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Siemens Molded Case Circuit Breakers - Siemens MCCBs

Circuit Protection/Molded Case Circuit Breakers 
Viewing Page 1 of 622 (6,211 results)
Siemens Industry Inc. 3VA91330JB11 - Siemens Crct Brkr Accsry- Low V (3-pc)

3VA91330JB11 Siemens Low Voltage 1-Conductor Lug Terminal (3-pieces)

Item #: 3VA91330JB11
Manufacturer: Siemens
Supplier Part #: 3VA9133-0JB11

Siemens 3VA91330JB11 Low Voltage 3VA Circuit Breaker Accessory. 3-Piece Aluminum Body 1-Conductor Lug Terminal - Wire Size: 14 - 3/0 Awg. For (125a 3va5) Frame Ul Circuit Breakers.
$50.40

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3VA51701MU310AA0 Siemens Molded Case Circuit Breaker

Item #: 3VA51701MU310AA0
Manufacturer: Siemens
Supplier Part #: 3VA5170-1MU31-0AA0

Siemens 3VA51701MU310AA0 Molded Case Circuit Breaker; 3VA51 3P 70A 65KA MCP LO
$769.00
0 In Stock - Ordered on Request*
UOM: EA

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3VA51031MU310AA0 Siemens Molded Case Circuit Breaker

Item #: 3VA51031MU310AA0
Manufacturer: Siemens
Supplier Part #: 3VA5103-1MU31-0AA0

Siemens 3VA51031MU310AA0 Molded Case Circuit Breaker; 3VA51 3P 3A 65KA MCP LO
$691.00
0 In Stock - Ordered on Request*
UOM: EA

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3VA91440JB11 Siemens Circuit Breaker Accessory

Item #: 3VA91440JB11
Manufacturer: Siemens
Supplier Part #: 3VA9144-0JB11

Siemens 3VA91440JB11 Circuit Breaker Accessory Siemens Circuit Protection Breaker 3VA6 250A AL14-1/0AWG LUG 1WIRE 4PC
$106.00
0 In Stock - Ordered on Request*
UOM: EA

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3VA51505EC310AA0 Siemens Molded Case Circuit Breaker

Item #: 3VA51505EC310AA0
Manufacturer: Siemens
Supplier Part #: 3VA5150-5EC31-0AA0

Siemens 3VA51505EC310AA0 Molded Case Circuit Breaker; 3VA51 3P 50A 35KA FTAM
$536.76

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3VA51955EC310AA0 Siemens Molded Case Circuit Breaker

Item #: 3VA51955EC310AA0
Manufacturer: Siemens
Supplier Part #: 3VA5195-5EC31-0AA0

Siemens 3VA51955EC310AA0 Molded Case Circuit Breaker; 3VA51 3P 15A 35KA FTAM
$536.76

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3VA51305EC310AA0 Siemens Molded Case Circuit Breaker

Item #: 3VA51305EC310AA0
Manufacturer: Siemens
Supplier Part #: 3VA5130-5EC31-0AA0

Siemens 3VA51305EC310AA0 Molded Case Circuit Breaker; 3VA51 3P 30A 35KA FTAM
$536.76

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3VA64405HL312AA0 Siemens Molded Case Circuit Breaker

Item #: 3VA64405HL312AA0
Manufacturer: Siemens
Supplier Part #: 3VA6440-5HL31-2AA0

Siemens 3VA64405HL312AA0 Molded Case Circuit Breaker; LOW VOLTAGE 3VA UL MOLDED CASE CIRCUIT BREAKER WITH ELECTRONICTRIP UNIT. 3VA64 FRAME WITH MEDIUM (CLASS M) BREAKING CAPACITY. 400A3-POLE (18KAIC @ 600V) (35KAIC AT 480V). ETU320 TRIP UNIT LI. SPECIALFEATURES: W/O LUGS 100% RATED. DIMS (in): 5.4x9.8x5.4 Siemens Low Voltage Circuit Breaker
$4,638.69

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3VA51104ED210AA0 Siemens Molded Case Circuit Breaker

Item #: 3VA51104ED210AA0
Manufacturer: Siemens
Supplier Part #: 3VA5110-4ED21-0AA0

Siemens 3VA51104ED210AA0 Molded Case Circuit Breaker; 3VA51 2P 100A 25KA FTFM
$900.00
0 In Stock - Ordered on Request*
UOM: EA

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3VA91330JB10 Siemens Circuit Breaker Accessory

Item #: 3VA91330JB10
Manufacturer: Siemens
Supplier Part #: 3VA9133-0JB10

Siemens 3VA91330JB10 Circuit Breaker Accessory Siemens Breaker 3VA5 125A 3P SM LUG 1W
$56.00
0 In Stock - Ordered on Request*
UOM: EA

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Reliable Protection and Efficient Performance: Siemens Molded Case Circuit Breakers

Siemens Molded Case Circuit Breakers (MCCBs) are the ultimate solution for reliable electrical protection in diverse industrial, commercial, and residential applications. Siemens MCCBs combine robust construction, advanced technology, and trusted expertise to deliver unmatched performance and safeguard your electrical systems.

Understanding Molded Case Circuit Breakers:

Molded Case Circuit Breakers are versatile protective devices designed to detect and interrupt electrical faults, such as overcurrents and short circuits, in electrical distribution systems. They consist of a molded case housing, which encloses the circuit breaker mechanism and the trip unit responsible for sensing faults and initiating the tripping action. MCCBs are capable of handling higher current ratings compared to miniature circuit breakers (MCBs) and are commonly used in applications requiring enhanced protection and greater breaking capacities.

Benefits of Siemens Molded Case Circuit Breakers (MCCBs):

Reliable Electrical Protection: Siemens MCCBs are engineered to provide reliable protection for your electrical systems. With advanced trip unit technology, they offer precise and sensitive fault detection, ensuring quick and accurate interruption of current flow in the event of faults. This reliability prevents equipment damage, electrical fires, and potential hazards, safeguarding both personnel and assets.

High Breaking Capacities: Siemens Molded Case Circuit Breakers are designed to handle high breaking capacities, enabling efficient protection in applications with larger loads and higher fault currents. Their ability to swiftly interrupt fault currents ensures the safety and integrity of electrical systems, minimizing downtime and preventing extensive damage.

Flexible and Versatile Solutions: Siemens offers a wide range of Molded Case Circuit Breakers, providing flexibility to meet diverse application requirements. Whether you need MCCBs for industrial installations, commercial buildings, or residential projects, Siemens has a solution for you. They offer MCCBs with various current ratings, trip characteristics, and accessories, allowing you to customize the protection to your specific needs.

Advanced Features and Accessories: Siemens MCCBs come equipped with advanced features and accessories that enhance functionality and ease of use. Features like adjustable trip settings, thermal and magnetic trip mechanisms, and built-in monitoring capabilities offer greater control and visibility over your electrical systems. Additionally, accessories such as auxiliary contacts, shunt trips, and undervoltage releases provide added functionality and enhance system integration.

Trusted Brand and Expertise: Siemens is a trusted brand known for its quality, reliability, and technical expertise. With a rich history in electrical engineering and a commitment to innovation, Siemens consistently delivers superior products backed by extensive research and development. Choosing Siemens MCCBs ensures you are investing in a reputable brand that prioritizes safety and performance.

Explore our selection of Siemens Molded Case Circuit Breakers and experience the peace of mind that comes with superior electrical protection.