Valcom/Idec IBSB22317 Digic Bar Zener Barrier

The component is a Zener Barrier used in intrinsic safety systems, specifically: Model: IDEC IZBA1RL Type Code: IBSB22317 Brand: VALCON DIGIC BAR (manufactured by IDEC IZUMI Corp., Japan) Description: A Zener barrier is a safety device used to limit the voltage and current entering hazardous areas to ensure that explosive atmospheres (like in oil & gas or chemical plants) are not ignited by electrical equipment. Key Specifications from the Label: Zener Barrier Type: IBSB22317 (also marked as IBSB22317 on the enclosure) Standard: IS 2291 (Indian Standard for intrinsically safe equipment) Fuses: F1: IBSBF100 F2: IBSBF100 Intrinsic Safety Type: 3nG4 Safety Rating: 250V AC-DC Installation: Non-hazardous side (barrier is placed between safe and hazardous zones) Serial No.: 163708 Date Code: 06.08 (likely June 2008 or Week 6 of 2008, depending on manufacturer's format) Origin: IDEC IZUMI CORP., JAPAN Please review pictures carefully and let us know if you have any questions!