Spark Gap Protector / Surge Protector
For instantaneous over-voltage protection to ADSL.ISDN.MODEM.TEL
For instantaneous over-voltage protection to CATV
For instantaneous over-voltage protection to RS485 .RS232 port
For instantaneous over-voltage protection to ammeter, water meter auto admin system, etc
2:Technical spec
DC Spark-over Voltage Min. 140V ~ Max. 1000V
Insulation Resistance =100M
Electrostatic Capacitance =1PF
Surge Current Capacity 8/20us; 1000A
Surge Life Test 8/20us; 100A; 200 times
3:All of the model
SMB series 1000A Dimension 2.6x5.0
SMB-141N(140V) SMB-201M(200V) SMB-301M(300V) SMB-401M(400V) SMB-501M(500V) SMB -701M(700V) SMB -901M(900V) SMB -102M(1000V) SMD -901M(900V)