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P O W E R I N G T E C H N O L O G Y
Document Number: MS0031-MAN rev. 7
guardian_access_ms31-man-rev7-0521.indd
2.3 System Parameters
OUTPUT
Power (max)
21.4kW load + 1.8kW battery charge @ 230/400VAC nominal
13.6kW including battery recharge @ 120VAC nominal
Output Current (max)
400A load + 33.6A battery charge @ 230/400VAC nominal
254A including battery recharge @ 120VAC nominal
Voltage
44-57.6VDC
INPUT
Voltage Range
100-120VAC, 1W+N+PE, 50/60Hz
200-240VAC, 2W+PE, 50/60Hz
208-240/360-416VAC, 3W+N+PE, 50/60Hz
Frequency
47-63Hz
Input Current
1-phase 160A @ 100-120VAC, 135A @ 200-240VAC
3-phase 45A per phase @ 230/400VAC
Power factor
>0.98
Surge Protection
Optional
DC DISTRIBUTION & BATTERY MANAGEMENT
Battery Breakers
1 to 6 x 100A or 125A
Symmetry Inputs
Up to 12
Programmable LVD / PLD
1 x 400A (voltage) / 1 x 125A or 200A (voltage/time) [optional]
Load Breakers
20, 17 or 14 x 18mm, depending on number of battery breakers
Ratings
single pole - 4A, 6A, 10A, 16A, 20A, 25A, 32A, 40A, 50A, 63A
MONITORING AND CONTROL
Controller
ACX Advanced
Local Interface
4 x 20’ LCD, 4-key menu, USB (ACX only) and RS232
Remote Interface
Ethernet / Modem using PowCom™ software
Visual Indication
Green LED - System On
Yellow LED - Message(s)
Red LED - Alarm(s)
Analog Inputs
12 x voltage inputs (range 0-100VDC)
Alarm Outputs
4 x potential free relays (C, NC, NO)
Digital Inputs
2 x, Logic 0: U<10VDC, Logic 1: U>12VDC (ACX only)
Digital Outputs
2 x, open collector type (ACX only)
Temperature measurement 2 x Temperature probe (Battery, Ambient)
CONNECTIONS
Battery connections
M8 lugs, +Ve common from bus bar
AC connections
Max. 4AWG/16mm
2
, screw type connector
Load breaker connections
-Ve termination direct to breakers, +Ve common from busbar
11AWG/4mm²
Alarm connections
Max. 14AWG/1.5mm², screw type connector
