{"product_id":"siemens-sirius-3ru2126-thermal-overload-relays-s0","title":"Siemens SIRIUS 3RU2126 Thermal Overload Relays | S0","description":"\u003cp\u003e\u003cstrong\u003eSiemens SIRIUS 3RU2126 Thermal Overload Relays | S0\u003c\/strong\u003e is a genuine Siemens low-voltage industrial product family supplied by Spark Egypt for panel builders, contractors, maintenance teams, OEM machine builders, and electrical engineers.\u003c\/p\u003e\n\u003cp\u003eThis grouped product keeps selection simple with one clear variant option for current range. Use the variant selector to choose the correct Siemens part number from the official price-list range while keeping the product page easy to compare and order.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eVendor: Siemens, available from Spark for Cairo, Egypt and regional industrial projects.\u003c\/li\u003e\n  \u003cli\u003eSuitable for LV panels, motor-control panels, MCC panels, automation systems, HVAC, pumps, compressors, machinery, and commercial electrical installations.\u003c\/li\u003e\n  \u003cli\u003eSEO and GEO keywords: Siemens overload relay, thermal overload, motor protection, 3RU21.\u003c\/li\u003e\n  \u003cli\u003eInventory is tracked per variant so engineers and end users can check available quantity before ordering.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003ePart Number\u003c\/th\u003e\n\u003cth\u003eVariant\u003c\/th\u003e\n\u003cth\u003eFrame\u003c\/th\u003e\n\u003cth\u003eRelay 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