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Miniature Circuit Breakers
  • MCB Miniature Circuit Breaker for Electrical Equipment
  • MCB Miniature Circuit Breaker for Electrical Equipment
MCB Miniature Circuit Breaker for Electrical Equipment
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MCB Miniature Circuit Breaker for Electrical Equipment

  • >= 1152 Pieces
    $8.99

Customization:

Customized packaging（Min.Order: 100000 pieces）
View product details

MCB Miniature Circuit Breaker for Electrical Equipment

Product overview

Core functionalities

Applicable scenarios

Unique advantages

  • Overload & Short-Circuit Protection: Designed with a C curve to safeguard electrical systems against overloads and short circuits, supporting rated currents up to 63A and voltages up to 400V.
  • Safety Compliance: Equipped with CE certification and international safety standards, ensuring reliable performance in critical applications.

Key features

  • 1. Durable Material Construction for Enhanced Safety

    • With a combination of reinforced plastic and corrosion-resistant metal components, this CHINEHOW MCB ensures long-term reliability in harsh electrical environments. The sturdy design outperforms plastic-only breakers by resisting deformation under high temperatures or humidity*.

  • 2. User-Friendly Interactive Design

    • With an ergonomic green handle and integrated LED status indicator, you can easily operate the breaker and monitor circuit status at a glance. This intuitive design surpasses traditional models lacking visual feedback, reducing operational errors*.

  • 3. High-Breaking Capacity for Robust Protection

    • With a 6kA breaking capacity, this MCB provides 30% stronger surge protection compared to standard 4kA models, safeguarding electrical systems against overloads and short circuits*. The adjustable rated current (e.g., 16A–63A) ensures compatibility with diverse applications.

  • 4. Compact Versatility for Space-Constrained Installations

    • Its compact form factor enables seamless integration into tight spaces, making it ideal for residential, commercial, or industrial setups. Unlike bulkier breakers, this MCB maintains performance without sacrificing installation flexibility*.

  • 5. Compliance with International Safety Standards

    • Certified to meet CE and IEC safety standards, this MCB guarantees reliable performance and user safety. This certification ensures it exceeds basic compliance requirements, unlike uncertified alternatives*.

Product details

MCB Miniature Circuit Breaker for Electrical Equipment

The CHINEHOW CHB2D-63 C32 MCB is a compact, durable miniature circuit breaker designed for electrical equipment protection. With a 63A rated current and 400V operating voltage, it offers overload and short-circuit protection while complying with international safety standards. Its plastic-and-metal construction ensures longevity, and the green LED indicator provides clear status visibility.

Technical specifications

FeatureSpecificationBenefit
Rated Current16A, 10A, 63A, 50A, 20A, 32A, 40A, 25AFlexible selection for diverse applications
Rated Voltage250V, 500VCompatibility with standard and high-voltage systems
Breaking Capacity6kASafeguards against extreme short-circuit currents
MaterialPlastic + MetalLightweight yet rugged design
Protection CurveBCD CurvePrecise overload detection and tripping
CertificationsCE CertifiedEnsures compliance with global safety standards
Pole Configuration2-PoleIdeal for AC/DC dual-use systems

Customization guide

Adjustable parameters include rated current (select from 10A–63A) and voltage rating (250V/500V) to match specific electrical load requirements. Custom labeling or color schemes are also available for OEM projects.

Get inspired

The CHB2D-63 series combines compact size with robust performance. Its BCD curve ensures reliable protection in industrial machinery, while the 500V rating makes it suitable for high-power applications like solar inverters or EV charging stations.

Choose your model

ParameterBase ModelAdvanced ModelPro Model
Rated Current16A–32A20A–40A32A–63A
Breaking Capacity4kA5kA6kA
Voltage Rating250V250V/500V500V
Operating Temperature-5°C to 40°C-10°C to 55°C-20°C to 70°C

Supplier's note

  1. Key Technical Breakthroughs:

    • BCD Curve Precision: Enables selective tripping to minimize unnecessary outages.
    • 6kA Breaking Capacity: Exceeds industry benchmarks, protecting systems against severe faults.
    • Dual Voltage Compatibility: The Advanced/Pro models support 250V and 500V, broadening application flexibility.

  2. Model Selection Guidance:

    • Base Model: Best for residential/commercial setups with standard loads (e.g., lighting, small appliances).
    • Advanced Model: Ideal for industrial machinery or solar systems requiring 500V resilience.
    • Pro Model: Tailored for high-current applications (e.g., EV charging, industrial motors) where 6kA breaking and extreme temperature tolerance are critical.

With the Pro’s 6kA breaking capacity, you can handle surges 30% higher than traditional MCBs, safeguarding critical infrastructure. Pair its 500V rating with DC systems to ensure uninterrupted power flow in renewable energy setups.

Frequently asked questions

  • Which CHINEHOW CHB2D-63 MCB model suits a 32A circuit in commercial spaces?

  • How to clean the plastic components of the CHINEHOW CHB2D-63 C32 MCB?

  • Plastic vs. metal in MCB construction—how does CHINEHOW balance durability and weight?

  • Can the CHINEHOW CHB2D-63 series be customized for a 40A rating in industrial setups?

  • Is the CHINEHOW CHB2D-63 C32 MCB CE-certified for safety compliance?

  • What’s the breaking capacity of the CHINEHOW CHB2D-63 C32 MCB for short circuits?

  • Can the CHINEHOW CHB2D-63 handle 400V systems in industrial applications?

  • How does the CHINEHOW CHB2D-63 ensure correct polarity and operational status?

Product comparison

CategoryUsage ScenariosCharacteristicsAdvantagesDisadvantages
Breaking CapacityIndustrial machinery, high-current systemsIndustry Standard: 3–5 kA (IEC 60947-2)
Our Base: 6 kA (IEC 60947-2) ▲
Our Advanced: 10 kA (UL 489) ▲▲		Handles extreme surges (e.g., motor startups)
Our Base: 60% higher than standard
Our Advanced: 100% higher		Higher capacity models may require larger panel space
Premium pricing for advanced tiers
Rated CurrentResidential/commercial circuitsIndustry Standard: Up to 40 A
Our Base: 16–32 A ▲
Our Advanced: 32–63 A ▲▲		Flexible sizing for diverse loads
Our Advanced: Supports heavy-duty appliances (e.g., HVAC systems)		Base models may underperform in high-demand scenarios
Advanced tiers cost 30% more
Material & Flame ResistanceFire-safety critical areas (e.g., server rooms)Industry Standard: UL 94 V-2 plastic
Our Base/Advanced: UL 94 V-0 plastic (flame-retardant) ▲		Our Versions: Self-extinguishing within 10 seconds (per ASTM E84)No significant disadvantage; standard across tiers
Polarity SensitivityDC-powered systems (solar panels, EVs)Industry Standard: AC-only
Our Base/Advanced: DC-compatible (IEC 60947-2) ▲		Our Versions: Safely handles DC ripple effects
Unique in competing MCBs		Requires proper polarity wiring (risk of misinstallation)
Voltage RatingHigh-voltage applications (industrial plants)Industry Standard: ≤250 V
Our Base: 250 V ▲
Our Advanced: 500 V ▲▲		Our Advanced: Operates in 400 V DC systems (common in factories)Base models limit use in high-voltage environments
Arc-Flash ProtectionHazardous electrical environmentsIndustry Standard: Basic arc containment
Our Base/Advanced: Arc-resistant design (IEC 61641) ▲		Reduces explosion risk by 70% in fault conditionsSlightly heavier than non-arc-resistant models

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