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You Are Here: About Company » Products Categories » Low-Voltage Electrical Product » EKU4-40Z Plug-in_changeable DC SPD
EKU4-40Z Plug-in_changeable DC SPD
Application
The function of lightning and surge protection systems is to protect the devices, functional isolations and overvoltage-sensitive consumer equipments of energy distribution systems against all lightning and overvoltage damages.whole building;the outdoor lightning protection system is generally not sufficient to eliminate such malfunctions. At most of types, the defected protection device can be made operative again by changing the damaged insert; these variants are also equipped with both optical operation signal and auxiliary status contact.
Electrical Features
| Model and Specification | CAU4-40Z/500 | CAU4-40Z/800 | CAU4-40Z/1000 | |
| Rated Voltage(VDC) | 500V | 800V | 1,000V | |
| Continuous Operation Voltage(VDC) | 550V | 850V | 1,100V | |
| Voltage Protection Level of Up | 2.5 | 3 | 3.6 | |
| Nominal Discharge Current In (8/20μs) | 20KA | 20KA | 20KA | |
| Maximum Discharge Current Imax (8/20μs) | 40KA | 40KA | 40KA | |
| Reaction Time | ＜25ns | ＜25ns | ＜25ns | |
| Width/Pole | 18mm | 18mm | 18mm | |
| Shell Material | PBT | PBT | PBT | |
| Ambient Temperature | -40℃-80℃ | -40℃-80℃ | -40℃-80℃ | |
| Fuse or Circuit Breaker Matched | 25A | 25A | 25A | |
| Terminal Specification | Line | 2.5~35mm2 | 2.5~35mm2 | 2.5~35mm2 |
| PE | 2.5~35mm2 | 2.5~35mm2 | 2.5~35mm2 | |
| Signal | 1.5mm2 | 1.5mm2 | 1.5mm2 | |
| No.of Pole | V+/PE/V- | V+/PE/V- | V+/PE/V- | |
| Protection Degree | Ip20 | Ip20 | Ip20 | |
| Mounting | DIN rail 35mm | DIN rail 35mm | DIN rail 35mm | |
| Network System | PV | PV | PV | |
| Signal Terminal | Available | Available | Available | |
Overall and Installation Dimension(mm)
Changan Group Co.,Ltd
Add:No.288 Wei 17th Road, Yueqing Economic Development Zone, Yueqing, Wenzhou, Zhejiang Province, P.R.China
Tel:+ 0086-577-62763666 62760888
Fax:+0086-577-62774090
Website:https://www.changanelectric.com
Email:sales@changangroup.com.cn
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