JTD-GD-3G-200			
		It adopts ‘metal ceramics gas lightening tube’ coaxial protection technology.
N type gas discharge surge protector(DC-3G) is in accordance with IEC60169-16: 1982 and IEC61643-11of class I.
| 
 Name of part  | 
 Material  | 
 Plating  | 
 Thickness of plating  | 
| 
 Shell & Nut  | 
 Brass (HPb59-1)  | 
 Alloy plated  | 
 ≥2μ  | 
| 
 Probe & Inserting hole  | 
 Bronze(QSn6.5-0.1)  | 
 Silver plated  | 
 ≥2μ  | 
| 
 Sealing  | 
 Silicone rubber  | 
 
  | 
 
  | 
| 
 Insulator  | 
 PTEF (SFX-1)  | 
 
  | 
 
  |