Feature:
Ei28 encapsulated transformer specially designed for electricity meter/power meter/energy meter.
Designed and manufactured according regulations EN61558 EN61000 UL1446
Vacuum Filling
Safety transformer class II
Inherently short circuit proof
Input:230V
Input:115V
Different output voltage available depend on customer's demand
Self-extinguishing plastic Isolation:
Prim./Sec. = 10 MOhm to 500 Vcc - Sec./Sec. = 2 MOhm to 500 Vcc
Dielectric strength Prim. / Sec. = 4.5kV / 1min.
Full testing of all electrical parameters during production
Reliability tests for production batch (life term)
https://www.yozeachina.com/transformer/smart-meter-encapsulated-transformer/pcb-mounting-step-down-transformer.html