LEM DK Series Current Sensor. Supply Voltage: 20 → 50 V dc, 22 → 38 V ac. Mounting Type: Panel Mount. Accuracy: ±1 %. Bore Size: 21.7mm. Minimum Operating Temperature: -20°C. Maximum Operating Temperature: +50°C. Depth: 30mm. Height: 57.2mm. Width: 89.7mm. Output Voltage Range: 0 → 10V. MPN: DK 400 B10