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Circuit Breakers & Fuses

55 products

Circuit breakers and fuses are critical components for electrical safety in any home, workshop, or commercial building. They safeguard electrical circuits and appliances from overloads and short circuits, preventing electrical damage and fire hazards. Discover reliable protection equipment at Motivs.lv to keep your electrical installations secure and compliant.

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AC Isolator Switch 4P, 230-440V AC, IP65, White
Beny
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Automatic Transfer Switch CNC YCQ4-100R/2P 2P 220V 100A
CNC
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Automatic Transfer Switch CNC YCQ4-100R/3P 3P 220V 100A
CNC
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CNC YCQ4-100R/4P Automatic Transfer Switch 4P 220V 100A
CNC
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DC Circuit Breaker 2P, 40A, 1000V DC
Beny
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DC Isolator Switch 2P 32A 1000VDC MC4 IP66
Beny
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DC Isolator Switch 4P 32A 1200V DC DIN Rail Mount
Hismart
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DC Isolator Switch 4P, 32A, 1000V DC, DIN Rail
CNC
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DC Miniature Circuit Breaker 2P 63A 500V DC 6kA Cat.A
CNC
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DC Miniature Circuit Breaker 4P, 63A, Cat.A, 1000V DC, 6kA
CNC
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DC Molded Case Circuit Breaker 2P, 125A, 500VDC, Black
Beny
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Fuse gG 125A 500V, 22x58mm
CNC
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Fuse Holder 1P 690V 125A DIN Rail Mount (22x58 mm)
CNC
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Miniature Circuit Breaker 1P 10A Class C 6kA
CNC
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Miniature Circuit Breaker 1P 16A Class C 6kA
CNC
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Miniature Circuit Breaker 1P 25A Class C 6kA
CNC
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Miniature Circuit Breaker 1P 40A Class C 6kA
CNC
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Miniature Circuit Breaker 1P, 32A, Class C, 6kA
CNC
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Miniature Circuit Breaker 1P, 50A, Class C, 6kA
CNC
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Miniature Circuit Breaker 2P 20A Class C 6kA
CNC
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Miniature Circuit Breaker 2P 25A Class C 6kA
CNC
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Miniature Circuit Breaker 2P, 16A, Class C, 6kA
CNC
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Miniature Circuit Breaker 3P, 20A, Class C, 6kA
CNC
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Miniature Circuit Breaker 3P, 40A, Class C, 6kA
CNC
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Miniature Circuit Breaker 3P, 50A, Class C, 6kA
CNC
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Miniature Circuit Breaker 4P 63A Class C 6kA DIN Rail
CNC
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Miniature Circuit Breaker 4P, 25A, Class C, 6kA
CNC
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Miniature Circuit Breaker, 2P, 10A, Class C, 6kA
CNC
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Miniature Circuit Breaker, 3P, 16A, Class C, 6kA
CNC
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Miniature Circuit Breaker, 3P, 32A, Class C, 6kA
CNC
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Miniature Circuit Breaker, 3P, 63A, Class C, 6kA
CNC
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Miniature Circuit Breaker, 4P, 32A, Class C, 6kA
CNC
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Miniature Circuit Breaker, 4P, 40A, Class C, 6kA
CNC
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Miniature Circuit Breaker, 4P, 50A, Class C, 6kA
CNC
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Modular Changeover Switch CNC YCBZ-40, 1P, 40A, 1-0-2
CNC
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Modular Changeover Switch CNC YCBZ-40, 2P, 40A, 1-0-2
CNC


Electrical safety is essential for any modern building. Quality circuit breakers and fuses provide instant interruption of current flow in hazardous situations, protecting delicate appliances and wiring from severe damage caused by excessive electrical loads.

How to Choose the Right Circuit Protection

Selecting appropriate protective devices requires attention to system requirements and connected loads:

  • Rated Current (A): must correspond directly to cable cross-section and the planned circuit load capacity.
  • Tripping Characteristic (B, C, D): determines the response threshold for inrush currents from different appliance types.
  • Number of Poles: single-pole and two-pole options for single-phase lines, or three- and four-pole units for three-phase systems.
  • Protection Type: reset-ready miniature circuit breakers for standard panels or cartridge fuses for dedicated gear.

Explore the assortment of circuit breakers and fuses at Motivs.lv to ensure dependable, long-lasting safety for your electrical systems.

Frequently Asked Questions

What is the difference between B and C curve breakers?

Type B breakers trip faster at lower surges and are ideal for standard domestic resistive loads, while Type C handles moderate starting inrush currents from appliances like motors and pumps.

What causes a circuit breaker to trip?

A breaker usually trips due to a circuit overload when too many appliances run simultaneously, or because of a short circuit or ground fault in the wiring.

Can older fuse boxes be upgraded to modern circuit breakers?

Yes, older fuse panels are frequently upgraded to modern DIN-rail modular circuit breakers for improved safety and convenient resetting.