Siemens MD-12HD, Руководство пользователя, Страница: 10 / 74

9 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-12HD-P-D-N
MD-48HD-P-D-N
MD-12HD-C-D-N, MD-12HD-C-N-N
MD-48HD-C-D-N, MD-48HD-C-N-N
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
MD-12HD-P-D-N and MD-48HD-P-D-N meters need to be installed in a user-supplied UL Listed/ uR
recognized enclosure in order to comply with NEC and local electrical codes.
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).
Symbols in Documentation
Contains additional information pertinent to current subject
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.