Installation Instructions

T2856
Open Frame Transformer
Specification Chart:
Model # Input (Primary) Output (Secondary)
T2856 115VAC, 50/60Hz, 0.5A 28VAC/56VA (2.0A)
Installation Instructions:
1. Mount transformer in desired location/enclosure (refer to Transformer Dimensions below).
2. Connect AC power 115VAC, 50/60Hz to primary leads (black and white) from terminal numbers 2 and 4
(refer to Wiring Configuration below).
3. Measure output voltage across the secondary leads (yellow and blue) from terminal numbers 6 and 10 (refer to Wiring
Configuration below) before connecting devices. This helps avoiding potential damage.
4. Connect 28VAC device to be powered to the secondary leads (yellow and blue) from terminal numbers 6 and 10
(refer to Wiring Configuration below).
WARNING: This installation should be made by qualified service personnel and should conform to the National
Electrical Code and all local codes.
Wiring Configuration:
Transformer Dimensions:
Model # A B C D E F Approx. Shipping Weight:
T2856
2.7”
68.58mm
2.26”
57.4mm
1.89”
48.0mm
1.11”
28.2mm
3.687”
93.65mm
3.13”
79.5mm
2.5 lbs. (1.14 kg)
28VAC (Secondary) Output
10 9 8 7 6
115VAC (Primary) Input
5 4 3 2 1
F
A
B
Secondary
Leads
D
C
E
Primary
Leads
Altronix is not responsible for any typographical errors. Product specifications are subject to change without notice.
140 58th Street, Brooklyn, New York 11220 USA, 718-567-8181, fax: [phone]
website: www.altronix.com, e-mail: [e-mail].
IIT2856 - Rev. 051512 B16P
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