Model Specification: YL4U-31 Panel size: 80 × 80mm Open hole size: 76 × 76mm

Model Specification: YL4U-51 Panel size: 96 × 48mm Open hole size: 91 × 44mm

YL4U-91 Panel size: 96 × 96mm Open hole size: 91 × 91mm

YL4U-A1 Panel size: 72 × 72mm Open hole size: 67 × 67mm

Note: Digital Single Phase Voltage Meter Precision: 0.5 level can be optional with 485 communication, transmit output, open-in, alarm output etc.

Digital Single Phase Voltage Meter