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The Centurion II DC Power System has a maximum power output of 6.0kW (+24V rated to
3.0kW @ 24V, 3.3kW @ 27V), producing a maximum current output of 125A/-48V (125A/
+27V).
The system is intended to be a complete power system in a box, so no connections need to be
made internally. All the AC, DC (Load and Battery) connections are made at the rear of the unit.
Alarm connections are accessible from the front by pulling the Supervisory Module forward.
The system is designed to be extremely simple to install and set up.
The following is a summary of the system:
Overall size is 483mm wide (19" standard mounting) x 88.9mm (3.5") high (2U) x 350mm
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(13.78") deep
Up to 3 x 37 amp (-48V or +24V) C2R-2000 or C2RX-2048 rectifiers 41.7A max (may be packaged
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separately) or 3 x 18 amp (-48V) C2R-1000 rectifiers
SM36 supervisory module (fully integrated in the system)
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Battery Low Voltage Disconnect fitted as standard (125A rating).
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2x 100A Battery Circuit Breaker.
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8x 10A, 4x 20A, 4x 30A default Load Circuit Breakers, these may be specified as different values
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(from 2A to 30A) at time of order.
System weight is approximately 8.4kg (18.5 lbs.) without rectifiers, and 13.2kg (29 lbs.) with
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three rectifiers fitted.
Three sets of single phase input terminals: A-L1, B-L1, C-L1 & A-L2, B-L2, C-L2 plus Earth
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are provided to allow several input wiring options: See drawing #M-C2ACOPT located in
manual bag for more information on AC wiring options . Note: Two 3 position terminal
block links/jumpers are provided (in manual bag) for single high current AC source
wiring.
This system is supplied with the AC and DC earths connected unless chassis DC
Note:
isolation is specified when ordering. The standard -48 VDC system output has the DC
Common in the positive side of the circuit (+ve earth system). On +24 VDC systems,
the DC Common has the negative side of the circuit (-ve earth system) connected to
system chassis/earth. The earth link can be removed from the system to isolate
earths. Please see section 4.2 'AC Cabling'.
4 I
NSTALLATION
4.1
Unpacking & Installing in Frame
Upon unpacking, check that the unit is not damaged, and that you have the required number of
rectifiers.
The unit flush mounts into a standard 19" mounting frame. The mounting screws should be
#12-24; however #10-32 may be used with washers. Be sure to mount the unit in the 19" frame
squarely if #10-32 screws are used.
Please note the complete system weight is 13.2kg. (29 lbs.). Ensure the 19" mounting rails are
able to withstand mounting of the system.
A 5/32" (4mm) wide slotted screwdriver has been provided to allaow ease of accessing some of
the smaller recessed DIN style terinal block screws.
Newmar • PO Box 1306, Newport Beach, CA 92663
• Phone: 714-751-0488 • E-mail: techservice@newmarpower.com
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