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External protection

E4821B

EI 48/20,5

External protection

10.0 VA - 70ºC/B

Logo CE

Simple primary

Simple secondary
E4821B

Weight/unit:

340 gr

 E4821B

Weight/minibox (Units: 1)

340 gr

 E4821B

Weight/bigbox (Units: 36)

12240 gr
HR Ref. Primary Sec. Sec. In

Vo

(In=0)

 External protection Fuse
P1 P2 S1 S2 Is1 Is2

Sec. (F)

S1

Prim. (T)

P1
E4821664 115 V - 4.5 V - 2222.0 mA - 5.6 V 2500.0 mA 125.0 mA
E4821650 115 V - 6.0 V - 1667.0 mA - 7.5 V 2000.0 mA 125.0 mA
E4821652 115 V - 7.5 V - 1333.0 mA - 9.3 V 1600.0 mA 125.0 mA
E4821654 115 V - 9.0 V - 1111.0 mA - 11.2 V 1250.0 mA 125.0 mA
E4821656 115 V - 12.0 V - 833.0 mA - 15.0 V 1000.0 mA 125.0 mA
E4821658 115 V - 15.0 V - 667.0 mA - 18.7 V 800.0 mA 125.0 mA
E4821660 115 V - 18.0 V - 556.0 mA - 22.5 V 630.0 mA 125.0 mA
E4821662 115 V - 24.0 V - 417.0 mA - 30.0 V 500.0 mA 125.0 mA
E4821B

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