Due to our relocation, shipments may experience delays. Contact your sales rep for details and updates.

Miniature Circuit Breakers (MCBs)

Miniature Circuit Breakers (MCBs)

Miniature Circuit Breakers (MCBs)

A miniature circuit breaker (MCB) is a type of electrical breaker that is designed to protect electrical circuits from damage due to overloading, short-circuiting, or other electrical faults. MCBs are commonly used in residential and light commercial electrical systems, and are typically smaller in size than traditional circuit breakers.

  • Product
  • Qty in Cart
  • Price
  • Contact Us For Quote
    Siemens B145 Miniature Circuit Breakers (MCBs)

    Siemens B145 Miniature Circuit Breakers (MCBs)

    MSRP $64.00
    Surplus $10.37
    SKU:  C15-18957 Brand:  Siemens MPN:  B145 UPC:   Shipping Weight:  0.00 lbs. Shipping Height:  0.00 In. Shipping Length:  0.00 In. Shipping Width:  0.00 In. Product...
    SKU:
    C15-18957
    Catalog:
    SiemensAG_00564_7_29_CAT.pdf
    Series:
    BL
    Voltage Rating:
    120/240 VAC
    Number of Poles:
    1
    Interrupting Rating:
    10000 A
    Current Rating:
    45 A
    Short Description:
    120 VAC, 45 A, 10 kA, 1-Pole, Bolt-On Mount, Molded Case, Branch, Panelboard Circuit Breaker
    Data Sheet:
    SiemensAG_05175_1_DATA.pdf
    Approval:
    UL 489, CSA C22.2
    Installation/Operator:
    SiemensAG_00215_INST.pdf
    Used On:
    P1/P2/P3/P4/P5 Panelboard
    Country of Origin:
    MEX
    MSRP $64.00
    Surplus $10.37
    Qty in Cart: 0
    Price:
    MSRP $64.00
    Surplus $10.37
  • Siemens BQ1B015H Miniature Circuit Breakers (MCBs) 15A 120V

    Siemens BQ1B015H Miniature Circuit Breakers (MCBs) 15A 120V

    MSRP $166.00
    Surplus $51.80
    Siemens BQ1B015H Miniature Circuit Breakers (MCBs) 15A 120V​ ARCA SKU:  C15-6127 Brand:  Siemens MPN:  BQ1B015H UPC:  78364316148 Shipping Weight:  0.30 lbs. Shipping Height:  3.00 In...
    SKU:
    C15-6127
    TS PIK:
    124819774
    Catalog:
    SiemensAG_09175_0_8_17_1_17_8_17_133_CAT.pdf
    Size:
    1 Inch Width x 3 Inch Depth x 4 Inch Height
    Interrupting Rating:
    22 kA
    Voltage Rating:
    120/240 VAC
    Current Rating:
    15 A
    Type:
    Molded Case, Low Vage, Circuit Protector
    Number of Poles:
    1
    Data Sheet:
    SiemensAG_09541_1_2_DATA.pdf
    Terminal Type:
    Load Lug
    Country of Origin:
    Mexico
    Short Description:
    BRKR BQH 1P 120V 15A 22K
    Approval:
    UL 489
    Maximum AC Voltage Rating:
    240 V
    MSRP $166.00
    Surplus $51.80
    Qty in Cart: 0
    Price:
    MSRP $166.00
    Surplus $51.80
  • Contact Us For Quote
    Siemens BQ1B040H Miniature Circuit Breakers (MCBs) Siemens BQ1B040H Miniature Circuit Breakers (MCBs)

    Siemens BQ1B040H Miniature Circuit Breakers (MCBs)

    MSRP $69.91
    Surplus $0.00
    SKU:  C15-18976 Brand:  Siemens MPN:  BQ1B040H UPC:  78364316152 Shipping Weight:  0.00 lbs. Shipping Height:  0.00 In. Shipping Length:  0.00 In. Shipping Width:  0.00 In...
    SKU:
    C15-18976
    Country of Origin:
    MEX
    Interrupting Rating:
    22 kA
    Short Description:
    BRKR BQH 1P 120V 40A 22K
    Number of Poles:
    1
    Size:
    1 Inch Width x 3 Inch Depth x 4 Inch Height
    Catalog:
    SiemensAG_09175_0_8_17_1_17_8_17_133_CAT.pdf
    Approval:
    UL 489
    Voltage Rating:
    120/240 VAC
    Type:
    Molded Case, Low Vage, Circuit Protector
    Current Rating:
    40 A
    Terminal Type:
    Load Lug
    Data Sheet:
    SiemensAG_09543_1_2_DATA.pdf
    Maximum AC Voltage Rating:
    240 V
    MSRP $69.91
    Surplus $0.00
    Qty in Cart: 0
    Price:
    MSRP $69.91
    Surplus $0.00
  • Siemens BQ1B070 Miniature Circuit Breakers (MCBs) 70A 120V

    Siemens BQ1B070 Miniature Circuit Breakers (MCBs) 70A 120V

    MSRP $85.50
    Surplus $33.57
    Siemens BQ1B070 Miniature Circuit Breakers (MCBs) 70A 120V​ ARCA SKU:  C15-6131 Brand:  Siemens MPN:  BQ1B070 UPC:  78364316118 Shipping Weight:  0.35 lbs. Shipping Height:  3.00 In...
    SKU:
    C15-6131
    TS PIK:
    124234486
    Catalog:
    SiemensAG_57191_7_4_7_5_7_8_7_38_7_39_7_156_CAT.pdf
    Short Description:
    120/240 VAC, 70 A, 10 kA Interrupt, 1-Pole, BQ Frame, Load Lug Terminal, Low Vage, Circuit Protector, Molded Case, Non-Interchangeable Trip Circuit Breaker
    Number of Poles:
    1
    Type:
    Molded Case, Low Vage, Circuit Protector
    Size:
    1 Inch Width x 3 Inch Depth x 4 Inch Height
    Interrupting Rating:
    10 kA
    Terminal Type:
    Load Lug
    Voltage Rating:
    120/240 VAC
    Current Rating:
    70 A
    Country of Origin:
    Mexico
    Approval:
    UL 489
    Maximum AC Voltage Rating:
    240 V
    MSRP $85.50
    Surplus $33.57
    Qty in Cart: 0
    Price:
    MSRP $85.50
    Surplus $33.57

Adding your products to cart

Disclaimer: ARCA Supply is not an authorized distributor, reseller or representative of any manufacturer, brand or product listed. All product names, trademarks, brands and logos are the property of their respective owners. The depiction, description or sale of products featuring these names, trademarks, brands and logos is for identification purposes only and is not intended to indicate any affiliation with or authorization by any rights holder. All items sold by ARCA Supply are covered under ARCA Supply's warranty and not the manufacturer warranty.