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Open Loop Clamp-on: HOCS

Hall Effect

Prismatic’s clamp type current sensors operate on the well-known Hall Effect principle. These current sensors are an excellent solution for sensing of Direct Currents as well as Alternating Currents of up to 3KHz, with excellent linearity and stability. The hinged clamp enables the easy installation of the device without the need for shut downs and disconnection of heavy primary cables.

Tech Specs

Technical Drawing of HOCS
All dimensions are in mm. Not to scale.
Schematic Diagram of HOCS
Current Rating
50A, 100A, 200A, 300A, 400A
Maximum Current
Up to 200%
Operating Temperature
0 to 50°C, -25°C to +85°C
DC to 3KHz
+5V DC
Output Signal at Rated Current
+2.5V ref ± 1V (Output is 2.5V at Zero Primary Current)
Connection Option
Plug-in connectors or fixed cables (non-removable)


  1. Other configurations on request
  2. RoHS 3 compliance is available on most products, subject to our confirmation.
  3. Specifications subject to change without notice.
  4. General Tolerance: ± 1.0mm.

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