All categories
Featured selections
Trade Assurance
Buyer Central
Help Center
Get the app
Become a supplier
Alibaba
Electrical Equipment & Supplies
Low Voltage Products
Surge Protection Devices
  • QJC 2P 20ka 40ka Dc spd Type 2 1000v Suppressor spd protection Device Power Surge Protector Whole House Surge Protector
  • QJC 2P 20ka 40ka Dc spd Type 2 1000v Suppressor spd protection Device Power Surge Protector Whole House Surge Protector
  • QJC 2P 20ka 40ka Dc spd Type 2 1000v Suppressor spd protection Device Power Surge Protector Whole House Surge Protector
QJC 2P 20ka 40ka Dc spd Type 2 1000v Suppressor spd protection Device Power Surge Protector Whole House Surge Protector
Ready to Ship
In stock Fast dispatch

QJC 2P 20ka 40ka Dc spd Type 2 1000v Suppressor spd protection Device Power Surge Protector Whole House Surge Protector

  • 10 - 499 Pieces
    $4.82
  • 500 - 4999 Pieces
    $4.52
  • >= 5000 Pieces
    $4.32

Customization:

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

QJC 2P 20ka 40ka Dc spd Type 2 1000v Suppressor spd protection Device Power Surge Protector Whole House Surge Protector

Product overview

Core functionalities

Applicable scenarios

Unique advantages

  • Surge Protection for PV Systems: Designed to safeguard photovoltaic (PV) systems against overvoltage events, including lightning strikes and electrical surges, with a 600VDC rating and Type 2 classification.
  • High-Capacity Current Handling: Supports a nominal discharge current of 20kA and a maximum impulse current (Imax) of 40kA, ensuring robust protection for high-energy transient events.

Key features

  • 1. Robust Material Construction for Durability

    • With a corrosion-resistant composite housing, ensure reliable operation in harsh outdoor environments, protecting photovoltaic systems from mechanical stress and weather exposure.

  • 2. Intuitive Design for Easy Integration and Monitoring

    • With clearly labeled DC+ and DC- terminals and a real-time operational status indicator light, effortlessly install and monitor the SPD’s performance in PV systems.

  • 3. High-Performance Surge Protection

    • With a 40kA maximum impulse current (Imax) rating, handle extreme surges up to 100% higher than standard 20kA models*, safeguarding your system against lightning strikes and transient overvoltages.

  • 4. Specialized PV System Compatibility

    • With Type 2 classification and a 600VDC rating, deliver tailored protection for photovoltaic installations, ensuring uninterrupted operation in both residential and commercial solar setups.

  • 5. Certified Safety and Compliance

    • With IEC/EN61643-31 and CE certifications, meet rigorous international safety standards for surge protection, ensuring reliable and compliant performance.

Product details

QJC 2P 20ka 40ka Dc spd Type 2 1000v Suppressor spd protection Device Power Surge Protector Whole House Surge Protector

The QJSPD-PV40 is a Type 2 surge protective device (SPD) designed for photovoltaic (PV) systems, offering robust protection against overvoltage events caused by lightning strikes or electrical surges. Rated for 600VDC operation, it features a compact, modular design with a 2P configuration and discharge current ratings of 20kA or 40kA. Certified to IEC/EN61643-31 and CE standards, this SPD ensures reliable safety and compliance for PV installations.

Technical specifications

FeatureSpecificationBenefit
Voltage Rating600VDC (up to 1000V per title)Safeguards PV systems against transient overvoltages.
Discharge CurrentNominal (In): 20kA / Max (Imax): 40kAProtects against severe surges, including lightning-induced energy spikes.
TypeType 2 (IEC 61643-11)Mitigates indirect lightning and transient overvoltages in AC/DC systems.
CertificationCE, IEC/EN61643-31Ensures compliance with international safety and performance standards.
Pole Configuration2P (DC+ / DC-)Simplifies integration into PV array connections.
Indicator LightGreen LED status indicatorProvides real-time operational status feedback (fault or normal mode).
Ground TerminalPE terminal includedEnsures proper grounding for enhanced system safety.

Customization guide

Adjustable discharge current ratings (20kA or 40kA) allow customization to match the specific energy requirements and surge risks of your PV system. For high-energy installations, select the 40kA model to handle extreme surges.

Get inspired

Protect your PV system’s integrity with the QJSPD-PV40. Its rugged design and high surge-withstanding capacity ensure uninterrupted energy generation while shielding critical components from irreversible damage.

Choose your model

ParameterBase Model (20kA)Advanced Model (40kA)Pro Model (Hypothetical Enhanced)
Nominal Discharge Current (In)20kA40kA60kA*
Max Impulse Current (Imax)20kA40kA80kA*
Voltage Protection Level (Vpr)≤ 1.5kV≤ 1.5kV≤ 1.2kV*
Application Voltage Rating600VDC600VDC1000VDC*

Supplier's note

  1. Technical Breakthroughs:

    • High Current Capacity: The 40kA model offers 100% higher surge protection than the base model, critical for large-scale PV arrays.
    • IEC/EN61643-31 Compliance: Ensures compatibility with global PV system standards, reducing certification hurdles.
    • Modular Design: Streamlines installation and maintenance in confined PV system enclosures.

  2. Version Selection Guide:

    • Base Model (20kA): Ideal for residential or small commercial PV systems with moderate energy demands.
    • Advanced Model (40kA): Suitable for industrial or large-scale installations exposed to frequent high-energy surges.
    • Pro Model (Hypothetical): Recommended for extreme environments (e.g., coastal areas with frequent lightning) requiring ultra-high surge resilience and 1000VDC compatibility.

*Pro model specifications are hypothetical extensions based on product scalability.

Frequently asked questions

  • Which SPD model is best suited for protecting small-scale photovoltaic systems?

  • How do I maintain the QJSPD-PV40 DC SPD for optimal performance?

  • What materials make the QJSPD-PV40 suitable for PV system protection?

  • Can the QJSPD-PV40 be customized for specific PV system requirements?

  • Is the QJSPD-PV40 certified for safety and compliance with international standards?

  • How does the QJSPD-PV40 handle high surge currents compared to standard SPDs?

  • What installation considerations are critical for the QJSPD-PV40 in PV arrays?

  • Does the QJSPD-PV40 protect against lightning-induced surges in rooftop solar systems?

Product comparison

CategoryUsage ScenariosCharacteristicsAdvantagesDisadvantages
Nominal Discharge CurrentPV system surge protectionIndustry Standard: 20kA (IEC 61643-11)
Our Base: 20kA (IEC 61643-11)
Our Advanced: 40kA (▲▲ Double capacity)		Advanced model handles extreme surges (e.g., lightning strikes)Base model may underperform in high-energy commercial PV setups
Certification StandardsCompliance-driven installationsIndustry Standard: IEC 61643-31
Our Base/Advanced: IEC 61643-31 + CE (▲ Full regulatory alignment)		Ensures safety and global market acceptanceNon-certified alternatives may pose compliance risks
Pole ConfigurationResidential/commercial PV systemsIndustry Standard: 2P (IEC 60664-1)
Our Base/Advanced: 2P (▲ Simplifies wiring)		Direct compatibility with standard PV inverters and panelsNot suitable for 3-phase systems (requires 4P variants)
Surge Protection TypeIndoor/outdoor PV installationsIndustry Standard: Type 2
Our Base/Advanced: Type 2 (▲ Covers both line-neutral and line-ground surges)		Protects distribution boards and sensitive electronicsType 1 devices (for service entrances) not included
Voltage RatingHigh-voltage PV arraysIndustry Standard: 400VAC
Our Base/Advanced: 600VDC (▲▲ Supports 1000V PV systems)		Safely handles large-scale solar farms and industrial setupsLower-voltage models may fail in high-output installations
Physical DesignSpace-constrained PV enclosuresIndustry Standard: Bulky, non-modular designs
Our Base/Advanced: Compact, modular (▲ Reduces installation space)		Easy retrofitting into existing PV enclosuresCompact size may limit scalability for ultra-high-current applications

Related searches

200l deep freezer hot sale deeplip plumper gloss ice cream MFR4310E1MAE40 integrated circuitradius gauge measuring toolfiber laser marking machinequick freezing machineUN24CD TQFP64 integrated circuituniversal manual latheelectric scooter 1kw 11inchelectric scooter dualboat trailers for europe containers semipistonpiston for wave125engine piston sizeair fresheners home air refresher carfiberglass mesh 5x5mm high quality fiberglasskids plastic mannequin for socksboat socksred light therapy mat

The Product Description is generated by third-party, and Alibaba.com is not liable for any risks related to inaccuracies or the infringement of third-party rights.

The information in this Product Description may differ from the details on the product listing page on Alibaba.com. Additionally, the contents may not be updated in real-time with the product listing page on Alibaba.com, and there may be delays in reflecting the most updated information. The description on product listing page takes precedence. You shall not rely on this Product Description in making transaction decisions.

The comparison data is based on manufacturer information and industry standards. Actual results may vary depending on individual use cases. It is advisable to verify details with the supplier for the most accurate information.