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Mini Circuit Breakers

Miniature circuit breakers, commonly referred to as MCBs, are crucial devices in electrical systems for providing overload protection and short circuit protection. They are typically used in residential, commercial, and even some industrial applications to ensure electrical safety. Unlike air circuit breakers or molded case circuit breakers, these are much smaller and are suitable for protecting low current circuits.

One of the most significant features of miniature circuit breakers is their magnetic tripping mechanism. This mechanism is essential for quickly detecting and interrupting short circuit conditions, thereby safeguarding the electrical circuit and any connected equipment. When a short circuit or overload is detected, the tripping mechanisms activate, automatically breaking the circuit to prevent damage.

Another critical aspect of a mini circuit breaker is its various trip curves, which can be chosen based on the specific needs of the electrical system. These curves define how quickly the MCB will trip in response to an overload current. It's crucial to select the right MCB with the appropriate trip curve and current ratings to match the characteristics of your electrical system.

Products

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$1184.47
ABB S802PV-SP6 is a 2-pole High Performance Circuit breaker for photovoltaics (DC) with B-characteristic, with cage terminal and a rated current of 6 A. It is a current limiting device with a maximum breaking capacity of 5kA at 800V. It can be used for voltages up to 800V DC. It has two different tripping mechanisms, the thermal tripping mechanism for overload protection and the electromechanic tripping mechanism for short circuit protection. ABB S802PV-SP6 complies with IEC/EN 60947-2 and allows the use for industrial applications. It has numerous of approvals, therefore it can be used worldwide. ABB extensive range of accessory makes the use of S802PV-SP6 more comfortable. Due to the fast arc extinction of S802PV-SP6 your application will be secured.
$369.72
ABB S403M-C10 - SMISSLINE TP S400M are a current limiting miniature circuit breakers. They have two different tripping mechanisms, the delayed thermal tripping mechanism for overload protection and the electromechanic tripping mechanism for short circuit protection. They are available in different characteristics (B,C,D,K), configurations (1P,1P+N,2P,3P,3P+N), breaking capacities (up to 10 kA at 240/415 V AC ) and rated currents (up to 63A). MCBs of the product range S400M are comply with IEC/EN 60898-1 for B,C and D characteristic and IEC/EN 60947-2 for C and K characteristic. The pluggable solution is only for the SMISSLINE TP System, allowing the use for commercial, industrial, and critical power applications.
$165.83
ABB M201- 6,3A Miniature Circuit Breaker OM 6,3A,1P
$165.83
ABB M201- 2,5A Miniature Circuit Breaker OM 2.5A,1P
$224.01
ABB ST202M-Z50 - ABB's UL 1077 series of supplementary protectors offers a compact solution for circuit protection needs with thermal-magnetic trip protection according to various trip curves. These DIN rail-mounted devices are globally certified (UL, CSA, IEC, CE) and feature energy limiting, fast breaking times, a bus connection system, and versatility for reverse feed. The S800S and S800C series, known for their space-saving design, cover a wide current range and meet global standards for installation flexibility.
$224.01
ABB ST202M-K50 - ABB's UL 1077 series of supplementary protectors offers a compact solution for circuit protection needs with thermal-magnetic trip protection according to various trip curves. These DIN rail-mounted devices are globally certified (UL, CSA, IEC, CE) and feature energy limiting, fast breaking times, a bus connection system, and versatility for reverse feed. The S800S and S800C series, known for their space-saving design, cover a wide current range and meet global standards for installation flexibility.
$224.01
ABB ST202M-D50 - ABB's UL 1077 series of supplementary protectors offers a compact solution for circuit protection needs with thermal-magnetic trip protection according to various trip curves. These DIN rail-mounted devices are globally certified (UL, CSA, IEC, CE) and feature energy limiting, fast breaking times, a bus connection system, and versatility for reverse feed. The S800S and S800C series, known for their space-saving design, cover a wide current range and meet global standards for installation flexibility.
$224.01
ABB ST202M-C50 - ABB's UL 1077 series of supplementary protectors offers a compact solution for circuit protection needs with thermal-magnetic trip protection according to various trip curves. These DIN rail-mounted devices are globally certified (UL, CSA, IEC, CE) and feature energy limiting, fast breaking times, a bus connection system, and versatility for reverse feed. The S800S and S800C series, known for their space-saving design, cover a wide current range and meet global standards for installation flexibility.
$224.01
ABB ST202M-B50 - ABB's UL 1077 series of supplementary protectors offers a compact solution for circuit protection needs with thermal-magnetic trip protection according to various trip curves. These DIN rail-mounted devices are globally certified (UL, CSA, IEC, CE) and feature energy limiting, fast breaking times, a bus connection system, and versatility for reverse feed. The S800S and S800C series, known for their space-saving design, cover a wide current range and meet global standards for installation flexibility.
$224.01
ABB ST201M-Z50NA - ABB's UL 1077 series of supplementary protectors offers a compact solution for circuit protection needs with thermal-magnetic trip protection according to various trip curves. These DIN rail-mounted devices are globally certified (UL, CSA, IEC, CE) and feature energy limiting, fast breaking times, a bus connection system, and versatility for reverse feed. The S800S and S800C series, known for their space-saving design, cover a wide current range and meet global standards for installation flexibility.
$224.01
ABB ST201M-K50NA - ABB's UL 1077 series of supplementary protectors offers a compact solution for circuit protection needs with thermal-magnetic trip protection according to various trip curves. These DIN rail-mounted devices are globally certified (UL, CSA, IEC, CE) and feature energy limiting, fast breaking times, a bus connection system, and versatility for reverse feed. The S800S and S800C series, known for their space-saving design, cover a wide current range and meet global standards for installation flexibility.
$224.01
ABB ST201M-D50NA - ABB's UL 1077 series of supplementary protectors offers a compact solution for circuit protection needs with thermal-magnetic trip protection according to various trip curves. These DIN rail-mounted devices are globally certified (UL, CSA, IEC, CE) and feature energy limiting, fast breaking times, a bus connection system, and versatility for reverse feed. The S800S and S800C series, known for their space-saving design, cover a wide current range and meet global standards for installation flexibility.