Product Description
The BEIYI BEY-40/DC DC Surge Protective Device (SPD) is a high-quality lightning and surge protection solution designed for solar photovoltaic (PV) systems and DC electrical applications. It protects sensitive electrical equipment from transient overvoltage, lightning surges, and switching spikes, ensuring the safety and reliability of your solar power system.
Engineered with advanced surge protection technology, the BEY-40/DC offers fast response time, high discharge capacity, and dependable performance for long-term operation. Its compact DIN rail mounting design allows quick installation inside solar combiner boxes, DC distribution panels, inverters, and battery systems.
This Type 2 DC SPD is ideal for protecting solar panels, inverters, charge controllers, and other DC devices from unexpected voltage surges caused by lightning or electrical disturbances. Similar Type 2 1000V DC SPDs are commonly used for PV system protection and follow IEC/EN 61643 standards.
Key Features
- 1000VDC surge protection
- Protects against lightning & overvoltage
- Designed for solar PV systems
- Type 2 DC Surge Protective Device
- Maximum discharge current: 40kA
- Nominal discharge current: 20kA
- Fast response time protection
- Flame-resistant durable housing
- Visual status indication window
- DIN rail mounting design
- Easy installation & maintenance
- IEC61643-1 certified design
- Suitable for inverter & solar protection
Technical Specifications
| Specification | Details |
|---|---|
| Brand | BEIYI |
| Model | BEY-40/DC |
| Product Type | DC Surge Protective Device |
| SPD Type | Type 2 |
| Rated Voltage (Uc) | 1000VDC |
| Maximum Discharge Current (Imax) | 40kA |
| Nominal Discharge Current (In) | 20kA |
| Voltage Protection Level (Up) | ≤ 4.0kV |
| Standard | IEC61643-1 |
| Mounting Type | DIN Rail |
| Pole Type | 2 Pole |
| Application | Solar PV & DC Systems |
Applications
- Solar PV Systems
- Battery Storage Systems
- Solar Combiner Boxes
- DC Distribution Panels
- Industrial DC Equipment
- Inverter Protection
- Off-Grid Solar Systems
- Renewable Energy Projects
Product Advantages
- Prevents damage from lightning surges
- Enhances solar system safety
- Protects expensive electrical equipment
- Improves system reliability and lifespan
- Fast surge response performance
- Compact and space-saving design
- Suitable for residential & industrial use
- Reduces maintenance and repair costs
Why Choose BEIIY BEY-40/DC SPD?
The BEIIY BEY-40/DC SPD is designed for modern solar and DC electrical systems where reliable surge protection is essential. With high discharge capability, durable construction, and fast protection response, it ensures maximum protection for your valuable electrical devices and renewable energy systems.
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