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Home > Whole-House Surge Protectors > Dc Whole House Surge Protector Surge Arrestor Device Spd 1000v Type 2 Dc Spd for Solar Pv Application Ul Surge Protector
Dc Whole House Surge Protector Surge Arrestor Device Spd 1000v Type 2 Dc Spd for Solar Pv Application Ul Surge Protector
Dc Whole House Surge Protector Surge Arrestor Device Spd 1000v Type 2 Dc Spd for Solar Pv Application Ul Surge Protector
Dc Whole House Surge Protector Surge Arrestor Device Spd 1000v Type 2 Dc Spd for Solar Pv Application Ul Surge Protector
Dc Whole House Surge Protector Surge Arrestor Device Spd 1000v Type 2 Dc Spd for Solar Pv Application Ul Surge Protector
Dc Whole House Surge Protector Surge Arrestor Device Spd 1000v Type 2 Dc Spd for Solar Pv Application Ul Surge Protector
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Dc Whole House Surge Protector Surge Arrestor Device Spd 1000v Type 2 Dc Spd for Solar Pv Application Ul Surge Protector
Dc Whole House Surge Protector Surge Arrestor Device Spd 1000v Type 2 Dc Spd for Solar Pv Application Ul Surge Protector
Dc Whole House Surge Protector Surge Arrestor Device Spd 1000v Type 2 Dc Spd for Solar Pv Application Ul Surge Protector
Dc Whole House Surge Protector Surge Arrestor Device Spd 1000v Type 2 Dc Spd for Solar Pv Application Ul Surge Protector
Dc Whole House Surge Protector Surge Arrestor Device Spd 1000v Type 2 Dc Spd for Solar Pv Application Ul Surge Protector

Dc Whole House Surge Protector Surge Arrestor Device Spd 1000v Type 2 Dc Spd for Solar Pv Application Ul Surge Protector

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Product Description

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Why Choose Us
Quality Standard Manufacturing Power
Top Brand in Protection for Solar PV, Battery Energy Storage and EV Charging System
QUALITY PV PROTECTION PRODUCTS AND EV CHARGERS MANUFACTURER
We are a leading brand in annually producing hundreds of thousands of quality DC protection products and EV charging stations for complete and reliable solar photovoltaic, battery energy storage, and EV charging system. Certified by UL, SAA, CB, CE, TUV, UKCA, ISO, and RoHS, we have the first listed patented DC switch and produce creative solutions like the AFCI solution for rooftop fire protection, dynamic load balancing, and PEN fault detection EV charger.
Certifications Overview
Product Introduction
TOP solar inverter brands recommend TOP DC surge arrester
We offer the DC SPDs to top inverter brands worldwide, supplying reliable protection to the solar PV systems.
1000V Type 2 DC SPD for solar PV application
BUD-40/3 is a type 2 surge arrester for DC and photovoltaic application. It protects solar equipment like solar panels and solar inverters from surge damage or overvoltage, improving the PV system safety for a longer system life.
According to PV standard EN 50539 and IEC 61643
The DC SPD complies with PV standard EN 50539-11 and future standard IEC 61643-31: Low-voltage surge protective devices-Part 31: Requirements and test methods for SPDs for photovoltaic applications. We are the first to test SPDs at the PV standard and manufacture SPDs with true RoHS material.
Plug-in MOV modules
The BUD-40/3 surge protection device consists of a base part and 3 plug-in high energy MOV protection modules. Remote signaling contact for monitoring devices is available as an option. Features include an internal thermal disconnect mechanism for fault indication via a red indicator flag. 600Vdc, 1000Vdc with TUV certificate.
Specifications:
  • Rohs version
  • 1000V Type 2 DC SPD for solar PV application
  • EN 50539-11 and future standard IEC 61643-31
  • 3 plug-in high energy MOV
  • Thermal disconnect inside for fault indication
  • 600V 1000V voltage selection
  • 5 years warranty
Product Specification
PV DC BUD-40/3 Surge Protection Device
Pole 3P
Standard EN 61643-31
Electrical Characteristics
Category IEC/EN IEC II/EN2
Open Voltage Uoc Max 1000V DC
Max Continuous Operational Voltage Ucpv 1000V DC
Nominal Discharge Current In (8/20)μs 20KA
Maximum Discharge Current Imax (8/20)μs 40KA
Voltage Protection Level Up ≤3.8KV
Response Time ≤25ns
Control and Indication
Operating State/fault Indication Green/Red
Remote Signalling Contact (Optional) Max. Working Voltage(V) 30V DC
Max. Working Current 1A
Connection and Installation
Wire Range Hard cable mm² 4~25
Flexible cable mm² 4~16
Terminal Screws M5
Torque (Nm) Main Circuit 2.5
Remote Contact 0.25
Degree of Protection IP20
Installation Environment
Operating Temperature Range (TU) -40°C~+80°C
For Mounting on TH35-7.5/DIN35
Relative Humidity 30%~90%
Weight kg 0.36
Dimensional Drawing
SPD Front View SPD Side View SPD Installation SPD Terminals
Company Profile
We are a trusted manufacturer of protective components for photovoltaic systems across the globe. Our experience of working in the electrical industry for more than 30 years allows us to create solar DC components that comply with the latest DC standards.
Through our focus on solar DC protection design, production, and marketing, we can bring brand-building PV protection solutions. With the inheritance of 30+ years of experience in the research and production of DC protection products, we are continuously dedicated to the EV charging field.
In recent years, we have attentively invested resources in research on EV-related products, successively manufacturing other types of products, thus reaping wide market popularity across the world.
Factory Production Line Quality Inspection Testing Laboratory Warehouse Stock Advanced Equipment Global Supply Chain
We are instrumental in the success of numerous photovoltaic, battery storage, and EV charging system projects across Australia, Germany, France, Poland, UK, USA, Brazil, South Africa, Philippines, Thailand, Middle East Countries, and much more. We cater to major organizations such as solar power system manufacturers, PV project contractors, distributors, EV charging operators, and distributors.
Frequently Asked Questions
What certifications do your protection components hold?
Our PV protection products and EV charging stations are fully certified by reputable global organizations including UL, SAA, CB, CE, TUV, UKCA, ISO, and RoHS.
What are the key technical standards met by the BUD-40/3 DC SPD?
The BUD-40/3 DC SPD complies with the PV standard EN 50539-11 and standard IEC 61643-31, which details the requirements and testing methods for SPDs utilized in photovoltaic applications.
How do the plug-in MOV modules improve maintenance?
The device contains 3 plug-in high energy MOV protection modules. These can be easily replaced without disconnecting the entire base unit, and they feature an internal thermal disconnect for quick fault identification via a red indicator flag.
What warranty is offered on your DC SPD products?
We provide a standard 5-year warranty on our BUD-40/3 DC surge protective devices, assuring long-term performance and reliability.
What markets and client types do you serve globally?
We serve project installations in Australia, Germany, France, the US, Brazil, South Africa, and more, catering directly to solar power system manufacturers, PV contractors, distributors, and EV charging station operators.

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