
GLA-PWSI50
Functional Summary
The GLA-PWSI50 is a 50 Watt Cresnet® Power Supply
designed for use with a Crestron
or anywhere a wall-mountable Cresnet power supply is
needed. It is compatible with any line voltage from 100 to
240 Volts, 50 or 60 Hz.
The GLA-PWSI50 mounts conveniently over the fron t of
an electrical box, with all connections made inside the
box via flying leads using terminal block connectors. An
adapter plate is included for installation over a 1 or
2-gang UK or Euro style electrical box. Without the
adapter plate, the GLA-PWSI50 may be mounted over a 4
inch square or 2-gang US electrical box.
• 50 Watt Cresnet power supply
• Powers the IPAC and other Cresnet devices
• Provides backup power for Crestron Green Light
cabinets
• Compatible with 100 to 240 VAC mains
• Mounts to a 1 or 2-gang UK (BS 4662) or Euro
(DIN 49073) electrical box
• Also compatible with 4 inch square or 2-gang US
electrical boxes
GLA-PWS50 (shown with Adapter Plate) Physical View
®
Green Light™ system,
Specifications
GLA-PWSI50 Specifications
SPECIFICATION DETAILS
Output Power
Output Power
Ripple/Noise
Power Requirements
Input
Enclosure Metal construction, 1- or 2-gang
Environmental
Temperature
Humidity
Heat Dissipation
Dimensions
(without adapter plate)
Height
Width
Depth
Weight 0.54 kg (1.2 lbs)
50 Watts (2.1 Amps) @ 24 Volts
DC, regulated, limited power
source
<1%
0.6 Amps @ 100-240 Volts AC,
50/60 Hz
(BS4662 UK or DIN 49073)
backbox, includes adapter plate
0° to 40°C (32° to 104°F)
10% to 90% RH
(non-condensing)
26 BTU/Hr
10.16 cm (4.00 in)
14.09 cm (5.55 in)
5.76 cm (2.27 in)
Crestron Electronics, Inc. Installation Guide – DOC. 6747A
15 Volvo Drive Rockleigh, NJ 07647 (2022674)
Tel: 888.CRESTRON 02.09
Fax: 201.767.7576 Specifications subject to
www.crestron.com change without notice.

50 Watt Cresnet Power Supply Crestron GLA-PWSI50
Industry Compliance
As of the date of manufacture, the GLA-PWSI50 has been test ed and found to comply with specifications for CE marking.
NOTE: This device complies with part 15 of the FCC rules. Operation is subject to the following two conditions: (1) this
device may not cause harmful interference and (2) this device must accept any interference received, including interference
that may cause undesired operation.
This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to part 15 of the
FCC Rules. These limits are designed to provide reasonable protection against harmful interference in a residential
installation. This equipment generates, uses and can radiate radio frequency energy and if not installed and used in
accordance with the instructions, may cause harmful interference to radio comm unications. However, there is no guarantee
that interference will not occur in a particular installation. If this equipment does cause harmful interference to radio or
television reception, which can be determined by turning the equipment off and on, the user is encouraged to try to correct the
interference by one or more of the following measures:
Reorient or relocate the receiving antenna.
Increase the separation between the equipment and receiver.
Connect the equipment into an outlet on a circuit different from that to which the receiver is connected.
Consult the dealer or an experienced radio/TV technician for help.
2 • Wall Mount 50 Watt Cresnet Power Supply: GLA-PWSI50 Installation Guide – DOC. 6747A

Crestron GLA-PWSI50 50 Watt Cresnet Power Supply
Application
The following diagram shows a GLA-PWSI50 module in a typical application.
GLA-PWSI50 in a Lighting Application
Installation Guide – DOC. 6747A Wall Mount 50 Watt Cresnet Power Supply: GLA-PWSI50 • 3