ETC 480-347-277

Thomas Research Products
SSL Solutions Faster Than The Speed Of Light
480V:347V:277V Series
The 480:347:277V Series are step down
autotransformers designed especially for
lighting applications, typically used in
conjunction with 277V T-5 or T-8 Electronic
Fluorescent Ballasts, LED Drivers or Electronic
HID Ballasts in Industrial and Commercial
applications.
Step Down Autotransformers
for Lighting Applications
Features
• Input Voltage: 480V, 60 Hz or 347V, 60 Hz
• Output Voltage: 277V, 60 Hz
• Insulation Rating: 125 & 460– 105ºC, 245– 130ºC
• Non-isolated Autotransformer
• 5 Year Warranty - Industry Best
Losses
Input Current
Max Load
Input Current
No Load
Weight
(lbs)
480:347:277-125VA
7W
0.26 A
0.070 A
2.3
480:347:277:220-245VA
10W
0.57 A
0.080 A
5.3
480:347:277-460VA
18W
0.96 A
0.220 A
7.2
Part Number
Dimensions
A
(in)
B
(in)
245VA
3.39
3.07
2.81
2.68
3.34
460VA
3.82
3.34
3.15
2.95
3.74
Model
125VA
C
(in)
D
(in)
E
(in)
See drawing below (mm)
Wiring
480V RED
347V BLUE
277V BLACK
220V ORANGE
(245VA Model Only)
COM WHITE
Specifications subject to change without notice.
Thomas Research Products • 11548 Smith Dr. • Huntley, IL 60142 • T: 847-515-3057 • F: 847-515-3047 • wwwtrpssl.com
COM WHITE
01-26-12