Three Phase 4p Type1 Surge Suppressor 50ka Surge Protective Device for AC 385V Distribution System
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Product Highlights
- Dual-Mode Surge Protection: Type 1+ Type 2 protection for lightning and switching surges in low-voltage and solar systems.
- High Discharge Capacity: Impulse current up to 50kA and nominal current up to 60kA for robust protection.
- Wide Voltage Compatibility: Supports AC system voltages from 110V to 1140V across multiple configurations.
- Durable Flame Retardant Material: Constructed with UL94-V0 rated thermoplastic plastics for safety and longevity.
- Flexible Installation Options: Fits standard 35mm DIN guide rails with IP20 enclosure protection class.
- OEM and ODM Customization: Full customization available including logo, packaging, and product design.
Product Attributes
- Customization
- Available
- Type
- Power Source Arrester
- Structure
- Modular
- Model NO.
- WSD-A50
- Installation
- Parallel Arrester
- Application
- Power Plants
- Size
- Small
- Operation Voltage
- Low Voltage
- Shape
- Cuboid
- Material
- Thermoplastic Plastics
- Certification
- ROHS, CE
- Brand
- Tsotw
- Impulse Discharge Current(10/350us) Iimp
- 50
- Nominal Discharge Current in (Ka)
- 60
- Maximum Discharge Current (Ka)
- 120
- Protected Mode
- 1p/1p+N/2p/3p/3p+N/4p
- Response Time
- 100ns
- Enclosure Protection Class
- IP 20
- Canning Material
- Thermoplastic Plastics
- Way to Install
- 35 mm DIN Guide Rail
- Alarm Method
- Remote Signaling (Optional)
- Operating Temperature
- -40℃ to +80℃
- Elevation
- -500 to 2000m
- Testing Standard
- IEC/ En 61643-11 (Type 1+ Type 2/T1+T2/Class B)
- Transport Package
- Standard Export Carton / Neutral Packing
- Trademark
- TSOTW
- Origin
- China
- 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 Three Phase 4p Type1 Surge Suppressor 50ka Surge Protective Device for AC 385V Distribution System
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Three Phase 4p Type1 Surge Suppressor 50ka Surge Protective Device for AC 385V Distribution System -
Three Phase 4p Type1 Surge Suppressor 50ka Surge Protective Device for AC 385V Distribution System -
Three Phase 4p Type1 Surge Suppressor 50ka Surge Protective Device for AC 385V Distribution System -
Three Phase 4p Type1 Surge Suppressor 50ka Surge Protective Device for AC 385V Distribution System
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Product Description
Model | WSD-A50 | ||||
Impulse discharge current(10/350us) Iimp (kA) | 50 | ||||
Nominal discharge current (8/20us) In (kA) | 60 | ||||
Maximum discharge current (8/20us) Imax (kA) | 120 | ||||
System voltage AC (V) | 110-220 | 275-420 | 440-480 | 750 | 1140 |
Voltage protection level Up (kV) | 2 | 2.5 | 2.8 | 5.5 | 6 |
Certificate | CE/ROHS | ||||
Protected mode | 1P/1P+N/2P/3P/3P+N/4P | ||||
Response time | 100ns | ||||
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 | Remote signaling (optional) | ||||
Operating temperature | -40℃ to +80℃ | ||||
Elevation | -500 to 2000m | ||||
Testing standard | IEC/ EN 61643-11 (Type 1+ Type 2/T1+T2/Class B) | ||||
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
- Can I get samples before placing a bulk order?
- Yes. Sample orders are available for quality evaluation and testing.
- Do you provide OEM & ODM services?
- Yes. We support OEM and ODM customization, including logo printing, packaging, and product design.
- What certifications do your products have?
- Our products are certified by CE, CQC, TUV, UL and comply with international safety standards.
- What applications are your surge protection devices suitable for?
- Our SPDs are widely used in solar energy systems, communication networks, industrial automation, rail transit, commercial buildings, and power distribution systems.
- How do I choose the correct surge protector model?
- Please provide your system voltage, installation environment, and application requirements. Our technical team will recommend the most suitable model.
- What is your production capacity?
- We have stable production capability with strict quality control to ensure fast and reliable delivery.
- How long is the delivery time?
- Standard products are usually shipped within 5-7 working days. Large or customized orders depend on order quantity and specifications.
- Do you provide technical support after sales?
- Yes. We provide professional technical support and after-sales service for all customers worldwide.
- Can your products be used in photovoltaic (PV) systems?
- Yes. We provide dedicated PV surge protection devices specially designed for solar power systems.
- Why choose Nanjing Yihua Technology?
- * Professional SPD manufacturer * Strict quality management system * International certifications * OEM/ODM support * Competitive pricing * Fast global delivery * Reliable technical support
Send your message to this supplier
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