B-3689-CR Cole-parmer Ferrite Snap On Line Cord EMI Suppression

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The item you are likely looking for is B-3689-CR (often mistyped as B-3689-CT). It is an official Cole-Parmer accessory—a snap-on ferrite line cord used for electromagnetic interference (EMI) suppression, commonly required for CE compliance on Masterflex peristaltic pump drives.Key DetailsManufacturer Part #: B-3689-CR (Replaces or complements part # 77500-20)Primary Use: Clips onto the power/line cord of lab equipment to reduce electrical noise and meet CE electromagnetic compatibility (EMC) safety standards.Compatibility: Frequently listed alongside Masterflex L/S precision variable-speed console drives and similar digital feeding pump systems.For official support, to confirm compatibility with your specific equipment model, or to request a replacement manual, visit the Cole-Parmer Instruction Manuals page to look up your system's resources. You can also occasionally find this exact spare part through surplus hardware retailers or platforms like eBay.

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