Document reference MAMPS-HW/E HARDWARE MANUAL
Edition 18 - March 2022 VM600 machinery protection system (MPS)
8-9
Rack safety requirements
INSTALLATION
The AC-input rear panels with mains sockets used by VM600 racks have a power entry
module that requires temperature derating when a rack operates in environments with
temperatures greater than 50°C (122°F). See Appendix A.4 - Temperature derating for the
power entry module of a VM600 rack for further information.
In general, for a VM600 rack, the mains power supply lead (power cord)
used must be of sufficient cross-section to meet the power requirements of
the connected equipment.
For a VM600 rack using an AC-input version of the RPS6U rack power
supply, the AC-mains power supply lead (power cord) must meet the
following requirements.
For later versions of the RPS6U (PNR 200-582-x00-02h or later) that define
the power as a total maximum output power of 330 W, the requirements are:
• The AC-mains power supply lead shall be rated for 4 A
RMS
minimum
current at 45°C for an RPS6U using a 230 V
AC
input.
• The AC-mains power supply lead shall be rated for 6.4 A
RMS
minimum
current at 45°C for an RPS6U using a 115 V
AC
input.
For earlier versions of the RPS6U (PNR 200-582-x00-01h or earlier) that
define the power as a rated power of 300 W, the requirements are:
• The AC-mains power supply lead shall be rated for 6 A
RMS
minimum
current at 45°C for an RPS6U.
For all versions of the RPS6U (PNR 200-582-x00-02h and
PNR 200-582-x00-01h), additional requirements are:
• The AC-mains power supply leads shall be at least 1 mm
2
(no. 16 AWG)
and it shall also conform to the following standards, where applicable:
IEC 60227: Polyvinyl chloride insulated cables of rated voltages up to and
including 450/750 V.
IEC 60245: Rubber insulated cables – Rated voltages up to and including
450/750 V.
IEC 60799: Requirements for cord sets and interconnection cord sets for
household and similar general purpose equipment.
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