Operating Instructions

11 Siemens Industry, Inc.
MD-xxHD Meter Safety Summary and Specifications
This general safety information
is to be used by both the Logger
operator and servicing
personnel. Siemens assumes no
liability for user’s failure to
comply with these safety
guidelines.
MD-3HD-C-D-N
MD-3HD-R-D-N
MD-12HD-P-D-N
MD-24HD-C-D-N
MD-48HD-P-D-N
MD-3HD-C-D-N, MD-3HD-R-D-N,
MD-12HD-C-D-N, MD-12HD-C-N-N
MD-24HD-C-D-N, MD-48HD-C-D-N,
MD-48HD-C-N-N, SC1700-EM,
SC1704-EM, SC1799-EM,
SC1731-EM, SC1732-EM
The MD-xxHD Family conform to
the following:
MD-xxHD Series:
Conforms to
UL Std 61010-1, 3rd Edition
Certified to
CSA Std C22.2 No.
61010-1, 3rd Edition
All MD-xxHD meters must be installed in a user-supplied UL Listed/ uR recognized enclosure to comply with
NEC and local electrical codes.
Modifications
This device complies with Part 15 of the FCC rules. Changes or modifications not expressly approved
by Siemens Industry Inc. could void the user’s authority to operate the equipment.
The MD-xxHD is an Over-Voltage Category III device. Use approved protection when operating the device.
CAUTION: THIS METER MAY CONTAIN LIFE THREATENING VOLTAGES. QUALIFIED PERSONNEL
MUST DISCONNECT ALL HIGH VOLTAGE WIRING BEFORE SERVICING THE METER WITH
THE HIGH VOLTAGE TOUCH SAFE COVER REMOVED.
Symbols on Equipment
Denotes caution. See manual for a description of the meanings.
DENOTES HIGH VOLTAGE. RISK OF ELECTRICAL SHOCK. LIFE THREATENING VOLTAGES
MAY BE PRESENT. QUALIFIED PERSONNEL ONLY.
Equipment protected throughout by double insulation (IEC 536 Class II).