Home > Products > SPD - C Class > 275V Surge Protection
275V Surge Protection
- 10000 Piece / Pieces per Month
- Ningbo or Shanghai CHINA
- T/T Credit Card
Product Details
Place of Origin: | Zhejiang, China | Brand Name: | REYUN | Model Number: | LYD1-C40/3P+N |
Product Description
275V Surge Protection
LYD1-C series surge protective device is suitable used in the IT, TT, TN-S, TN-C-S and low-voltage AC power distribution system, rated voltage up to 380V, to protect from direct and indirect lightning impulse and other transient over voltage. As per the conditions of IEC61643-1:1998-02 ST standard, Class 3 surge protective device, it is category C surge protective device. SPD has two protection modes: MC and MD, SPD is incompliance with IEC 61643-1 standards.
Installation
- To be mounted between LPZ0B zone or LPZ1 zone and LPZ2 zone, adopts 35mm standard mounting rail. The cross sectional area of multi-stand soft copper conductor: 2.5-35mm2.
- Every phase of SPD shall be protected by fuse or mini circuit breaker from short circuit when SPD is broken down caused by surging voltage.
- It is mounted in distribution boxes of different floors, computer center, telecommunication room, control room of elevator, CATV room, fire fighting center, distribution box of village, etc.
Operation Elements
- SPD as only one side of terminals ,able to prevent from being electric touching, indoor fixedly mounted, limiting voltage.
- SPD has build-in disconnector, when SPD is invalid due to overheating or breakdown, the disconnector can automatically separate SPD from the network, meanwhile send an indication signal. The visible window show white color in normal service, if to be separated from network, it will show red color.
- 1P+N, 2P+N, 3P+N SPD consist of 1P, 2P, 3P SPD and NPE neutral and earthing protection modules, used in the power supply system of TT, TN-S, etc.
Technical Parameter
Model and specification | LYD1-C40 | |||||||
Maxi continuous operating voltage Uc(V/AC) | 1000 | 750 | 420 | 385 | 320 | 275 | 175 | 48 |
Voltage protective level(kV)≤ | 3.5 | 3.0 | 2.0 | 1.8 | 1.6 | 1.5 | 1.3 | 0.6 |
Maxi discharge current Imax(kA) (8/20µs) | 40 | |||||||
Normal discharge current Imax(kA) (8/20µs) | 20 | |||||||
Response time(ns) | <25 | |||||||
Protection grade | IP20 | |||||||
Indication of invalidation | Aging invalidation: white is normal and red is invalidation | |||||||
Application | Primary protection for in line | |||||||
Remote signal function | Remote signal function can select. | |||||||
Remarks | Maxi continuous operating voltage can be customized. |
Outside size:
Contact Us
- Zhejiang Reyun Electric Co., Ltd.
- Contact nameRaymond Lau
- Phone0086-577-27827873
- AddressSulv Industrial Zone, Liushi Town, Yueqing Wenzhou,Zhejiang
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