Surge Protector - Data Line Surge Protection ISD-1210-T/ISD-1230-T Series Moxa vietnam

Features and Benefits 

  • Plug and play
  • Surge protection for serial data lines 
    • IEC 61632-21 C2 (20 kV protection)
  • Supports RS-232 or RS-422/485
  • Compact size for easy installation
  • Wide temperature model available for -40 to 85°C environments



The ISD-1200-T series provides surge protection for serial data lines to prevent damage to devices such as modems, fax machines, I/O ports, terminals, instrumentation, hubs, and any other devices that use serial data connections. The ISD-1200-T can add serial data line protection to a variety of serial connections: RS-232, RS-422, and RS-485.


Data Line Surge Protection
Maximum Power Protection 5000 watts
Number of Protected Lines 4
Surge Capacity 20 kV, 8/20 μs impulse per line
Working Voltage ISD-1210-T: 15 V
ISD-1230-T: 5 V
Maximum Load Current 0.4 A (20°C), 0.13 A (85°C)
Response Time < 1 ns
Protection Mode Line to line, line to ground
Protection Rating IP30
Bandwidth 10 MHz loss < 1 dB
ISD-1110-T Data in: DB9 male
Data out: DB9 female
ISD-1130-T Data in: Terminal block
Data out: Terminal block
ISD-1210-T/1230-T Data in: Terminal block
Data out: Terminal block
Physical Characteristics
Housing Metal
Dimensions ISD-1210-T: 95 x 53 x 25 mm (3.74 x 2.01 x 0.98 in)
ISD-1230-T: 95 x 53 x 25 mm (3.74 x 2.01 x 0.98 in)
Weight Product only
ISD-1210-T: 214 g (0.47 lb)
ISD-1230-T: 212 g (0.46 lb)
ISD-1210-T: 276 g (0.61 lb)
ISD-1230-T: 274 g

Environmental Limits 
Note: Please contact Moxa if you require products guaranteed to function properly at higher altitudes.

Operating Temperature -40 to 85°C (-40 to 185°F)
Storage Temperature -40 to 85°C (-40 to 185°F)
Ambient Relative Humidity 95% max, non-condensing
Standards and Certifications
EMS IEC 61643-21 C2 (20 kV 1.2/50, 10 kA 8/20)
Warranty and RMA Policy
Warranty Period 5 years (limited to 1-time use)
Warranty Details 
Note: ISD products will only be repaired once within 5 years of purchase. After the first repair, the product’s warranty will no longer be valid.
RMA Policy Moxa does not provide RMA service for ISD products whose PCB board was destroyed by a surge. 
Note: Be sure to purchase the ISD product with maximum surge protection suitable for your environment.