Close
(0) Shopping cart
You have no items in your shopping cart.
Shopping Categories
    Filters
    Preferences
    Search

    Circuit Breakers

    View as Grid List
    Display per page
    Sort by

    1 amp 1 pole Miniature Circuit Breaker

    $57.49
    SKU: ATO-MCB-1P01
    1 pole miniature circuit breaker with 1A current rating, and can safely be used in AC 50Hz, 230/400V with a 6 kA short circuit withstand rating, provide overload and short circuit protection for conductors.

    1 amp 2 pole Miniature Circuit Breaker

    $68.99
    SKU: ATO-MCB-2P01
    Low price 1 amp 2 pole miniature circuit breaker meets IEC standard to provide the supplementary protection for the electrical equipment with 6kA short circuit breaking capacity, trip characteristic of C curve. Compact size, DIN rail mounting and safe in use.

    12kV Vacuum Circuit Breaker, 1250A, 2000A

    $2,755.16
    SKU: ATO-VCB-12A
    12kv vacuum circuit breaker at affordable price for sale online. Rated short circuit breaking current about 20kA, 40kA and 50kA. It is suitable for indoor use. Compact design enables the 12kv circuit breaker to be installed within almost all switchgears.

    2 amp 3 pole Miniature Circuit Breaker

    $81.69
    SKU: ATO-MCB-3P02
    Three pole thermal-magnetic miniature circuit breaker (MCB) in accordance with IEC standard for 35 mm DIN rail mounting with toggle actuation and 6kA interrupt capacity. C curve trip characteristic, give you the ability to configure the exact protection scheme you required.

    2 amp 4 pole Miniature Circuit Breaker

    $93.29
    SKU: ATO-MCB-4P02
    Compact miniature circuit breaker, 2 amp, 4 pole, with 6 kA short circuit breaking capacity at 230/400V AC, and C curve trip characteristic, is designed for short circuit and overload protection.

    2 Pole Molded Case Circuit Breaker, 20A/ 30A/ 40A/ 50A to 100A

    $76.98
    SKU: ATO-MCCB-1002P
    2 pole molded case circuit breaker with 20A/ 30A/ 40A/ 50A, max. current 100 amp for selection, rated operating voltage 400V, rated insulated voltage 800 volt. The molded case breaker is suitable for conversion of line and infrequent starting motor.

    2 amp 1 pole Miniature Circuit Breaker

    $55.81
    SKU: ATO-MCB-1P02
    Low price 1 pole miniature circuit breaker with 2 amp rated current, DIN rail mounting, can safely be used in AC 50Hz, 230/400V with a 6 kA short circuit withstand rating, provide overload and short circuit protection for conductors.

    2 amp 2 pole Miniature Circuit Breaker

    $68.99
    SKU: ATO-MCB-2P02
    ATO 2 amp 2 pole miniature circuit breaker is designed for short circuit and overload protection for the branch circuit and equipment with high performance in interrupt rating 6kA at 230/400V AC, and C curve can meet the different needs of applications.

    3 Pole Molded Case Circuit Breaker, 50A/ 60A/ 75A/ 100A

    $83.33
    SKU: ATO-MCCB-1003P
    High quality molded case circuit breaker is intended for the short circuit and overload protection in the AC 50/60Hz circuit, 3 pole mccb breaker featuring rated current 50A/ 60A/ 75A/ 100A are optional, 50kA short circuit breaking capacity. Molded circuit breaker is used to distribute electric energy and protect circuits and electrical equipment from overload or short circuit.

    40kV Vacuum Circuit Breaker, 1250A, 50Hz

    $11,789.81
    SKU: ATO-VCB-40
    Lower cost vacuum circuit breaker with 40kv rated voltage for sale online. Indoor vacuum circuit breaker has a switching capacity capable of handling the loads occurring at start-up and shutdown. Opening time is 30ms~60ms, closing time is 50ms~100ms. Acting to protect and control line is the function of vcb.

    6 amp 3 pole Miniature Circuit Breaker

    $76.85
    SKU: ATO-MCB-3P06
    6 amp current rating miniature circuit breaker with 6kA excellent breaking capability for its compact size, is designed for the short circuit and overload protection in the AC 50Hz circuit, 230/400V 3 pole voltage.

    6 amp 4 pole Miniature Circuit Breaker

    $86.79
    SKU: ATO-MCB-4P06
    4 pole miniature circuit breaker with 6 amps current rating, with C trip characteristic and capable of protecting the system against short-circuit currents up to 6kA. Good quality at lower price, manufactured direct sale.

    10 amp 4 pole Miniature Circuit Breaker

    $79.29
    SKU: ATO-MCB-4P10
    10 amp 4-pole mini circuit breaker, with 6 kA short circuit breaking capacity at 230/400V AC, suitable for supplementary protection. High quality and good performance MCB, in accordance with IEC standard, C trip curve.

    12kV Vacuum Circuit Breaker, 50Hz, 630A

    $2,268.22
    SKU: ATO-VCB-12B
    Economical price vacuum circuit breaker with 12kv rated voltage. Vacuum circuit breaker voltage range is 11kv to 40kv. 12kv vacuum circuit breaker has particular advantages for use in networks where there is a high switching frequency in the working current range.

    13 amp 3 pole Miniature Circuit Breaker

    $38.00
    SKU: ATO-MCB-3P13
    3 pole MCB circuit breaker with 6kA short circuit breaking capacity and 13A current rating at 230/400V AC, possibility for locking the toggle in ON or OFF position. High density mini circuit breaker is thermal-magnetic type supplementary overcurrent protective device.

    3 amp 1 pole Miniature Circuit Breaker

    $57.49
    SKU: ATO-MCB-1P03
    Single pole mini circuit breaker with 3A current rating, offer optimum and efficient protection for branch and control circuits. The 6kA breaking capacity of this mcb makes it ideal for commercial and industrial applications.

    3 amp 2 pole Miniature Circuit Breaker

    $69.69
    SKU: ATO-MCB-2P03
    3 Amp 2 pole 6kA miniature circuit breaker complys with IEC standard, and C trip characteristic to meet protecting requirements. Compact structure, DIN rail installation, reliable performance, good interrupt capacity and safe in use.

    3 Pole Molded Case Circuit Breaker, 100A/ 150A/ 200A/ 250A

    $139.14
    SKU: ATO-MCCB-2503P
    3 pole molded case circuit breaker at lower price, easy to install. Mccb breaker is capable of protecting the system against short circuit current up to 50kA. It has 1500 times' electrical life and 8500 times' mechanical life. Molded circuit breaker is used to distribute electric energy and protect circuits and electrical equipment from overload or short circuit.

    3 Pole Molded Case Circuit Breaker, 250A/ 300A/ 350A/ 400A

    $307.14
    SKU: ATO-MCCB-4003P
    3 pole molded case circuit breaker for sales online. Mccb circuit breaker with rated operating voltage 380/415V AC, 50Hz/ 60Hz, operating temperature from -25℃ to 50℃. The 400 amp mccb can be used for conversion of line and infrequent starting motor.

    4 Pole Molded Case Circuit Breaker, 50A/ 60A/ 75A/ 100A

    $92.86
    SKU: ATO-MCCB-1004P
    Factory price molded case circuit breaker online for sale. 4 pole mccb with rated current 50A/60A/75A/100A for selection, rated voltage 380/ 415VAC, 50Hz/ 60Hz. Molded case breaker offers stable and reliable function, beautiful appearance, small size and long service life.

    ATOCLXB series miniature circuit breakers are 35mm DIN rail mounted and module width of only 18mm per pole, offering a compact solution for protection requirements. They are manufactured in 1, 2, 3, and 4 pole versions of different current from 1A to 63A and voltage ratings 230/400V, 240/415V, 277/480V. ATO MCBs are suitable for use as supplementary protectors in accordance with UL 1077 listed  with 5kA short circuit breaking capacity at 277/480V AC supply, and also provide overload and short circuit protection in accordance with IEC standard with 6/10kA breaking capacity at 230/400V, 240/415V AC supply. Dual rated UL and IEC circuit breakers are ideal for providing protection in many applications. Three different trip characteristics, including B, C and D curves are available for your selection.