SPECIFICATION SUBMITTAL Page
Job Name:
Job Number:
Model Numbers:
SivoiaR QS QSPS-J-1-50 J-Box Power Supply
085274D 1 08.08.14
QS J-Box Power Supply
The QS J-Box power supply (QSPS-J-1-50) is a 24 V-
hard wired power supply that is used with Lutron QS
lighting and shading devices.
The J-Box power supply is mounted on a 4 inch square
junction box. The power supply is protected electronically
in the event of a output miswire, and will automatically
reset when wiring is corrected.
Features
24 V- power supply that provides power to shades, key-
pads, and accessories
Simple wiring scheme uses 4-conductor, low voltage link
to provide power and communication for both QS elec-
tronic drive units (EDUs) and seeTouchR QS keypads
Flexible wiring topology for easy installation and integration
Form factor allows the power supply to be hidden in utility
spaces.
1
SPECIFICATION SUBMITTAL Page
Job Name:
Job Number:
Model Numbers:
SivoiaR QS QSPS-J-1-50 J-Box Power Supply
085274D 2 08.08.14
Specifications
Input Voltage - 120 V~
Input Current - 1 A
Output Voltage - 24 V-
Operating Frequency - 50/60 Hz
ESD Protection - (+/-) 16 kV
Output Miswire Protection - Electronic Automatic Reset
Thermal Protection - Electronic Automatic Reset
Wiring - Must be installed by a qualified electrician
Primary Wires - Three 6 in. 18 AWG flying leads with wire connectors
Main/Supply Wiring - 14-18 AWG and rated at least 75 C
Output Wiring - 4-conductor (power and communication; COM, +24 V, MUX, _)
12-18 AWG stranded, twisted/shielded
3-conductor (communication only; COM, MUX, _)
12-26 AWG stranded, twisted/shielded
Output Connections - Terminal Blocks
Weight - 1.1 lb (0.495 kg)
Regulatory - cULus 1310 Class 2 (File # E342153)
Warranty - Limited Warranty go to:
www.lutron.com/technicaldocumentlibrary/window systems warranty.pdf
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SPECIFICATION SUBMITTAL Page
Job Name:
Job Number:
Model Numbers:
SivoiaR QS QSPS-J-1-50 J-Box Power Supply
085274D 3 08.08.14
Dimensions
Primary Wiring
COM
MUX
MUX
COM
24
MUX
MUX
1.40 in
(36 mm)
3.00 in
(76 mm)
4.10 in
(104 mm)
4.30 in
(109 mm)
3.38 in
(86 mm)
3.38 in
(86 mm)
Green
Ground/
Earth
Black
White
Hot/Live (120 V~ 50/60 Hz)
Neutral
wire connector
COM
MUX
MUX
COM
24
MUX
MUX
1.4 in
(36 mm)
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SPECIFICATION SUBMITTAL Page
Job Name:
Job Number:
Model Numbers:
SivoiaR QS QSPS-J-1-50 J-Box Power Supply
085274D 4 08.08.14
Example: Powering one shade / drapery drive unit
(max of one shade / drapery drive unit per output of a power supply)
Example: Powering keypads
Example: Connecting to a GRAFIK Eye
® QS (Note: GRAFIK Eye QS powered from line voltage)
Example: Connecting to a GRAFIK Eye QS (Note: GRAFIK Eye QS powered from line voltage)
Communication link (3 conductor)
Communications used to connect power supplies to each other or to GRAFIK Eye QS
12-26 AWG standard, twisted/shielded
Power and communication link (4 conductor)
Provides power and communication to QS shades or keypads
12-18 AWG standard, twisted/shielded
LUTRON
Close
Open
Preset
LUTRON
Close
Open
Preset
LUTRON
Close
Open
Preset
Close
Preset
Open
Meeting
Videoconf
Afternoon
A/V Night
Off
LUTRON
Close
Open
Preset
LUTRON
Close
Open
Preset
LUTRON
Close
Open
Preset
...up to 8 keypads
on link (B)
Close
Preset
Open
Meeting
Videoconf
Afternoon
A/V Night
Off
LUTRON
Close
Open
Preset
LUTRON
Close
Open
Preset
LUTRON
Close
Open
Preset
LUTRON
Close
Open
Preset
LUTRON
Close
Open
Preset
LUTRON
Close
Open
Preset
...up to 8 keypads
on link (B)
Devices powered by
GRAFIK Eye QS
Devices powered
by supply
Devices powered by
Devices powered by supply
GRAFIK Eye QS
(Refer to GRAFIK Eye QS spec submittal
for maximum devices that can be powered by
GRAFIK Eye QS
QS Link Wiring
Link Rules
The following link rules must be observed for proper operation.
Only use cable with at least one twisted/shielded pair for communications (_ and MUX)
• All secondary wiring must be of type CL2, CL2P, CL2R, CL2X or other cable with equiva-
lent or better electrical, mechanical, and flammability ratings in accordance with local and
national electric code.
• Total length of power supply link (A) wire plus device link (B) wire in entire system must be
less than 2000 ft (609 m)
Maximum devices powered from
one QSPS-J-1-50
Total wire length of link (B)
based on wire gauge
Shades Controls
12 AWG
(4 mm
2
)
Q S H - C B L- L- 5 0 0
16 AWG
(1.5 mm
2
)
QSH-CBL-M-500
18 AWG
(1 mm
2
)
GRX-CBL-346S-500
None
Up to 8 power
draw units**
2000 ft
(600 m)
1500 ft
(450 m)
1 Sivoia QS
shade/drapery
drive unit
Up to 1 power
draw unit*
250 ft
(75 m)
100 ft
(30 m)
50 ft
(15 m)
* 1 seeTouchR QS keypad is equal to 1 power draw unit. See document 369405 for a list of
PDUs per product.
** 1 QSE-CI-NWK-E is equal to 2 power draw units
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