Signal Transformer / Bel A41 All-4-One™ International Transformers

Bel Signal Transformer A41 All-4-One™ International Transformers are designed to provide the high isolation, creepage, and clearance necessary to comply with international safety standards. Bel Signal Transformer A41 transformers feature 25VA to 175VA power and 400VRMS hipot dielectric strength. The series offers solder lug or quick-connect terminal types and has serial or parallel dual secondaries.


  • Meets internationals standards, cost effective
  • UL 94-V0 flammability rating
  • Insulation Class F, 155°C
  • UL, CSA, and VDE agency certified
  • Easily modified
  • Certifications
    • UL 1446 UL File #E66312
    • UL recognized to UL 506/UL 5082-2, File #E63829
    • CSA certified to C22.2 No 66.1, File #221070
    • VDE certified to VDE 0805/EN 60950, File #1448


  • 25VA to 175VA power
  • 4000VRMS hipot dielectric strength
  • Serial or parallel dual secondaries
  • Leakage - current meets UL 60601-1
  • Solder lugs or quick-connect terminals
  • Available with IEC/DIN-compliant quick connects and snap-on protective cover

Electrical Schematic

Schematic - Signal Transformer / Bel A41 All-4-One™ International Transformers


Publicado: 2020-02-10 | Actualizado: 2022-03-10