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Home Serial Data Communications Data Line Surge Protectors

Data Line Surge Protectors

IEEE 1000-4-5: 1995 and IEEE C62.41-1991 are the recognized standards for top quality, heavy duty surge protectors. B&B Electronics’ RS-232, RS-422, RS-485 data line surge protector units meet these specifications with three stage protection for maximum safety: a gas discharge tube feeds to a series resistor and a TVS (Transient Voltage Suppressor) for each supported line.
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485HESP
RS-422/485 Surge Protector - 3-stage, 3-line
  1. Three stages of protection on every data line: 1)Gas discharge tube, 2)Series resistor, 3)Transient voltage suppressor
  2. Protected signal ground connection
  3. Rugged terminal block connections
  4. Dedicated chassis ground lug

$112.27

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422HESP
RS-422/485 Surge Protector - 3-stage, 5-line
  1. Three stages of protection on every data line: 1)Gas discharge tube, 2)Series resistor, 3)Transient voltage suppressor
  2. Protected signal ground connection
  3. Rugged terminal block connections
  4. Dedicated chassis ground lug

$112.27

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232HESP
RS-232 Surge Protector - 3-stage, 5-line
  1. Three stages of protection on every data line: 1)Gas discharge tube, 2)Series resistor, 3)Transient voltage suppressor
  2. Protected signal ground connection
  3. Rugged terminal block connections
  4. Dedicated chassis ground lug

$112.27

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HESP4DR
Three Stage DIN Rail Surge Protector
  1. Three stages of protection on every data line: Gas discharge tube, Series resistor, Transient voltage suppressor
  2. Protected signal ground connection
  3. Rugged terminal block connections
  4. Dedicated chassis ground lug
  5. Wide operating Temperature
  6. NEMA TS2

$101.97

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232SP9
Single-stage Surge Protector – RS-232, DB9
  1. 600W Transient Voltage Protection
  2. Protects All 9 Pins
  3. Compact Size
  4. Easy to Install

$65.92

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485FPP
Fused RS-422/485 Surge Protector
  1. Protects RS-422 or RS-485 ports
  2. 600W serial circuit surge suppression
  3. 125 mA fast-acting PCB fuses
  4. Simple in-line installation
  5. One time use, disposable unit

$70.04

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