LIghtning protection graphite plate

SPD graphite plate is also called the lightning protection graphite plate, is one of the special material of the surge safety protector

working principle:

1. based on arc discharge technology, when the voltage between the electrode reaches a certain degree, the electric circuits or in the communication line for outside disturbance suddenly produce peak current or voltage, surge protector can in a very short time conduction tap, breakdown of air on the electrode arc creepage, to avoid surge damage to other devices in the circuits.
2. lightning arrester with SPD graphite plate, is the use of multi-level continuous discharge gap, insulation, each layer of the spark gap this laminated technology not only solved the problem of afterflow and is a step by step a discharge, virtually increased flow ability of itself

The basic characteristics of surge graphite plate

• Protection of large flow, low residual pressure, fast response
• Using the latest arcing technology, completely avoid fire
• Using temperature control protection circuit, built-in thermal protection 
• With the power status indicators, Indicates the working condition of the urge protector
• structure knit well, High-reliability and wide range application
• Large discharge current, discharge current (up to 100 ka), small leakage current, without stream without arc to spill, good thermal stability

Specifications:

SPD graphite plate generally made of  isostatic pressing purified graphite, purity more than 99.9%,  Compression resistance  more than 90 mpa and flexural more than 45 mpa

Typical size:

Commonly used models are generally diameter 48*2 and diameter 29*2, of cause we can customized for you.

Physical and chemical index

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