The 121587-0036 is a 36-position, panel-mounted rectangular receptacle designed for robust applications. It supports an operating voltage up to 250V AC rms and a contact current rating up to 13A. This connector is built for durability with a rating of up to 500 mating cycles and operates over a wide temperature range of -55°C to +105°C. The housing is made of a grey, UL94-V0 rated flame-retardant polyamide, making it suitable for demanding environments such as railway applications.