P O W E R T R A N S F O R M E R
CHASSIS MOUNT :
QUICK-CONNECT WORLD SERIES ™
Web: www.TriadMagnetics.com
Phone 951-277-0757
Fax 951-277-2757
460 Harley Knox Blvd.
Perris, California 92571
Publish Date: October 13, 2016
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VPS28-1500
Electrical Specifications (@25C)
1. Maximum Power: 43VA
2. Input Voltage: Series: 230VAC, 50/60Hz; Parallel: 115VAC, 50/60Hz
3. Output Voltage: Series
: 28.0V CT@ 1.5A; Parallel
: 14.0V @ 3.0A
4. Voltage Regulation: 25% TYP @ full load to no load
5. Temperature Rise: 30C TYP (45C MAX allowed)
6. Insulation Resistance: 100MΩ
7. Recommended Fuse
:
Series: Littelfuse p/n 313 2 HXP, 2.0A 250V, slow blow, ¼ x 1 ¼ or,
Cooper Bussmann p/n BKMDL-2, 2A 250V, ¼ x 1 ¼
Parallel: Littelfuse p/n 313 4 HXP, 4A 250V, slow blow, ¼ x 1 ¼ or,
Cooper Bussmann p/n BKMDL-4, 4A 250V, ¼ x 1 ¼
Construction:
Dual bobbin construction with an insulated shroud, both made of a high temperature
material that exceeds UL flammability requirements.
Safety:
These units are designed with 4000VAC isolation between the primary and
secondary, and also, between each winding and the core.
Agency File:
UL: File E53148, UL 5085-1 and 2 (formerly UL 506), General Purpose.
File E65390, UL 5085-1 and 3 (formerly UL1585), Class 2/3
CSA: File LR 221330. C22.2 NO. 66, General Purpose.
TUV Certificate No.: R72103639, EN60950, Information Technology
A. Dimensions: Unit: In inches
B. Mounting Hole Size: 3/16”
C. WT Lbs. : 1.6
D. Terminal Size: 0.187” x 0.020”
Connections
:
Input: Series – 6 and 1, Jumper 5 to 2
Parallel – 6 and 1, Jumper 6 to 2 and 5 to 1
Output: Series – 12 and 7, Jumper 11 to 8
Parallel – 12 and 7, Jumper 12 to 8 and 11 to 7
RoHS Compliance: As of manufacturing date February 2005, all standard products
meet the requirements of 2011/65/EU, known as the RoHS initiative.
* Upon printing, this document is considered “uncontrolled”. Please contact Triad Magnetics’
website for the most current version.
Non-Inherently limited. Class 3.
Non-Inherently limited. Class 2 not wet, Class 3 wet.
Fuse must be used on secondary as conditions of acceptability for UL Class2/3 operation.
Primary and secondary windings are designed to be connected in series or parallel. Winding are not
intended to be used independently.
