IOP range

The IOP offers protection for both digital I/O and analog I/O. This is the most economical surge protection solution for I/O offered by our business. Its high packing density, high protection level and low price combine to make the IOP a value solution.
  • IOP32D provides surge protection for two loops
  • IOP32 provides surge protection for one loop or 2 wires
  • Removable terminals - easy installation, easy to test
  • Hybrid protection circuit - 20kA rated surge current
  • ATEX certified
  • Space saving - 0.24” width per loop IOP32D; 0.48” width per loop IOP32
  • 10 Year ‘No Fuss’ Warranty
For certification information - click here.


Là đại lý chính thức của MTLEaton tại Việt Nam, chúng tôi cung cấp Thiết bị chống sét MTL và các sản phẩm khác của MTL, Eaton.

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Product Code Description Downloads

intrinsically safe logo Symbol denotes that the equipment is suitable for use in hazardous area applications.
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IOP     IOP range digital & analogue I/O surge protection Datasheet  Safety Manual 

All figures typical at 25°C (77°F) unless
otherwise stated
Maximum surge current
20kA (8/20µs waveform) per line
Leakage Current
<1µA @ working voltage
Maximum rated load current
0.675A (5A for IOP HC32)
Loop resistance
IOP32 & IOP32D: 4 ohm
IOP-AC: 1 ohm
IOP HC32: 0 ohm
6.5 MHz (N/A for IOP HC32)
< –0.3dB @ < 1MHz
–3.0dB @ 6.5MHz
Response time
Ambient temperature
Working & Storage
-40°C to +80°C (-40°F to +176°F)
(see also “Approvals” below)
5 to 95% RH (non-condensing)
(12 AWG)
Electrical connections
Plug/header screw terminal strip
T-section DIN-rail (35 x 15mm rail)
140g approx. (5oz.)
Case flammability
EMC compliance
BS EN 61326-1:2006
Electrical Safety
BS EN 60950-1:2006+A12:2011

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