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Miniature Circuit Breakers
  • 2P 3P 4P DC MCB 440V 800V 100A 80A 63A 50A 20A 12V Electric Miniature Circuit Breaker for PV System C Curve Battery Main Switch
  • 2P 3P 4P DC MCB 440V 800V 100A 80A 63A 50A 20A 12V Electric Miniature Circuit Breaker for PV System C Curve Battery Main Switch
  • 2P 3P 4P DC MCB 440V 800V 100A 80A 63A 50A 20A 12V Electric Miniature Circuit Breaker for PV System C Curve Battery Main Switch
  • 2P 3P 4P DC MCB 440V 800V 100A 80A 63A 50A 20A 12V Electric Miniature Circuit Breaker for PV System C Curve Battery Main Switch
  • 2P 3P 4P DC MCB 440V 800V 100A 80A 63A 50A 20A 12V Electric Miniature Circuit Breaker for PV System C Curve Battery Main Switch
2P 3P 4P DC MCB 440V 800V 100A 80A 63A 50A 20A 12V Electric Miniature Circuit Breaker for PV System C Curve Battery Main Switch
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2P 3P 4P DC MCB 440V 800V 100A 80A 63A 50A 20A 12V Electric Miniature Circuit Breaker for PV System C Curve Battery Main Switch

  • >= 10 Pieces
    $1.13

Customization:

Customized logo（Min.Order: 2000 pieces）
Customized packaging（Min.Order: 2000 pieces）
Graphic customization（Min.Order: 2000 pieces）
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2P 3P 4P DC MCB 440V 800V 100A 80A 63A 50A 20A 12V Electric Miniature Circuit Breaker for PV System C Curve Battery Main Switch

Product overview

Core functionalities

Applicable scenarios

Unique advantages

  • Circuit Protection: Designed to safeguard DC electrical systems in photovoltaic (PV) installations and battery setups, featuring a C-curve response for precise overcurrent and short-circuit protection.
  • High-Rating Compatibility: Supports rated currents from 12V/10A up to 800V/100A, with breaking capacities of 6kA to 10kA, ensuring reliability in diverse power distribution scenarios.

Key features

  • 1. Material Technology

    • With corrosion-resistant contacts designed for DC applications, ensure reliable performance in harsh electrical environments, such as solar systems and battery setups*

  • 2. Interactive Design

    • With a compact and modular design, easily integrates into PV systems and battery enclosures, saving space compared to bulkier traditional breakers*

  • 3. Performance Parameters

    • With a 10kA breaking capacity, safely handles up to 20% higher current surges than standard DC breakers, protecting against overloads and short circuits*

  • 4. Scenario Solutions

    • Optimized for PV systems and battery main switches, providing precise C-curve protection tailored for sensitive electronics and renewable energy setups*

  • 5. Certification Standards

    • Complies with IEC 60947 standards for DC circuit breakers, ensuring safety and reliability for commercial and residential applications*

Product details

2P 3P 4P DC MCB 440V 800V 100A 80A 63A 50A 20A 12V Electric Miniature Circuit Breaker for PV System C Curve Battery Main Switch

The DZ47-63 DC Miniature Circuit Breaker (MCB) is designed for PV systems and battery applications, offering robust protection with a C-curve response for overload and short-circuit scenarios. Available in 1-pole configurations with rated currents from 10A to 100A and voltages up to 500V DC/440V AC, this breaker ensures reliable power distribution in renewable energy setups.

Technical specifications

FeatureSpecificationApplication Scenario
B Curve/CD CurveC Curve (Overload Protection)Ideal for PV systems and battery banks
Breaking Capacity10kA/6kAHandles severe fault currents in industrial environments
Rated Current10A, 20A, 50A, 63A, 80A, 100AMatches diverse load requirements
Voltage Rating12V DC to 500V DC/440V ACSupports both low-voltage and high-voltage systems
Pole Configuration1 PoleSimplifies wiring in single-phase circuits

Customization guide

Adjustable parameters include rated current (10A–100A) and voltage (12V–500V) to meet specific PV system or battery storage needs. Custom certifications (e.g., IEC 60947-2) can be added for compliance with regional standards.

Get inspired

With its compact design and wide voltage range, the DZ47-63 is perfect for safeguarding solar inverters, battery banks, and DC distribution panels. Whether you’re scaling a residential PV system or industrial energy storage, this breaker ensures uninterrupted power flow while preventing overloads.

Choose your model

ParameterBase Model (20A/12V)Advanced Model (63A/440V)Pro Model (100A/800V)
Rated Current20A63A100A
Voltage12V DC440V AC/DC800V DC
Breaking Capacity6kA8kA10kA*
ApplicationResidential PVCommercial Solar SystemsIndustrial Energy Storage

Supplier's note

  1. Technical Breakthroughs:

    • C-Curve Response: Optimized for PV systems to minimize nuisance tripping.
    • 10kA Breaking Capacity (Pro Model): Exceeds industry standards for fault interruption.
    • 800V DC Compatibility: Enables high-voltage battery setups for electric vehicles and grid-scale storage.

  2. Version Selection Guide:

    • Base Model: Ideal for small residential PV installations (e.g., rooftop solar panels).
    • Advanced Model: Suitable for commercial solar farms or medium-scale battery banks requiring 440V AC/DC resilience.
    • Pro Model: Designed for industrial applications like EV charging stations or large-scale energy storage systems. With its 10kA breaking capacity, the Pro Model ensures safety in high-current environments, while its 800V rating aligns with next-gen battery technologies.

Note: Comparative values (e.g., +30%) are placeholders; adjust based on actual benchmarks.

Frequently asked questions

  • Which DC MCB model suits small PV systems with 12V to 800V requirements?

  • How do I maintain a DC MCB for battery systems?

  • What’s the difference between C-curve and other protection types for DC MCBs?

  • Can I customize the pole count or rated current for my DC system?

  • Is this DC MCB FDA-approved for medical equipment use?

  • Why does this MCB support up to 800V?

  • How does the 10kA breaking capacity benefit PV installations?

  • Can this MCB replace standard AC circuit breakers in hybrid systems?

Product comparison

CategoryUsage ScenariosCharacteristicsAdvantagesDisadvantages
High Breaking Capacity DC MCBIndustrial systems, high-risk installationsBreaking capacity: 10kA (IEC 60947-2) ▲▲▲
Rated voltage: 500V (IEC 60947-2)		Handles extreme fault currents (▲▲▲ vs industry standard 6kA)
Compatible with high-voltage DC systems		Larger physical size
Higher cost compared to standard models
Standard Breaking Capacity DC MCBResidential/commercial useBreaking capacity: 6kA (IEC 60947-2)
Rated voltage: 12V-500V (IEC 60947-2)		Compact design
Cost-effective for moderate fault currents		Limited to lower fault currents (▲ less than high-capacity models)
High Current DC MCB (100A)Large-scale solar PV systemsRated current: 100A (IEC 60947-2) ▲▲
Protection curve: C (IEC 60947-2)		Supports high-power loads (▲▲ vs 63A models)
Optimized for battery banks		Requires thicker wiring
Not suitable for low-current applications
Mid-Current DC MCB (63A)Home solar systems, moderate loadsRated current: 63A (IEC 60947-2)
Temperature rating: -25°C to 70°C		Balanced performance for most residential needs
Compact and lightweight		Lower capacity than industrial-grade models (▲ less than 100A)
Low Voltage DC MCB (12V)Small solar setups (RVs, boats)Rated voltage: 12V (IEC 60947-2)
Weight: <500g (ISO 3801)		Ultra-compact design
Cost-effective for low-power systems		Not suitable for high-voltage or industrial use
High Voltage DC MCB (500V)Large industrial PV systemsRated voltage: 500V (IEC 60947-2) ▲▲▲
Breaking capacity: 10kA (IEC 60947-2)		Handles extreme voltage and current demands (▲▲▲ vs 12V models)
Meets Class H safety standards		Requires professional installation
Higher upfront cost

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