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3.0 - Power Supply Information
3.1 Power Supply Module (24V) Wiring
Voltage:
For terminal block connector wiring best practices, see
General Wiring Recommendations.
This is a Class 2 Product. Use a Class 2 transformer only (rated between
60 and 100VA at 24VAC) for each power supply module.
A separate transformer rated at 60 VA minimum must be
used for each power supply module (24V) for it to
operate at full capacity. Choose a transformer that can
supply both the needs of the power supply (60VA) and
any other 24VAC loads such as connected wireless
adapters: add up the maximum power consumption of
all loads and multiply this sum by 1.3.
Use an external fuse on the 24VAC side (secondary side)
of the transformer, as shown in the figure below, to
protect all modules against power line spikes and
mis-wiring.
Maintain consistent polarity when connecting controllers
and devices to the transformer. One terminal on the
secondary side of the transformer must be connected to
the building's ground. Ensure that the 24V COM termi-
nal of the power supply is connected to the grounded
transformer secondary connection.
Acuity Brands | One Lithonia Way Conyers, GA 30012 Phone: 800.535.2465 www.acuitycontrols.com © 2017-2019 Acuity Brands Lighting, Inc. All rights reserved. 03/29/19
24VAC/DC; ± 15%, Class 2
AC Power
Source
(Mains)
DC Power
Source
Fuse: 4A
Fuse: 4A
Max. Fast
Max. Fast
Acting
Acting
Figure 10: Power Supply Module (24V) Power wiring
A1000AT_IG_10_EN
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