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KDY-20 Modular DC Power Surge Protective Device is designed in accordance with GB18802.1 standards for lightning protection in DC power systems.
This product features high lightning current discharge capability, with each module capable of reaching a maximum discharge current of 20kA.
The product adopts standard 35mm rail mounting for easy installation, and individual modules are pluggable and replaceable.
Various corresponding specifications are available for different DC power supplies, and through different quantity combinations, it can be adapted to multi-circuit DC power supply systems.
Product Dimension Drawing
Model | KDY-20-D220 /D110/D48 | KDY-20/D900 KDY-20/D600 |
---|---|---|
Applicable Power Supply | DC220V, DC110V, DC48V | DC900V, DC600V |
Maximum Continuous Operating Voltage (Uc) | DC320V, DC220V, DC85V | DC1200V, DC800V |
Voltage Protection Level (Up) | 1.5kV, 1.0kV, 500V | 3.2kV, 2.3kV |
Maximum Discharge Current (Imax) | 20kA (8/20µs) | 20kA (8/20µs) |
Nominal Discharge Current (In) | 10kA (8/20µs) | 10kA (8/20µs) |
Upper Lead (+/-) | ≥2.5mm² | ≥2.5mm² |
Lower Lead (PE) | ≥4mm² | ≥4mm² |
SPD Protection Standard (EN61643-11) | Type 2 | Type 2 |
Response Time (tA) | <25ns | <25ns |
Operating Temperature (TU) | -40°C to +70°C | -40°C to +70°C |
Protection Rating | IP20 | IP20 |
Housing Material | PA66 UL94-V-0 | PA66 UL94-V-0 |
Installation Method | 35mm DIN rail (EN 60715) | 35mm DIN rail (EN 60715) |
KDY-20-D48: Designed for 48V DC power systems
KDY-20-D110: Compatible with 110V DC power systems
KDY-20-D220: Suitable for 220V DC power systems
KDY-20/D600: Engineered for 600V DC power systems
KDY-20/D900: Optimized for 900V DC power systems
*Please send the inquiry email containing specific product requirements (such as model, quantity, technical parameters, etc.) to the designated email address salina@kejia.com.
(请将包含具体产品需求(如型号、数量、技术参数等)的询价邮件发送至指定邮箱 salina@kejia.com)