The 177555-2 is a horizontal board-mount header from the D-3500D Sensor Connector series, designed for wire-to-board connections. As part of the D-3000 series, it supports both signal and power circuits with a maximum current rating of 15A and a voltage rating of 600V. This connector is built for durability with a rating of up to 500 mating cycles and an IP20 protection class. It operates reliably across a temperature range of -55°C to +105°C, making it suitable for various industrial control, robotics, and power distribution applications.