The 521766-2 is a PL MKIII 250 receptacle housing designed for 2-position positive lock connector applications. This component features a natural nylon construction, providing durability and electrical insulation suitable for industrial and commercial interconnect systems. The housing is compliant with EU RoHS Directive 2011/65/EU and EU ELV Directive 2000/53/EC, ensuring environmental and safety standards are met. The product is rated for 250 amperes in the PL MKIII series, making it suitable for high-current power distribution and interconnection applications. Its positive lock mechanism ensures secure and reliable mating, reducing the risk of accidental disconnection in demanding environments.