0h;aluminium alloy 48h
-- leakage rate：≤ 1 × 10^-4pa.cm³/s
（glass sintered socket，the pressure difference is 1.01 × 10⁵pa）
--mildew-proof,rain-proof，dust-proof
【Electrical characteristics】
Contact resistance and rated current
 

Contact Specifications（mm）	Contact resistance（mΩ）	rated current （A）	Welding barrel inner diameter(mm)
φ1.0	5	5	Φ1.2
φ1.5	2.5	10	Φ1.8
φ2.0	1.25	20	Φ2.5
Φ3.0	0.75	40	φ3.0

 
 
 
 










Rated voltage and voltage resistance,Isolation resistance
 

Operating condition	Rated voltage V	voltage resistance V	Isolation resistance MΩ
Room temperature	500	1500	≥5000
hot and humid	500	1125	≥100
Low pressure (1kPa)	250	300	——