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Types and features | Series index | Technical information
External protection

E4220

EI 42/20

External protection

6.3 VA - 70ºC/B

Logo CE

Simple primary

Dual secondary
E4220

Weight/unit:

250 gr

 E4220

Weight/minibox (Units: 5)

1250 gr

 E4220

Weight/bigbox (Units: 64)

16000 gr
HR Ref. Primary Sec. Sec. In

Vo

(In=0)

 External protection Fuse
P1 P2 S1 S2 Is1 Is2

Sec. (F)

S1|S2

Prim. (T)

P1
E4220165 115 V - 4.5 V 4.5 V 700.0 mA 700.0 mA 2x(5.85) V 2x(800.0) mA 100.0 mA
E4220151 115 V - 6.0 V 6.0 V 525.0 mA 525.0 mA 2x(7.8) V 2x(630.0) mA 100.0 mA
E4220153 115 V - 7.5 V 7.5 V 420.0 mA 420.0 mA 2x(9.75) V 2x(500.0) mA 100.0 mA
E4220155 115 V - 9.0 V 9.0 V 350.0 mA 350.0 mA 2x(11.7) V 2x(400.0) mA 100.0 mA
E4220157 115 V - 12.0 V 12.0 V 262.0 mA 262.0 mA 2x(15.6) V 2x(315.0) mA 100.0 mA
E4220159 115 V - 15.0 V 15.0 V 210.0 mA 210.0 mA 2x(19.5) V 2x(250.0) mA 100.0 mA
E4220161 115 V - 18.0 V 18.0 V 175.0 mA 175.0 mA 2x(23.4) V 2x(200.0) mA 100.0 mA
E4220163 115 V - 24.0 V 24.0 V 131.0 mA 131.0 mA 2x(31.2) V 2x(160.0) mA 100.0 mA
E4220

Technical characteristics:

  • Designed and manufactured according regulations EN61558 EN60590 EN60472 UL506 UL1585
  • Two-chamber coil
  • Vacuum sealed
  • Safety transformer class II / Protection index IP00 (For all models with no load voltage lower than 50V according to EN61558, and to 30V according to UL1585)
  • External protection with fuse (See suggested type at table)
  • Self-extinguishing plastic UL94-VO
  • Epoxy resin class F
  • Isolation: Prim./Sec. = 10 MOhm to 500 Vcc - Sec./Sec. = 2 MOhm to 500 Vcc
  • Dielectric strength Prim. / Sec. = 5 kV / 1min.
  • Secondary voltage tolerances 5%
  • Test at 100% of all electrical parameters in production
  • Reliability tests for production batch (life term)
  • Certificates of production test results (under request)
  • Certifications VDE, UL; others certifications under request: CSA, SEMKO