Power Transformers

POWER TRANSFORMER
CHASSIS MOUNT :
TOROIDAL MEDICAL SERIES
VPM36-1390
Description:
The toroidal construction inherently reduces stray fields, increases efficiency and minimizes
size compared to traditional EI transformers. The addition of a Flux Band further reduces the
remaining stray fields. The shield between Primary and Secondary improves safety, reduces
common mode signals and minimizes leakage current. Built with a Class F (155°) insulation
system. A 140°C self-resetting thermal switch is included in each primary.
Electrical Specifications (@25C)
1. Maximum Power: 50VA
2. Input Voltages: 100, 120, 220, 240VAC, 50/60Hz
3. Output Voltages: 18VAC @ 2.78A or 36VAC CT @ 1.39A
4. Voltage Regulation: 11.5% TYP from full load to no load
5. Temperature Rise: 45°C TYP
6. Hipot: 4000VAC, Primary to Secondary, Primary & Secondary to Shield & mounting surface
7. Efficiency: 89% TYP. @ full load
Photo for illustration only
RoHS
RoHS
2011/65/EU
2011/65/EU
Agency File:
UL: File E122529, UL 60601-1/(R) 2012 Medical Electrical Equipment – Part 1
CE: ES 60601-1 (IEC 60601-1:2005, MOD)
cUL: C22.2 No. 60601-1:14, Medical Electrical Equipment – Part 1
CB Certified.
OD
Dimensions: Inches (mm)
O.D.
I.D.
HT.*
3.6 (92)
1.2(31)
1.5(38)
*Add 0.188 (3) to the height for mounting hardware
Weight: 0.7Kg
Mounting:
FLAT
WASHER
RUBBER
PAD
BOLT
MOUNTING
METAL
PLATE
Transformer is provided with one metal mounting plate, two rubber pads, M5 x 45mm bolt, nut,
spring and flat washer.
Connections:
H
Transformer is provided with 8” (203mm) long, 0.25” (6.35mm) 12” (305mm) long, 0.5”
(12.7mm) stripped and tinned, stranded
UL 1015 lead wire. Primaries are 22AWG, Secondaries are 20AWG, and Shield is 20AWG.
The GRN/YEL shield lead is typically grounded. Do not lift transformer by leads!
Input Options:
100VAC: Input to Gray & Blue, jumper White & Brown, jumper Blue & Violet.
120VAC: Input to White & Blue, jumper White & Brown, jumper Blue & Violet.
220VAC: Input to Gray & Violet, jumper Blue & Brown
240VAC: Input to White and Violet, jumper Blue & Brown
Output Options:
120VAC: Output from Black & Red, jumper Black & Orange, jumper Red to Yellow
240VAC: Output from Black & Yellow, jumper Red & Orange
SPRING
WASHER
RUBBER
PAD
NUT
WHT
GRY
BLK
BLU
RED
BRN
ORG
VIO
YEL
PRI
Primary and secondary windings are designed to be connected in series or parallel. Windings
are not intended to be used independently.
GRN/YEL
RoHS Compliance: Meets the requirements of 2011/65/EU, known as the RoHS 2 initiative.
S C H E MA TIC
* At printing, this document is considered “uncontrolled”. Contact Triad Magnetics’ website for current version
Web: www.TriadMagnetics.com
Phone 951-277-0757
Fax 951-277-2757
460 Harley Knox Blvd.
Perris, California 92571
Publish Date: June 19, 2015
SEC
POWER TRANSFORMER
CHASSIS MOUNT :
TOROIDAL MEDICAL SERIES
Web: www.TriadMagnetics.com
Phone 951-277-0757
Fax 951-277-2757
460 Harley Knox Blvd.
Perris, California 92571
Publish Date: June 19, 2015
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