倍加福FN-LB-I現場螺紋安裝浪涌保護器

●?單通道
●?現場安裝模式
●?3種螺紋安裝
●?不銹鋼外殼
●?放電電流10 kA/線
●?500 V線地絕緣電壓
●?適合危險區安裝

功能

該浪涌保護器能夠限制來自雷電和開關沖擊等各樣的瞬時感應電流。其原理是向大地轉移瞬間高電流并且對持續的浪涌電流進行限制直至使信號線間的電壓達到安全水平。它能夠為被保護的設備提供85 V的線與線和500V的線與地之間的鉗位電壓，能夠保護最少有500 V的與地絕緣電壓的設備。安裝在管道或常用過程儀表的電纜接口處。注意：浪涌保護器必須與地保持可靠有效的連接，保護設備保持等電位，接地系統必須遵循所有適用標準。

技術參數

Supply
Rated voltage  48 V
Rated current  250 mA
Leakage current  5 μA
On-state voltage  85 V
Ground insulation  500 V breakdown voltage
Ambient conditions
Ambient temperature -30 ... 60 °C (-22 ... 140 °F) for Ex application, please
observe EC-Type Examination Certificate
Mechanical specifications
Housing material stainless steel 1.4401 (AISI 316)
surface all over polished
Protection degree IP20
Cable
Length L 0.4 m
Mass approx. 200 g
Dimensions AF22 x 77 mm (0.9 x 3 in)
FS-LB-I M20 x 1.5 thread
Mounting FP-LB-I PG 13.5 thread
FN-LB-I ? NPT thread
Data for application in connection
with Ex-areas
EC-Type Examination Certificate PTB 00 ATEX 2175
Group, category, type of protection,
temperature classification
? II 2G EEx ia IIC T6
CSA approval
Control drawing 116-0187 (cCSAus)