Operating Instructions

Siemens Industry, inc. 12
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DO NOT EXCEED 346V Line to Neutral or 600 volts Line to Line. This meter is
equipped to monitor loads up to 346V L-N. Exceeding this voltage will cause
damage to the meter and danger to the user. Always use a Potential
Transformer (PT) for voltages in excess of 346V L-N or 600 volts line to line.
The MD-xxHD is a 600 Volt Over Voltage Category III device.
Maintenance
There is no required maintenance with the MD-xxHD. Abide by the following items:
Cleaning: No cleaning agents, including water, shall be used on the MD-xxHD.
No accessories are approved for use with the MD-xxHD meter other than those specified in the Siemens
product literature and price sheets.
If the meter appears damaged or defective, first disconnect all power to the meter. Then call or email
technical support for assistance:
Siemens Industry, Inc.
Buffalo Grove, USA
Phone: [phone] – Option 2
https://support.industry.siemens.com
Email: [e-mail]