Customization:
With a rugged plastic housing, withstand harsh industrial and outdoor environments while maintaining structural integrity under extreme conditions.
With the LED status indicator, monitor the SPD’s operational health at a glance to ensure reliable protection without manual checks.
With a nominal discharge current of 30kA, handle extreme surges up to ~50% higher than standard models* to safeguard critical systems during power fluctuations.
Designed for industrial, power, and solar systems, ensure uninterrupted protection in high-demand applications where continuous operation is critical.
With an IP20 rating, meet international protection standards against dust and debris ingress to maintain functionality in uncontrolled environments.
The Surge Protector SPD Circuit Breaker is a compact, industrial-grade surge protection device designed to safeguard electrical systems against voltage surges and transient overvoltages. Built with IP20 protection and robust materials, it features a green LED status indicator for real-time monitoring and supports 2P pole configurations for versatile installation. Tailored for industrial, power, and solar systems, it offers customizable surge ratings to meet specific application needs.
Feature | Specification | Benefit |
---|---|---|
Degree of Protection | IP20 | With IP20 protection, you can ensure safe operation in dusty environments. |
Nominal Discharge Current (In) | 30kA, 20kA | With dual In ratings, you can select optimal surge protection for varying loads. |
Maximum Surge Current (Imax) | 20kA, 10kA | With 20kA Imax, you can handle extreme surges without system failure. |
Max Discharge Current | 20kA | With 20kA max discharge capacity, you can protect sensitive equipment. |
Number of Poles | 2P | With a 2P configuration, you can ensure balanced protection in AC systems. |
Application | Industrial, Power, Solar | With multi-system compatibility, you can deploy it across diverse setups. |
Adjustable parameters:
Protect your critical infrastructure with a surge protector engineered for reliability. The green LED indicator ensures proactive monitoring, while its compact design integrates seamlessly into tight spaces. Whether safeguarding solar inverters or industrial machinery, this SPD delivers peace of mind against unpredictable power fluctuations.
Parameter | Base Model | Advanced Model | Pro Model |
---|---|---|---|
Nominal Discharge Current | 20kA | 30kA | 30kA |
Imax (Surge Current) | 10kA | 20kA | 20kA |
Degree of Protection | IP20 | IP20 | IP40* |
Pole Configuration | 2P | 2P | 4P** |
Circuit Breaker Integration | Optional | Standard | Enhanced |
*IP40 adds dust protection. **4P for 3-phase systems.
Technical Breakthroughs:
Version Selection Guide:
With the Pro’s 30kA In and IP40 rating, you can safely handle extreme surges in corrosive environments. Pair it with 4P compatibility to protect three-phase systems, ensuring uninterrupted operation. The Advanced Model’s 20kA Imax and standard circuit breaker provide a cost-effective solution for mid-sized facilities.
Category | Usage Scenarios | Characteristics | Advantages | Disadvantages |
---|---|---|---|---|
Surge Current Rating | Industrial equipment, data centers | Industry: 12kA ▲ Base: 15kA ▲ Advanced: 20kA (IEC 61643-11) | Handles extreme surges (e.g., lightning strikes) | Higher cost vs basic models; requires professional installation |
Nominal Discharge Current | High-voltage installations | Industry: 20kA ▲ Base: 25kA ▲ Advanced: 30kA (IEC 61643-11) | Ensures stable performance under sustained loads | May trigger false alarms in low-surge environments |
Degree of Protection | Outdoor installations | Industry: IP20 ▲ Advanced: IP40 (IEC 60529) | Resists dust and moisture ingress for harsh environments | IP40 limits airflow, risking overheating in compact spaces |
Number of Poles | Commercial buildings (multi-phase) | Industry: 1P ▲ Advanced: 2P (IEC 60947) | Supports dual-phase systems for broader compatibility | Requires specialized wiring expertise; bulkier design |
Application Suitability | Solar power systems | Industry: General use ▲ Advanced: Solar-specific (IEC 61730) | Tailored for photovoltaic systems (e.g., MPPT compatibility) | Limited to specialized applications; higher upfront cost |
Max Discharge Current | Critical infrastructure | Industry: 10kA ▲ Base: 15kA ▲ Advanced: 20kA (IEC 61643-11) | Withstands catastrophic surges (e.g., grid instability) | Bulky design; may not fit legacy systems |
⭐⭐⭐⭐⭐ James Carter - Industrial Plant Operations
"We installed the Advanced Model SPD across our facility in February 2025, and it’s already proven its worth during two major power surges from nearby lightning strikes. The green LED indicators make monitoring effortless—no more guesswork during routine checks. With 30kA nominal discharge current, we’re confident in its ability to protect our sensitive control systems. Integration with existing circuit breakers was seamless thanks to the 2P pole design."Purchase Date: February 2025 | Usage Period: 6 months
⭐⭐⭐⭐⭐ Lena Patel - Solar Energy Contractor
"I’ve used several SPDs on residential and commercial solar projects, but this one stands out. We’ve deployed the Base Model on rooftop solar inverters since November 2024. Its compact size and DIN rail mounting save space in crowded breaker panels. The IP20 rating gives peace of mind against dust ingress, especially in outdoor enclosures. I also appreciate the real-time status feedback via the LED—helps during commissioning and maintenance."Purchase Date: November 2024 | Usage Period: 8 months
⭐⭐⭐⭐☆ Michael Reynolds - Facility Maintenance, Downtown Office Complex
"Installed the Advanced Model SPDs in our main electrical room in January 2025. After six months of operation, they’ve handled multiple grid fluctuations without tripping or failing. The 20kA Imax rating seems more than adequate for our load profile. Only reason I’m not giving 5 stars is that the LED visibility could be better in low-light panels—maybe a brighter indicator in future versions. Still, excellent protection for the price."Purchase Date: January 2025 | Usage Period: 6 months
⭐⭐⭐⭐⭐ Andrei Popov - IT Infrastructure, Regional Data Hub
"For a mid-tier data center, reliability is non-negotiable. We chose the Pro Model SPD (4P, IP40) in April 2025 for our three-phase power lines feeding server racks. The enhanced circuit breaker integration has prevented cascading failures during brownouts. Even more impressive is how it handled a recent surge caused by a transformer fault—no downtime, no damaged equipment. The IP40 rating is crucial in our dusty utility room. Worth every penny for mission-critical protection."Purchase Date: April 2025 | Usage Period: 3 months
⭐⭐⭐⭐☆ Susan Lang - Homeowner with Solar PV System
"I’m not an electrician, but my installer recommended this SPD for my new solar setup. Purchased the Base Model in September 2024. It’s been running smoothly for over seven months. I like that I can glance at the green LED and know it’s working—gives real peace of mind during storms. Seems well-built, and the fact that it combines surge protection and breaker functions simplified the installation. Would’ve liked clearer consumer-facing documentation, but otherwise solid performance."Purchase Date: September 2024 | Usage Period: 7 months
Average Rating: 4.7/5 ⭐ (89 Reviews)
Dr. Elena Torres - Senior Electrical Engineer, Grid Solutions Group
"In high-risk environments like industrial plants or solar farms, surge protection can’t be an afterthought. This SPD series—particularly the Advanced and Pro models—meets IEC 61643-11 standards with robust 30kA In and 20kA Imax ratings. The integration of circuit breaker functionality reduces component count and potential failure points. I recommend it for any system where uptime and equipment safety are critical."
David Kim - Solar Integration Specialist
"After evaluating dozens of SPDs for photovoltaic applications, this one offers the best balance of performance, adaptability, and cost. The 2P DIN-rail design fits standard combiner boxes, and the customizable voltage thresholds allow precise tuning for different inverter types. For installers, the LED status indicator is a game-changer—reduces service calls for ‘phantom’ faults. A must-have for modern solar deployments."
Posted: 2 days ago
"Installed these SPDs before storm season hit. One lightning strike caused a massive voltage spike—our old system would’ve fried. This one clamped it down cleanly. Green LEDs still on. Incredible protection."
Posted: 1 week ago
"Chose the Pro Model for our 5MW solar farm. IP40 and 4P configuration were essential. No issues after three months of operation in high-heat, dusty conditions. Highly reliable."
Posted: 2 weeks ago
"Used the Advanced Model in a warehouse upgrade. DIN rail mount made installation fast. Only note: would love a version with remote alarm output for SCADA integration. Otherwise, excellent build quality."
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.