Internal Specifications

INT.AUT.3VA 500A 4P 55KA ETU5 LSIG L/T

This appears to be a list of technical specifications for an electrical component or system. Without further context, it's difficult to provide a precise translation and interpretation. Here's a possible breakdown based on common abbreviations in the electrical field: * **INT:** Internal * **AUT:** Automatic (possibly referring to automatic operation) * **3VA:** Could refer to voltage rating or amperage * **500A:** Amperage rating * **4P:** Four-pole * **55KA:** Short-circuit current rating (kA = kiloamperes) * **ETU5:** Likely a model number or specific designation * **LSIG:** Possibly "Low Signal" or related to signal level * **L/T:** Could stand for "Long Term" or "Life Time" Let me know if you have any additional context about this specification, and I can provide a more accurate translation and explanation.