QJB - Q-Tran

Q-TRAN JUNCTION BOX
QJB
1
Max Lamp
Load (Watts) 1
Size
QJB10
QJB20
QJB10DC
QJB20DC
Max Prim. Amps @
120V/12V / 24V
Max Prim.
Amps @ 277V
0.096 A
0.192 A
0.096 A
0.192 A
0.042 A
0.083 A
0.042 A
0.083 A
10W
20W
10W
20W
2 Primary Voltage
120 (60Hz)
277 (60Hz)
3 Transformer Secondary Voltage
12VAC
24VAC
4 Number of Breakers
12VDC
24VDC
One Secondary Circuit Breaker comes standard
Ordering Example
QJB10 - 120/12AC
QJB10 - 120/24DC
4 x 4 J-Box
LOW VOLTAGE LIGHTING POWER SUPPLY
Q-Tran, Inc. reserves the right to change product specifications at any
time without incurring obligations.
Rectifier*
Mount
Screw
4.000”
• FOR INDOOR USE ONLY
• SUITABLE FOR DAMP LOCATIONS
• WALL
• TYPE IC RECESSED, INHERENTLY PROTECTED
• DIMMER, IF USED, MUST BE MAGNETIC LOW VOLTAGE DIMMER
• CERTIFIED TO STANDARDS ANSI/UL 2108 AND CSA C22.2 NO. 250.0-08/UL
1598 (3RD EDITION)
Breaker
239924
2.33”
4.000”
3.753”
3.739
Secondary Primary
3.750”
Door
1.738
4.125”
Front
4.125”
JB with Door
3.796
Bottom
Side
Primary Circuit Protection
• Primary Magnetic Circuit Breaker
• Primary Autoset Thermal Protector
Thermal protector will temporarily disconnect the primary if the transformer overheats
due to an overload or saturation from a faulty dimmer.
Secondary Circuit Protection
Housing Dimensions
• 20 - gauge Steel Enclosure:
3.75”L x 3.75”W x 1.75”H
• JBox: 4” x 4” x 2.5”
• Color: White Powder Coating
• Knockouts: 2
Included Items
• Barrier Plate
Toroidal Transformer
• Magnetic Circuit Breaker: 1
• Amps: 5A
• Primary Taps: 1
• Output Voltages: AC or DC
(Must be specified)
Breakers are sized to the feed load per N.E.C. Article 411 (not to exceed 25 amps per
load). All wiring by the electrical contractor must be Class 1 compliant to N.E.C.
Q-TRAN uses a bridge rectifier to convert the
AC to DC.
See Voltage Drop Calculator
at our website.
*Rectifier is standard in DC units only.
20
© Q-Tran, Inc.
www.q-tran.com

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