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Home › Products › TransformersSingle-Phase Transf. MMI/500 Family

Shell-type Single-Phase Transformers

MMI/500 Family

Isolating Transformers

  • Isolating transformers built according to standards CEI 96.2 (IEC 61558–1 and IEC 61558– 2–4)
  • Dual voltage input 230/400V
  • Rated output 0/110V – 0/110V
  • Insulation material group F
  • Ambient temperature max. 35 °C
  • Degree of protection IP 00
  • Class I built with M4 or M5 ground
  • Zinctropicalized steel fixing angles
  • Varnish dipped and oven dried
  • On stock

The isolating transformers are used for appliances, where the standards permit low voltage use (i.e. 220V) for services and supplies of actuators, small motors or to isolate parts of installations from the current mains.
The MMI/500 family is built with two identical outputs, each with half power, which can reach, after making a series or parallel connections, respectively the voltages 220 or full power 110.
If you connect the secondaries in parallel, please take special care in connecting the terminals of 0V with 0V and 110V with 110V, to avoid short-circuiting.

Dimensions and drillings

Reference Number Rated Output
(VA)
Dimensions Drillings Dissipated
Power
(W)
Weight
(Kg)
L P H A B G
MMI/501 25 75 70 87 55 45 4,5 6,8 1,0
MMI/502 40 75 80 87 55 55 4,5 8,7 1,2
MMI/503 63 84 80 96 60 57 5,2 12,8 1,6
MMI/504 100 96 80 106 68 58 5,2 17,9 2,2
MMI/505 160 96 105 106 68 83 5,2 19,7 3,6
MMI/506 250 120 100 125 80 75 6,5 28,3 4,9
MMI/507 400 120 130 125 80 105 6,5 37,8 7,4
MMI/508 630 150 130 150 105 96 6,5 47,9 10,5
MMI/509 1000 180 135 180 130 96 6,5 58,7 14,1
MMI/510 1600 180 180 180 130 120 6,5 73,8 20

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