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

Shell-type Single-Phase Transformers

SMM/500 Family

Safety Isolating Transformers

  • Safety isolating transformers built according to standards CEI 96.2 (IEC 61558–1 and IEC 61558– 2–6)
  • Dual voltage input 230/400V
  • Rated voltage outputs 0/12/24V
  • 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 safety isolating transformers are used with all appliances, where the specific standards require them; for example hospital equipment or appliances with the presence of conductive liquids (water).
They guarantee an intrinsic safety, both for their isolating level, as for the extra-low output voltage.
These transformers also differ from the other models, as the output voltage does not exceed 50V AC or 120V DC.
It is possible to use the output 0/12/24V to supply two separate loads, of equivalent power, at 12V (i.e. two halogen lamps), by connecting the two extremes of the output and the central, which become common for both.
The power for each load has to be half of the transformer’s rated voltage.

Dimensions and drillings

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

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