280289 is a polyamide-constructed relay accessory and protection module designed for panel-mount applications using the FASTIN-FASTON connector interface. The product features mounting ears for secure panel attachment and is manufactured from polyamide polymer material, providing durability and electrical insulation. It is compliant with EU RoHS Directive 2011/65/EU, EU ELV Directive 2000/53/EC, and China RoHS 2, with low halogen content (Br, Cl, F < 900 ppm per homogeneous material) and is BFR/CFR/PVC free. This accessory is commonly used in relay systems requiring protection modules and modular connector solutions for industrial control and electrical distribution applications.