A8 / A8P Installation Manual
2
3
Wiring the A8 Board
h
Remove all AC power from the FPA system before adding or replacing an A8 board
.
Description
The A8 simple distribution accessory provides eight zones of
fused or PTC-protected AC distribution with no built-in con-
trol features. The A8 is capable of distribution of one or two
AC voltages. Each zone output is selectable for either input
voltage by zone.
Specifications
Input
Voltage
16 - 28VAC nominal ±15%
Current
20A maximum
Standby Current 65mA
Output
Voltage
Same as input
Current (A8)
3A
Current (A8P)
2.5A (Class 2 Power Ltd)
Fuse
(A8 Only) 3A ATM automotive style
Size
A8/A8P
4.00" x 2.50" x 1.0"
(102mm x 64mm x 25 mm)
Weight
A8/A8P
0.15lb (0.07kg)
Regulatory Information
The equipment discussed within this manual has been tested
to the following standards:
• UL294, UL2044
• CSA C22.2 #107.1
Mounting the A8 Power Distribution Accessory
Mounting of the board to an enclosure is via the four
snap-in standoffs supplied.
1. Locate the appropriate
mounting holes in the
enclosure and snap
the standoffs into the
holes.
2. Align the board mount-
ing holes with the
standoffs (be sure the PC board is properly oriented)
and snap the board onto the standoffs.
A8
OUT1 OUT2 OUT3 OUT4 OUT5 OUT6 OUT7 OUT8
A8
B1
B2
B1
B2
BR
BR
Each of the
B1, B2, BR,
busses has
two connectors
. These
connectors may be used interchangeably.
First AC voltage continues to
other accessories
Second AC Source continues to
other accessories
BR continues to other accessories
AC OUT terminals to devices to be powered
BR in from System
Input from First
AC voltage source
Input from Second
AC source (optional)
Required Connections
Optional Connections
