©2005 Signal Transformer Inc. Specications subject to change without notice. 11.05
SM
500 Bayview Avenue, Inwood, NY 11096
Toll Free 866-239-5777 • Tel 516-239-5777 • Fax 516-239-7208
sales@signaltransformer.com • techhelp@signaltransformer.com
www.signaltransformer.com 1
High Performance with Greater Volumetric Efficiency
Multi-Purpose International Transformers
Signal’s MPI transformers feature higher volumetric efficiency for improved performance compared with
conventional 50/60Hz transformers. They also incorporate international safety features making them ideal
for worldwide applications.
General Specifications
• Power - 200 VA to 900 VA
• Dielectric Strength - 4000 Vrms Hipot
• Primaries - Dual / tapped primaries 100 V, 115 V, 200 V, 215 V, 230 V - 50/60Hz
• Dual Secondaries - Series or parallel
• Electrostatic Shield - Solid copper full width foil
• Touch Safe Terminals - Quick connect / screw type terminals
• Leakage - <100 micro amps
• Insulation System - Class B, 155º C
Agency Certifications
• UL 1446, File # E66312
• UL Recognized to UL 506, File # E63829
• CSA Certified to C22.2 #66, File # LR 51265
• Designed to meet VDE 0805 and VDE 0550
• TUV Rheinland Certified to IEC EN61558-2-4 and EN61558-2-6, LIcense # R72042497
Part Number
Secondary
Part Number
Secondary
Series Parallel Series Parallel
MPI-200-10 10 VCT @ 20.0 A 5 V @ 40.0 A MPI-200-28 28 VCT @ 7.1 A 14 V @ 14.2 A
MPI-250-10 10 VCT @ 25.0 A 5 V @ 50.0 A MPI-250-28 28 VCT @ 8.9 A 14 V @ 17.9 A
MPI-300-10 10 VCT @ 30.0 A 5 V @ 60.0 A MPI-300-28 28 VCT @ 10.7 A 14 V @ 21.4 A
MPI-400-10 10 VCT @ 40.0 A 5 V @ 80.0 A MPI-400-28 28 VCT @ 14.3 A 14 V @ 28.6 A
MPI-650-10 10 VCT @ 65.0 A 5 V @ 130.0 A MPI-650-28 28 VCT @ 23.2 A 14 V @ 46.4 A
MPI-900-10 10 VCT @ 90.0 A 5 V @ 180.0 A MPI-900-28 28 VCT @ 32.1 A 14 V @ 64.2 A
MPI-200-12 12 VCT @ 16.7 A 6 V @ 33.3 A MPI-200-36 36 VCT @ 5.6 A 18 V @ 11.2 A
MPI-250-12 12 VCT @ 20.8 A 6 V @ 41.7 A MPI-250-36 36 VCT @ 6.9 A 18 V @ 13.8 A
MPI-300-12 12 VCT @ 25.0 A 6 V @ 50.0 A MPI-300-36 36 VCT @ 8.3 A 18 V @ 16.7 A
MPI-400-12 12 VCT @ 33.3 A 6 V @ 66.6 A MPI-400-36 36 VCT @ 11.1 A 18 V @ 22.2 A
MPI-650-12 12 VCT @ 54.2 A 6 V @ 108.4 A MPI-650-36 36 VCT @ 18.1 A 18 V @ 36.2 A
MPI-900-12 12 VCT @ 75.0 A 6 V @ 150.0 A MPI-900-36 36 VCT @ 25.0 A 18 V @ 50.0 A
MPI-200-16 16 VCT @ 12.5 A 8 V @ 25.0 A MPI-200-40 40 VCT @ 5.0 A 20 V @ 10.0 A
MPI-250-16 16 VCT @ 15.6 A 8 V @ 31.2 A MPI-250-40 40 VCT @ 6.3 A 20 V @ 12.6 A
MPI-300-16 16 VCT @ 18.8 A 8 V @ 37.6 A MPI-300-40 40 VCT @ 7.5 A 20 V @ 15.0 A
MPI-400-16 16 VCT @ 25.0 A 8 V @ 50.0 A MPI-400-40 40 VCT @ 10.0 A 20 V @ 20.0 A
MPI-650-16 16 VCT @ 40.6 A 8 V @ 81.2 A MPI-650-40 40 VCT @ 16.3 A 20 V @ 32.6 A
MPI-900-16 16 VCT @ 56.3 A 8 V @ 112.5 A MPI-900-40 40 VCT @ 22.5 A 20 V @ 45.0 A
MPI-200-20 20 VCT @ 10.0 A 10 V @ 20.0 A MPI-200-48 48 VCT @ 4.2 A 24 V @ 8.3 A
MPI-250-20 20 VCT @ 12.5 A 10 V @ 25.0 A MPI-250-48 48 VCT @ 5.2 A 24 V @ 10.4 A
MPI-300-20 20 VCT @ 15.0 A 10 V @ 30.0 A MPI-300-48 48 VCT @ 6.3 A 24 V @ 12.6 A
MPI-400-20 20 VCT @ 20.0 A 10 V @ 40.0 A MPI-400-48 48 VCT @ 8.3 A 24 V @ 16.7 A
MPI-650-20 20 VCT @ 32.5 A 10 V @ 65.0 A MPI-650-48 48 VCT @ 13.5 A 24 V @ 27.1 A
MPI-900-20 20 VCT @ 45.0 A 10 V @ 90.0 A MPI-900-48 48 VCT @ 18.8 A 24 V @ 37.5 A
MPI-200-24 24 VCT @ 8.3 A 12 V @ 16.7 A MPI-200-230 230 VCT @ 0.87 A 115 V @ 1.7 A
MPI-250-24 24 VCT @ 10.4 A 12 V @ 20.8 A MPI-250-230 230 VCT @ 1.1 A 115 V @ 2.2 A
MPI-300-24 24 VCT @ 12.5 A 12 V @ 25.0 A MPI-300-230 230 VCT @ 1.3 A 115 V @ 2.6 A
MPI-400-24 24 VCT @ 16.7 A 12 V @ 33.3 A MPI-400-230 230 VCT @ 1.7 A 115 V @ 3.4 A
MPI-650-24 24 VCT @ 27.1 A 12 V @ 54.2 A MPI-650-230 230 VCT @ 2.8 A 115 V @ 5.6 A
MPI-900-24 24 VCT @ 37.5 A 12 V @ 75.0 A MPI-900-230 230 VCT @ 3.9 A 115 V @ 7.8 A
©2005 Signal Transformer Inc. Specications subject to change without notice. 11.05
SM
500 Bayview Avenue, Inwood, NY 11096
Toll Free 866-239-5777 • Tel 516-239-5777 • Fax 516-239-7208
sales@signaltransformer.com • techhelp@signaltransformer.com
www.signaltransformer.com
©2005 Signal Transformer Inc. Specications subject to change without notice. 11.05
500 Bayview Avenue, Inwood, NY 11096
Toll Free 866-239-5777 • Tel 516-239-5777 • Fax 516-239-7208
sales@signaltransformer.com • techhelp@signaltransformer.com
www.signaltransformer.com
High Performance with Greater Volumetric Efficiency
Multi-Purpose International Transformers
VA Mechanical Dimensions
L W H ML MW Weight
Size Inches (mm) lbs (kg)
200 3.750
(95.3)
4.460
(113.3)
3.665
(93.1)
3.250
(82.6)
2.800
(71.1)
6.22
(2.82)
250 4.125
(104.8)
4.130
(104.9)
3.864
(98.2)
3.625
(92.1)
2.601
(66.1)
6.76
(3.07)
300 4.125
(104.8)
4.450
(113.1)
3.864
(98.2)
3.625
(92.1)
2.915
(74.0)
7.80
(3.54)
400 4.125
(104.8)
5.040
(128.1)
3.864
(98.2)
3.625
(92.1)
3.505
(89.0)
9.82
(4.46)
650 5.250
(133.3)
4.700
(119.4)
4.635
(117.8)
4.500
(114.3)
3.415
(86.7)
14.83
(6.73)
900 5.250
(133.3)
5.500
(139.7)
4.635
(117.8)
4.500
(114.3)
4.205
(106.8)
19.84
(9.01)
