User's Manual

Site Preparation
Power Consumption, Connections and Power Supplies
MA 2000 Installation and Configuration Guide 36
3.4 Power Consumption, Connections and Power
Supplies
3.4.1 Power Safety Instructions
SAFETY WARNINGS
When installing or selecting the power supplies:
Be sure to disconnect all power sources before servicing.
MA 410/430 Controller lithium type battery should only be replaced by MobileAccess
service personnel. Risk of exploding if battery is replaced by an incorrect type.
Dispose of used batteries according to the instructions.
Calculate the required power according to the requirements of the specific installation
and then determine the configuration of the power supplies. The required DC cables will
then be determined by the selected PS configuration.
Use only UL approved power supplies
AC and DC power supply cables – use only the power cords supplied with the units
Battery replacement in units - only the MA 410/430 controller has batteries. These
should be replaced (when necessary) only by MA Service Personnel.
Install external over-current protective devices for the system according to the
requirements described in section
3.4.3.
3.4.2 Power Consumption of Units
Table
3-1. MobileAccess™ Power Requirements
Unit Type Voltage Input Typical Power
Consumption
Maximum Current
Consumption
2000 Remote Cabinet 20 to 48VDC 25W 1.25A
2000 Lite 20 to 48VDC 4W 0.2A
RU 2000 20 to 48VDC 25W 1.25A
Add-on Unit 1200 25 to 48VDC 50W
2.0A
RIU 20 to 48VDC 12W
0.6A
Base Unit 20 to 48VDC 14W
0.7A
410/430 Controller 20 to 48VDC 10W
0.5A
MA 850 20 to 48VDC 20W
1.0A
3.4.3 Circuit Breakers
Install fuse protections for the system according to the following criteria: