1P
    NDB5-J412-1P
    ASI-Automation Systems Interconnect Circuit Breakers, NDB5 Series
    Item Number
    NDB5-J412-1P
    MFG Item Number
    NDB5-J412-1P
    Series
    NDB5
    Product Description
    Miniature DIN Rail Mounted AC
    Specifications
    Specifications
    Poles 1
    Current Rating 12 A
    Protection Supplemental
    Trip Curve J4
    Terminals Included Line and Load
    Trip Unit Fixed Hydraulic / Fixed Magnetic
    Mounting DIN Rail
    UL Standard 1077
    Neutral Pole No
    kAIC @ 240 VAC 3
    kAIC @ 480 VAC 3
    kAIC @ 60 VDC 10
    Terminal Type Screw
    Auxiliary Switch No
    Shunt Trip No
    Undervoltage Release No
    Alarm Switch No
    Busbar No
    Increase
    Decrease
    Availability
    Order by 5:00 PM ET and your package will ship the same day.
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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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