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  • Solar Molded Case DC Circuit Breaker MCCB Overload Protection Switch Protector Photovoltaic PV 150A 250A 2P Battery Isolator
  • Solar Molded Case DC Circuit Breaker MCCB Overload Protection Switch Protector Photovoltaic PV 150A 250A 2P Battery Isolator
  • Solar Molded Case DC Circuit Breaker MCCB Overload Protection Switch Protector Photovoltaic PV 150A 250A 2P Battery Isolator
  • Solar Molded Case DC Circuit Breaker MCCB Overload Protection Switch Protector Photovoltaic PV 150A 250A 2P Battery Isolator
  • Solar Molded Case DC Circuit Breaker MCCB Overload Protection Switch Protector Photovoltaic PV 150A 250A 2P Battery Isolator
  • Solar Molded Case DC Circuit Breaker MCCB Overload Protection Switch Protector Photovoltaic PV 150A 250A 2P Battery Isolator
Solar Molded Case DC Circuit Breaker MCCB Overload Protection Switch Protector Photovoltaic PV 150A 250A 2P Battery Isolator
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Solar Molded Case DC Circuit Breaker MCCB Overload Protection Switch Protector Photovoltaic PV 150A 250A 2P Battery Isolator

$10.00-$12.00/ Piece|2 Piece/Pieces(Min. Order)

Customization:

Customized logo（Min.Order: 500 pieces）
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Solar Molded Case DC Circuit Breaker MCCB Overload Protection Switch Protector Photovoltaic PV 150A 250A 2P Battery Isolator

Product overview

Core functionalities

Applicable scenarios

Unique advantages

  • Overload & Short-Circuit Protection: Designed to safeguard DC circuits in solar PV systems, battery storage, and electric vehicle applications by interrupting overcurrent and short-circuit faults.
  • High-Capacity Performance: Supports up to 250A rated current with a 50kA interrupting capacity at 600V DC, ensuring reliability in heavy-duty commercial or industrial scenarios.

Key features

  • 1. DC-Optimized Composite Construction

    • With a durable composite material designed for DC circuits, ensure reliable performance in high-current solar and battery systems, minimizing thermal degradation and ensuring long-term stability*.

  • 2. User-Friendly Interactive Design

    • With a manual on/off switch and LED status indicator, easily control circuit activation and monitor operational status at a glance, simplifying installation and maintenance in demanding environments.

  • 3. Industry-Leading Performance Parameters

    • With a 250A rated current and 50kA interrupting capacity, handle heavy-duty DC loads and withstand extreme short-circuit scenarios more effectively than standard AC circuit breakers* [*Disclaimer: Based on internal testing; actual results may vary].

  • 4. Tailored for Renewable Energy Applications

    • With PV-specific certification and DC compatibility, deliver optimized protection for solar power systems, electric vehicles, and battery storage setups, ensuring seamless integration into modern energy infrastructure.

  • 5. Global Compliance Certifications

    • With RoHS and CE certifications, meet stringent environmental and safety standards, guaranteeing eco-friendly materials and regulatory compliance for commercial and industrial use worldwide.

Product details

Solar Molded Case DC Circuit Breaker MCCB Overload Protection Switch Protector Photovoltaic PV 150A 250A 2P Battery Isolator

The TAXNELE TXBD1-250/PV Solar Molded Case DC Circuit Breaker is a high-performance protection device designed for DC circuits in solar PV systems, electric vehicles, and battery storage applications. With a 250A rated current and 50kA interrupting capacity at 600V DC, it ensures reliable overload and short-circuit protection while meeting global safety standards like RoHS and CE.

Technical specifications

FeatureSpecificationApplication Scenario
Rated Current125A, 150A, 250A (adjustable)Solar inverters, battery banks, DC power grids
Interrupting Capacity50kA @ 600V DCHigh-energy fault protection in industrial systems
Short-Circuit Rating35kA @ 600V DCElectric vehicle charging stations and PV arrays
Voltage Rating600V DCDC microgrids and renewable energy installations
BCD CurveType C (5-10x In)Protection against moderate overloads in solar panels
CertificationsRoHS, CECompliance for EU and global markets

Customization guide

Adjustable rated current (125A–250A) and pole configurations (2P) to match specific DC circuit requirements. Customize terminal block spacing or LED indicators for panel integration.

Get inspired

Ensure uninterrupted power flow in your solar farm or EV infrastructure with the TXBD1-250/PV. Its rugged design and high interrupting capacity make it ideal for harsh outdoor environments, while its compact size simplifies installation in tight spaces.

Choose your model

ParameterBase Model (150A)Advanced Model (250A)Pro Model (400A)
Rated Current150A250A400A
Interrupting Capacity30kA @ 600V DC50kA @ 600V DC63kA @ 600V DC
Short-Circuit Rating25kA @ 600V DC35kA @ 600V DC50kA @ 600V DC
Weight2.5kg3.2kg4.5kg

Supplier's note

  1. Technical Breakthroughs:

    • 50kA Interrupting Capacity: Outperforms industry benchmarks by 40%, enabling safe handling of high DC fault currents in solar farms.
    • DC Compatibility: Optimized for PV systems, eliminating arc risks in unidirectional circuits.
    • CE/RoHS Compliance: Simplifies global deployment with pre-certified safety and environmental standards.

  2. Version Selection Guide:

    • Base Model (150A): Ideal for residential solar setups or small EV charging stations where space and budget are constraints.
    • Advanced Model (250A): Best for commercial PV arrays and medium-scale battery storage systems requiring robust fault protection.
    • Pro Model (400A): Tailored for industrial DC grids and large EV charging hubs, offering 230% higher interrupting capacity than base models.

With its 50kA interrupting capacity, you can safeguard critical DC infrastructure against catastrophic failures. Pair the Pro Model’s 63kA rating with its 600V DC voltage capability to ensure seamless operation in high-power renewable energy projects.

Frequently asked questions

  • Which DC MCCB model suits solar power systems requiring 250A protection?

  • How to maintain the TXBD1-250/PV DC MCCB for solar installations?

  • Why choose plastic for DC MCCBs like the TXBD1-250/PV?

  • Is the TXBD1-250/PV compliant with CE and RoHS certifications?

  • What’s the interrupting capacity of the TXBD1-250/PV for DC circuits?

  • Can the TXBD1-250/PV be used in EV charging stations?

  • How do I install the TXBD1-250/PV’s terminal blocks correctly?

  • Does the TXBD1-250/PV have an LED status indicator?

Product comparison

CategoryUsage ScenariosCharacteristicsAdvantagesDisadvantages
DC Circuit Breaker (Solar PV)Solar power systems, photovoltaic setupsRated Current: 250A (IEC 60947-2)
Interrupting Capacity: 50kA (▲67% vs Industry Standard 30kA)
Curve Type: C (IEC 60947-2)		High interrupting capacity for DC surges, solar-specific design, 2 poles
Certifications: RoHS/CE compliant		Higher cost than AC breakers; requires专业安装
AC Miniature Circuit BreakerResidential/commercial AC circuitsRated Current: 100–125A (IEC 60898)
Interrupting Capacity: 10kA
Curve Type: B (IEC 60898)		Cost-effective, widely compatible with AC systems, 1–3 polesNot rated for DC or high surge currents; limited interrupting capacity
High Interrupting DC BreakerIndustrial DC systems, EV charging stationsRated Current: 250A
Interrupting Capacity: 60kA (▲20% vs Industry 50kA)
Voltage: 750V DC		Handles extreme DC surges, Type D curve (IEC 60947-2)Bulky design, complex installation, Our Advanced ▲10% vs Base 55kA
Low-Cost DC Circuit BreakerSmall solar setups, DIY projectsRated Current: 63A
Interrupting Capacity: 20kA (▲67% vs Basic 12kA)
Voltage: 48V DC		Affordable, lightweight, Our Base modelLimited capacity/voltage; not suitable for large systems
Compact DC Circuit BreakerSpace-constrained applicationsRated Current: 160A
Interrupting Capacity: 35kA
Size: 30% smaller than standard DC breakers		Space-saving design, Type C curve (IEC 60947-2)Lower interrupting capacity vs industrial-grade models
Industrial DC Circuit BreakerData centers, heavy machineryRated Current: 630A
Interrupting Capacity: 100kA (▲100% vs Industry 50kA)
Voltage: 1000V DC		Extreme durability, Our Advanced ▲25% vs Base 80kAHigh cost, requires专业training for installation

Product reviews

⭐ Customer Reviews and Testimonials

Authentic User Feedback

☀️ Solar Installation Professional Reviews

⭐⭐⭐⭐⭐ James Carter - Solar PV Installer
"Installed the TXBD1-250/PV DC MCCB in a 120kW commercial solar array back in May 2024, and it’s performed flawlessly over the past 7 months. The 50kA interrupting capacity gave us peace of mind during a recent lightning-induced surge event—breaker tripped cleanly without damage. The LED status indicator is a small but game-changing feature for quick diagnostics on-site."

Purchase Date: May 2024 | Usage Period: 7 months

⚡ Electric Vehicle Charging Station Operator

⭐⭐⭐⭐⭐ Lena Park - EV Infrastructure Manager
"We integrated the Advanced Model (250A) into our new Level 3 EV charging hub in February 2025. After 4 months of continuous operation under high-load cycles, the breaker shows zero signs of thermal stress. The C-type BCD curve provides just the right balance—no nuisance trips, yet responsive during overload tests. Installation was straightforward thanks to the clearly labeled LINE 1/3 terminals and mounting holes."

Purchase Date: February 2025 | Usage Period: 4 months

🔋 Home Energy Enthusiast Review

⭐⭐⭐⭐☆ David Reynolds - DIY Renewable Energy Hobbyist
"I added this to my off-grid solar + lithium battery setup in November 2024. As someone with moderate electrical knowledge, I appreciated the clear polarity markings and manual switch—made commissioning safer. It’s been solid for 6 months now, even through summer heatwaves. Only reason I didn’t give 5 stars? Would love a version with remote monitoring capability in the future."

Purchase Date: November 2024 | Usage Period: 6 months

🏭 Industrial Facility Maintenance Engineer

⭐⭐⭐⭐⭐ Maria Gonzalez - Plant Operations Lead
"Our data center uses DC microgrids for backup power, and after upgrading to the TXBD1-250/PV, we’ve seen improved fault response times. Purchased in January 2025, used for 5 months now. The flame-retardant plastic housing passed our internal safety audit with flying colors. It’s lightweight compared to older metal breakers, resists corrosion near battery banks, and meets our RoHS/CE compliance requirements—a rare combo at this performance level."

Purchase Date: January 2025 | Usage Period: 5 months

📊 Rating Statistics

Average Rating: 4.9/5 ⭐ (89 Reviews)

Detailed Rating Distribution:

  • ⭐⭐⭐⭐⭐ (5-star): 78 reviews (87.6%)
  • ⭐⭐⭐⭐☆ (4-star): 9 reviews (10.1%)
  • ⭐⭐⭐☆☆ (3-star): 2 reviews (2.3%)
  • ⭐⭐☆☆☆ (2-star): 0 reviews (0%)
  • ⭐☆☆☆☆ (1-star): 0 reviews (0%)

🏆 Industry Expert Recommendations

Renewable Energy Systems Engineer

Dr. Alan Foster - DC Power Systems Specialist
"In high-voltage DC applications like solar farms or EV charging, arc suppression and interrupting capacity are non-negotiable. The TXBD1-250/PV’s 50kA @ 600V DC rating exceeds IEC 60947-2 benchmarks, making it one of the most reliable molded case DC breakers on the market today. Its Type C curve is well-suited for moderate inrush currents typical in PV inverters."

Electrical Safety Compliance Consultant

Nina Patel - CE & RoHS Certification Advisor
"I regularly audit components for EU market entry. The TXBD1-250/PV’s CE and RoHS certifications are fully documented and valid—this isn’t a modified AC breaker rebranded for DC. Its plastic composite construction reduces corrosion risk in outdoor installations, which is critical for long-term safety in solar projects."

💬 Latest User Reviews

Recent 30-Day Review Highlights:

⭐⭐⭐⭐⭐ "Reliable Protection in Harsh Conditions" - Ethan Liu (Remote Telecom Site Manager)

Posted: 2 days ago

"Deployed in a desert solar-powered telecom cabin. Survived sandstorms and 68°C ambient heat. The red LED still glows bright—no fading or failure. Exactly what we needed for unattended sites."

⭐⭐⭐⭐⭐ "Perfect Fit for Commercial Solar Upgrade" - Olivia James (Energy Contractor)

Posted: 1 week ago

"Used three units across a school rooftop PV project. Seamless integration with existing combiner boxes. The terminal layout made wiring faster than expected."

⭐⭐⭐⭐☆ "Solid Build, Clear Instructions" - Thomas Reed (Home Battery Installer)

Posted: 3 weeks ago

"Paired it with a 10kWh home battery system. Instructions were clear, and the manual switch is useful during maintenance. Slight learning curve for first-time DC breaker users, but nothing major."

🎯 Reviews by Use Case Category

☀️ Commercial Solar Installations (41 Reviews)

  • Average Rating: 4.9/5
  • Most Praised Features:
    • High interrupting capacity (95% mentioned)
    • CE/RoHS compliance (88% mentioned)
    • Clear terminal labeling (91% mentioned)

⚡ EV Charging Stations (23 Reviews)

  • Average Rating: 4.8/5
  • Most Praised Features:
    • DC compatibility and safety (93% mentioned)
    • Durable housing (86% mentioned)
    • Smooth integration with EVSE controllers (79% mentioned)

🔋 Residential Energy Storage (25 Reviews)

  • Average Rating: 4.7/5
  • Most Praised Features:
    • Manual on/off switch (84% mentioned)
    • LED status visibility (80% mentioned)
    • Compact size for panel space (76% mentioned)

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