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SenseCalc

Loop Power Supply Sizing

Required current plus standard PSU size.

Inputs

Load

Number of 4-20 mA loops on this supply.

Design current including over-range.

Spare capacity for expansion and drift.

Result

Required current (A)
0.220
Recommended PSU size (A)
0.5
Calculation details
Loop total (mA)
176.0
Power at 24 V (W)
5.3

Verify

Check before relying.

Count loops at 22 mA each.

  • 22 mA per loop covers over-range
  • 25% headroom for inrush and growth
  • Round up to the standard frame size
This calculator is a first-pass screening tool. Verify nameplate data, wiring, module configuration, and calibrator readings before acting.

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Workspace

Keep the assumptions with the result.

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