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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Distribution Box 1-24 Ways Outdoor Junction Transparent Panel Waterproof MCB

Regular price $128.00
Sale price $128.00 Regular price
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Electrical Distribution Box IP65 Waterproof 2 3 5 Ways MCB Switch Meter Timer

Regular price $131.00
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Square D QOC24UF Type 1 Enclosure 125A 240V 1PH 24C MCB LOAD CENTER

Regular price $578.00
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200A MCB Square D NF Main Breaker Panel Interior 480V 3PH 4W NO COVER JDM36200

Regular price $2,581.00
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Electrical Distribution Box Plastic Waterproof Junction MCB Panel Mounted 5-Ways

Regular price $173.00
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GE 225 Amp Mcb Panelboard Interior NO COVER 480V 3 Phase 4 Wire 30 Circuit

Regular price $2,104.00
Sale price $2,104.00 Regular price
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AQF3422ATX GE 225 Amp Max Panel MCB Main Breaker 42 Circuit 3 Phase 4 Wire

Regular price $3,025.00
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Square D-EDB34080-Miniature Circuit Breaker, 80A, 3-Pole, Bolt-On

Regular price $978.00
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Allen-Bradley SK-U1-MCB1-A1 - Miniature Circuit Breaker (Mcb)

Regular price $1,569.00
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Allen-Bradley SK-R1-MCB1-PF755 - Miniature Circuit Breaker (Mcb)

Regular price $3,577.00
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Allen-Bradley SK-R1-MCB1-PF753 - Miniature Circuit Breaker (Mcb), 480VAC - Miniature Circuit Breaker (Mcb)

Allen-Bradley SK-R1-MCB1-PF753 - Miniature Circuit Breaker (Mcb), 480VAC

Regular price $1,688.00
Sale price $1,688.00 Regular price
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Square D QO215GFICP - Miniature Circuit Breaker (MCB)

Regular price $538.00
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