Miniature Circuit Breakers (MCB)

Miniature Circuit Breakers (MCBs) are compact protective devices used to safeguard electrical circuits against overloads and short circuits. They are commonly installed in distribution boards, control panels, and lighting panels where space efficiency and dependable protection are required.

AmpState’s MCB collection includes a wide range of breakers suitable for residential, commercial, and light industrial applications, supporting both new installations and replacement needs.


KEY FEATURES & SPECIFICATIONS (optional but recommended)

MCBs in this collection may include:

  • Low to medium amperage ratings for branch circuits

  • Standard voltage ratings used in low-voltage systems

  • Tripping curves such as B, C, and D types

  • Single-pole, double-pole, and multi-pole configurations

  • DIN-rail mounting for compact panel installations

Specifications vary by model and manufacturer.


APPLICATIONS

MCBs are commonly used in:

  • Residential distribution boards

  • Commercial electrical panels

  • Lighting and power circuits

  • Control panels and enclosures

  • Light industrial electrical systems

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Hubbell GFSMCB120161P - 16A, 120VAC, 120161-Pole, GFCI Ground-Fault Circuit Breaker

Regular price $177.00
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Square D QOB380 - 80A, 3-Pole, Miniature Circuit Breaker (MCB)

Regular price $332.00
Sale price $332.00 Regular price
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General Electric THQB2140 - 40A, 2-Pole, Miniature Circuit Breaker (MCB)

Regular price $113.00
Sale price $113.00 Regular price
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Siemens BQD330 - 30A, 480VAC, 3-Pole, Miniature Circuit Breaker (MCB)

Regular price $641.00
Sale price $641.00 Regular price
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General Electric THQL2160GFT - 60A, 2-Pole, Miniature Circuit Breaker (MCB)

Regular price $244.00
Sale price $244.00 Regular price
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Square D HOM115DFC - 15A, Miniature Circuit Breaker (MCB)

Regular price $154.00
Sale price $154.00 Regular price
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Allen Bradley 1489-M2C005 - 5A, 2-Pole, Miniature Circuit Breaker (MCB)

Regular price $242.00
Sale price $242.00 Regular price
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Square D EH34030 - 30A, Miniature Circuit Breaker (MCB)

Regular price $743.00
Sale price $743.00 Regular price
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General Electric THQB32080 - 80A, 3-Pole, Miniature Circuit Breaker (MCB)

Regular price $303.00
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Eaton FAZ-D20/2 - 20A, 2-Pole, Miniature Circuit Breaker (MCB)

Regular price $81.00
Sale price $81.00 Regular price
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Moeller FAZ-D2/2 - 2A, Miniature Circuit Breaker (MCB)

Regular price $127.00
Sale price $127.00 Regular price
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Universal 63AMP - 63A, 2-Pole, Miniature Circuit Breaker (MCB)

Regular price $25.00
Sale price $25.00 Regular price
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