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Optima 520 Series
1.3 General Description
The Optima 520 Series (model numbers MPD 520XXX) is a family of 96 power distribution units (PDUs) designed for use
with a single
-phase
supply power of either 120 Vac, 110–240 Vac, or 200–240 Vac.
Each PDU receives mains power through an inlet located at the rear. Power is distributed to all outlets on one or two
branches depending on the model. A variety of inlet and outlet connectors is available.
All models include a circuit breaker, indicator, surge suppression. Additionally, four options in a variety of combinations
are available including an integral EMI filter, a remote-switching/remote-EPO control bus, a multi-function power meter,
and delayed on sequencing of two outlet groups.
All models are constructed of a steel chassis, and designed for fixed mounting within a 1U rack space in an EIA-310
compliant rack enclosure.
1.4 Product Models
&
Ratings
Models are primarily organized by what type of power inlet they have. Then by the outlet configurations. All models have
two outlets on the front panel, and ten outlets on the rear panel. Marway’s Standard Products Catalog includes more
detailed tables with exact model number configurations with inlets, outlets, and options identified.
Group
Models*
Mains Inlet
Inlet Rating
Outlets
Outlet Ratings
Group 1
MPD 520001
through
MPD 520012
NEMA 5-15P
120 Vac, 50/60 Hz
12 A continuous
(15 A maximum)
NEMA 5-15R
• 12 A per outlet (15 A max)
• 12 A unit total (15 A max)
Group 2
MPD 520013
through
MPD 520024
NEMA 5-20P
120 Vac, 50/60 Hz
16 A continuous
(20 A maximum)
NEMA 5-20R
• 16 A per outlet (20 A max)
• 16 A unit total (20 A max)
Group 3
MPD 520025
through
MPD 520036
NEMA L5-20P
120 Vac, 50/60 Hz
16 A continuous
(20 A maximum)
NEMA 5-20R
• 16 A per outlet (20 A max)
• 16 A unit total (20 A max)
Group 4
MPD 520037
through
MPD 520048
NEMA L6-20P
200–240 Vac, 50/60 Hz
16 A continuous
(20 A maximum)
IEC C13
• 10 A per outlet maximum
• 16 A unit total (20 A max)
Group 5
MPD 520049
through
MPD 520060
IEC C20
110–240 Vac, 50/60 Hz
16 A maximum
IEC C13
• 10 A per outlet maximum
• 16 A unit total
Continued next page.