High-Performance 750V 2p Surge Protector with Zinc Oxide Varistor
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Product Highlights
- Optimized for 2P photovoltaic applications, compatible with mainstream string inverters and combiner boxes, effectively preventing surge damage to expensive PV modules and inverters.
- imple and stable design with no communication function, reducing failure points and maintenance costs, ideal for large-scale solar farms requiring high uptime.
- With visual fault indicator and standard DIN rail mount, the SPD can be quickly installed and checked, saving on-site labor time and simplifying system maintenance.
Product Attributes
- Customization
- Available
- Type
- Power Source Arrester
- Structure
- Modular / Plug-in Type
- Model NO.
- WSP40-750
- Installation
- Parallel Arrester
- Application
- Power Plants
- Size
- Small
- Operation Voltage
- Low Voltage
- Shape
- Cuboid
- Material
- ZnO
- Certification
- ROHS, CCC, CE/TUV
- Brand
- Tsotw
- Transport Package
- Standard Export Carton / Neutral Packing
- Specification
- WSP-750V/2P, DC 750V, 2P, Parallel SPD
- Trademark
- TSOTW
- Origin
- Chn
- HS Code
- 8536300000
Shipping
- Shipping Cost:
- Contact the supplier about freight and estimated delivery time.
Online Trading Protection
- Payment Guarantee
-
Platform-protected payments with refund support for eligible order issues.
- Platform Logistics
- Clearer shipment tracking with platform-supported logistics.
- Inspection Service
- Optional pre-shipment inspection for quality and quantity checks.
- After-Sales & Dispute Handling
- Platform-assisted dispute resolution, including refunds or returns when applicable.
Only orders placed and paid through Made-in-China.com Secured Trading are eligible for payment protection and the corresponding platform services.
Product Images of High-Performance 750V 2p Surge Protector with Zinc Oxide Varistor
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High-Performance 750V 2p Surge Protector with Zinc Oxide Varistor -
High-Performance 750V 2p Surge Protector with Zinc Oxide Varistor -
High-Performance 750V 2p Surge Protector with Zinc Oxide Varistor -
High-Performance 750V 2p Surge Protector with Zinc Oxide Varistor -
High-Performance 750V 2p Surge Protector with Zinc Oxide Varistor
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Product Description
Model | WSP40 | ||||||||
Nominal discharge current (kA) | 20 | ||||||||
Maximum discharge current (kA) | 40 | ||||||||
Maximum Continuous Operating Voltage for Photovoltaic(V) | 48 | 110-130 | 150 | 220 | 275-360 | 500-600 | 750 | 1000 | 1200 |
Voltage protection level(kV) | 0.55 | 1.2 | 1.5 | 1.8 | 2 | 2.7 | 2.7 | 3.6 | 4 |
Certificate | CE/ROHS | TUV/CE/ROHS | CE/ROHS | TUV/CE/ROHS | |||||
Certificate | CE/ROHS | ||||||||
Protected mode | 2P/3P | ||||||||
Rated short circuit current(A) | 1000 | ||||||||
Response time | 25ns | ||||||||
Maximum wire cross-sectional area | 4AWG (25MM2) | ||||||||
Enclosure protection class | IP 20 | ||||||||
Canning material | Thermoplastic plastics: Flame retardant grade UL94-V0 | ||||||||
Way to install | 35 mm DIN Guide rail | ||||||||
Alarm method | Indicator window + Remote signaling (optional) | ||||||||
Status indicator | Green (OK) / Red (Fault) | ||||||||
Operating temperature | -40℃ to +85℃ | ||||||||
Elevation | -500 to 5000m | ||||||||
Testing standard | IEC/ EN 61643-31 (Type 2 /Class 2/T2/Class C ) | ||||||||
A: Yes. Sample orders are available for quality evaluation and testing.
Q2. Do you provide OEM & ODM services?
A: Yes. We support OEM and ODM customization, including logo printing, packaging, and product design.
Q3. What certifications do your products have?
A: Our products are certified by CE, CQC, TUV, UL and comply with international safety standards.
Q4. What applications are your surge protection devices suitable for?
A: Our SPDs are widely used in solar energy systems, communication networks, industrial automation, rail transit, commercial buildings, and power distribution systems.
Q5. How do I choose the correct surge protector model?
A: Please provide your system voltage, installation environment, and application requirements. Our technical team will recommend the most suitable model.
Q6. What is your production capacity?
A: We have stable production capability with strict quality control to ensure fast and reliable delivery.
Q7. How long is the delivery time?
A: Standard products are usually shipped within 5–7 working days. Large or customized orders depend on order quantity and specifications.
Q8. Do you provide technical support after sales?
A: Yes. We provide professional technical support and after-sales service for all customers worldwide.
Q9. Can your products be used in photovoltaic (PV) systems?
A: Yes. We provide dedicated PV surge protection devices specially designed for solar power systems.
Q10. Why choose Nanjing Yihua Technology?
A:
* Professional SPD manufacturer
* Strict quality management system
* International certifications
* OEM/ODM support
* Competitive pricing
* Fast global delivery
* Reliable technical support
About the Supplier
This supplier has been audited by SGS. Verify the report on the official SGS website with ID "QIP-ASI264724". Items marked "
" are certified.
Company Profile
Nanjing Yihua Technology Co., Ltd. is a professional integrated R&D and manufacturing factory specializing in photovoltaic DC protection & surge protection electrical components, rooted in Nanjing, Jiangsu Province, China with superior logistics and supply chain advantages.
We focus on the full-chain independent production of SPD surge protective devices, PV DC circuit breakers, DC fuses & fuse holders, MC4 solar connectors, PV combiner boxes, and complete lightning protection solutions for new energy photovoltaic, energy storage, industrial power distribution and commercial electrical systems. As a genuine source manufacturer, we own standardized automated production workshops, professional internal testing laboratories, and a mature technical R&D team with years of deep experience in low-voltage overvoltage protection field.
Comprehensive Global Certifications & Standard Compliance
Quality and global market accessibility are our core competitive strengths. Our entire product portfolio has passed a full range of authoritative international third-party certifications, fully compliant with global mainstream industry standards:
• System certification: ISO9001 Quality Management System, ISO14001 Environmental Management System
• Product safety certification: CE (LVD/EMC), TUV, CB, IEC 61643-11 / IEC 61643-31 photovoltaic SPD standard, EN 50539, SGS, RoHS
All testing and certification procedures are completed via recognized global certification bodies, eliminating market access barriers for clients exporting to Europe, Southeast Asia, Middle East, Australia and other regions.
Manufacturing & Quality Control Strength
We implement full-process closed-loop quality management from raw material incoming inspection, semi-finished assembly, offline aging testing to finished product 100% full inspection before shipment. Equipped with automated assembly lines, lightning impulse test equipment, high-low temperature aging chambers and precision electrical performance testers, we strictly control product stability, safety and service life to meet long-term outdoor PV project operation demands.
We support standardized bulk supply, OEM & ODM customized development, private label service, flexible MOQ arrangement and fast sample delivery. Our products have been widely recognized by distributors, EPC contractors, electrical wholesalers and system integrators across over 40 countries worldwide.
Our Commitment
Adhering to the tenet of "Reliable Protection, Certified Quality, Factory Direct Supply", we provide one-stop technical consultation, product matching, certification document support and after-sales service for global partners. We sincerely welcome customers worldwide to conduct factory audits, technical negotiations and long-term win-win cooperation.
About Our Factory & Business Background
-
Business Type
- Manufacturer/Factory & Trading Company
- Address
- Nanjing, Jiangsu, China
-
Plant Area
- 1713 square meters
-
Number of Employees
- 16
-
Registered Capital
- 51,000,000 RMB
-
Terms of Payment
- LC, T/T, D/P, PayPal, Small-amount payment, Western Union
-
International Commercial Terms(Incoterms)
- FOB, CIF, CFR, EXW
-
Average Lead Time
-
Peak Season Lead Time: within 15 workdays
Off Season Lead Time: within 15 workdays -
Nearest Port
- Shanghai Port
-
Minimum Order Quantity
- 1 Set
-
Supply Chain Partners
- 15
Our Production Capability & Technical Expertise
-
Main Products
- Surge Protective Devices
-
Production Lines
- 2
-
Production Machines
- Automatic welding machine, Marking machine, Plastic sealing machine, Through functional tester
-
QA/QC inspectors
- 3 people
-
Inspection Type for Finished Products
- Random inspection(Visual inspection & Function inspection)
-
Inspection Method for Finished Products
- Have instructions and uniformly followed
-
Customization Options
- Customization from Samples, Customization from Designs, Full Customization, Minor Customization, Flexible customization
-
ODM Service Available
- Yes
-
OEM Service Available
- Yes
-
R&D Engineers
- 4 people
-
Traceability of Raw Materials
- Yes
-
Own Brand
- Yes
Our Industry Experience & Global Business Record
-
Year of Establishment
- 2004-08-17
-
Export Year
- 1 Year
-
Main Markets
- Domestic
-
Repeat Buyers Choice
- 50%~80%
-
Number of Foreign Trading Staff
- 2
-
Overseas Agent/Branch
- No
-
New Products Launched in Last year
- Yes
Our Certifications, Standards & Industry Recognition
-
Product Certification
- Others
-
Cooperated with Fortune 500
- No
FAQ
- You have sales target finished amount requirement to the distributor?
- We welcome distributors in various countries to cooperate with us. Sales is an important assessment criterion.According to dif
- Can I only buy some spare parts from you?
- Of course, we can sell everything from spare parts to finished products.
- Will you will attend the fair to show your products?
- Yes, we participate in 3-4 international exhibitions every year, such as the Canton Fair, the Middle East Dubai Electricity Show, the Asian Electricity Show, etc. A series of different exhibitions, and we look forward to seeing each other at the exhibition!
- How many years have your company made this kind of equipment?
- Our company has a history of 20 years. We have been specializing in the production of a series of electrical products such as surge protectors, fuses, circuit breakers, etc.
- Which certificate do you have for your equipment?
- We have established a complete quality management, supply chain and after-sales service system. Continuously introduce 6S international advanced concepts in management, and have successively passed ISO9001, ISO14001, OHSAS18001, CQC certification, CE certification, TUV certification, CB certification, Rohs certification.
- Are you a trading company or a manufacturer?
- We are a manufacturer, Our company has a history of 20 years. We have been specializing in the production of a series of electrical products such as surge protectors, fuses, circuit breakers, etc.
- How many production lines in your factory?
- The company independently developed a number of advanced production and processing automatic assembly lines, plastic injection assembly lines, hardware stamping assembly lines, and multiple assembly lines; the automated assembly lines will automatically fill glue, automatic solder, automatic laminating, pad printing, laser marking, and automatic inspection. Automatic equipment such as uploading data, automatic sealing and packaging is integrated. It
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