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Miniature Circuit Breakers
  • 2023 Single Pole Black Color Quality THQC Series Miniature Circuit Breaker
  • 2023 Single Pole Black Color Quality THQC Series Miniature Circuit Breaker
  • 2023 Single Pole Black Color Quality THQC Series Miniature Circuit Breaker
  • 2023 Single Pole Black Color Quality THQC Series Miniature Circuit Breaker
  • 2023 Single Pole Black Color Quality THQC Series Miniature Circuit Breaker
  • 2023 Single Pole Black Color Quality THQC Series Miniature Circuit Breaker
2023 Single Pole Black Color Quality THQC Series Miniature Circuit Breaker

2023 Single Pole Black Color Quality THQC Series Miniature Circuit Breaker

$1.08-$1.13/ Piece|5 Piece/Pieces(Min. Order)

Customization:

Customized logo（Min.Order: 1000 pieces）
Customized packaging（Min.Order: 1000 pieces）
Graphic customization（Min.Order: 1000 pieces）
View product details

2023 Single Pole Black Color Quality THQC Series Miniature Circuit Breaker

Product overview

Core functionalities

Applicable scenarios

Unique advantages

  • Single-Pole Electrical Protection: Designed to safeguard 120/240V circuits by tripping at overcurrent (20A), ensuring basic electrical safety in residential and light commercial settings.
  • Manual Operation: Features an ergonomic black handle for intuitive "ON/OFF" control, enabling quick manual intervention during power management.

Key features

  • 1. Durable Plastic Construction

    • With a sturdy plastic construction, ensure durability in residential and light commercial environments. Compared to models with less robust materials, this design maintains structural integrity under standard use.*

  • 2. Ergonomic Handle Design

    • With an ergonomic, clearly labeled handle, achieve intuitive operation even for non-experts. The straightforward design reduces user error compared to complex interfaces.*

  • 3. Reliable 20A Performance

    • With a 20A rating, handle standard household and light commercial electrical loads efficiently. This ensures compatibility with common circuits without overloading.*

  • 4. Basic Electrical Protection

    • Designed for basic electrical protection in standard settings, safeguard circuits from overcurrent without requiring advanced features like GFCI or AFCI. Ideal for cost-effective installations where simpler protection suffices.*

  • 5. Compliance with Safety Standards

    • Complies with standard electrical safety certifications, ensuring reliable performance in certified applications. This adherence guarantees compatibility with global electrical systems.*

Product details

2023 Single Pole Black Color Quality THQC Series Miniature Circuit Breaker

The THQC Series Single Pole Miniature Circuit Breaker (MCB) is a reliable, compact electrical protection device designed for residential and light commercial applications. With a 20A rated current and a sturdy plastic construction, it ensures safe circuit operation by tripping during overcurrent conditions. Its black finish and ergonomic handle provide clear visual cues for manual operation, while its Type T design ensures compatibility with standard electrical panels.

Technical specifications

FeatureSpecificationBenefit
MaterialDurable plasticLightweight yet robust for everyday use
Rated Current20ASafely handles high-demand appliances
TypeMiniature Circuit Breaker (MCB)Compact size for space-constrained panels
Voltage Rating120/240V ACVersatile for standard household circuits
Trip MechanismThermal-magneticRapid response to overloads and short circuits
Color/DesignBlack front panel and handleEasy visibility and intuitive operation

Customization guide

Adjustable parameters such as rated current (e.g., 15A or 25A variants) and material finishes can be tailored to meet specific requirements for industrial or high-temperature environments.

Get inspired

With its compact design and reliable performance, the THQC Series is ideal for protecting lighting circuits, small appliances, or general power distribution in homes and offices. Its straightforward installation and compatibility with standard panels make it a cost-effective solution for basic electrical safety needs.

Choose your model

ParameterBase Model (15A)Advanced Model (20A)Pro Model (25A + GFCI)
Rated Current15A20A25A
Protection FeaturesBasic OvercurrentBasic OvercurrentOvercurrent + GFCI
CertificationsIEC 60898-1IEC 60898-1IEC 60898-1 + UL 489
Weight120g150g180g

Supplier's note

  1. Technical Breakthroughs:

    • Thermal-Magnetic Trip Mechanism: Ensures rapid response to both gradual overloads and sudden short circuits.
    • Type T Compatibility: Fits seamlessly into standard electrical panels without retrofitting.
    • Ergonomic Handle Design: Reduces operational effort by 20% compared to traditional MCBs.

  2. Version Selection Guide:

    • Residential Users (Base Model): Ideal for low-power circuits (e.g., lighting) where cost efficiency is prioritized.
    • Commercial Spaces (Advanced Model): Meets 20A demand for appliances like refrigerators or HVAC systems.
    • High-Risk Areas (Pro Model): The GFCI feature in the Pro Model prevents electrocution in wet environments (e.g., bathrooms/kitchens), offering 3x better fault detection than standard models.

With the Advanced Model’s 20A capacity, you can safely power medium-load devices without frequent tripping. The Pro Model’s added GFCI protection ensures compliance with safety standards in critical zones. Choose based on your circuit’s load requirements and environmental conditions.

Frequently asked questions

  • Which THQC series model is best for residential 20A circuits?

  • How do I maintain the THQC circuit breaker for long-term use?

  • Does the THQC series include GFCI or AFCI protection?

  • Can the THQC circuit breaker be customized for labeling or branding?

  • Is the THQC series certified for safety standards?

  • What’s the maximum current the THQC 20A model can handle?

  • Is this circuit breaker suitable for small office electrical systems?

  • How does the THQC circuit breaker differ from higher-tier models?

Product comparison

CategoryUsage ScenariosCharacteristicsAdvantagesDisadvantages
Standard MCB (Industry)Residential/light commercial basics20A rated current (IEC 60898), plastic housing (UL 94 V-0), no GFCI/AFCICost-effective, widely compatible with panels (▲ base compatibility)Lacks advanced safety features (e.g., no GFCI/AFCI)
Our Base MCB (THQC Series)Residential/light commercial20A (IEC 60898), enhanced plastic (UL 94 HB ▲), no GFCI/AFCISlightly improved durability (▲ UL 94 HB rating), same cost as industryStill lacks advanced safety features (no GFCI/AFCI)
Our Advanced MCB (THQC Series)High-demand residential/commercial30A (▲), GFCI (IEC 61009 ▲), reinforced housing (UL 94 V-2 ▲), AFCI (UL 1699 ▲)Higher capacity (▲ 30A), added safety (GFCI/AFCI ▲), robust housingHigher cost (▲ 20% vs Base), requires professional installation
GFCI MCB (Industry)Wet areas (kitchens, bathrooms)20A, GFCI (IEC 61009), detects 5mA leakage (IEC 60449)Prevents electrocution in wet environments (▲ 5mA sensitivity)Higher cost (▲ 50% vs Standard), may require dedicated wiring
AFCI MCB (Industry)Homes with aging wiring20A, AFCI (UL 1699), detects arc faults (NFPA 70)Reduces fire risk from arcing (▲ NFPA 70 compliance)Expensive (▲ 40% cost), potential for false tripping
High-Rated MCB (Industry)Commercial high-load circuits40A (▲), metal housing (IEC 60898 ▲), thermal overload protectionHandles heavy loads (▲ 40A), durable construction (▲ metal housing)Bulky design, incompatible with standard panels (▲ requires custom mounting)

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