Benshaw RB3-1-S-477A-17C - Benshaw RB3 Open Chassis Soft Starters are based on the same field proven, rugged, solid state starters were design as the RB2 Series. Select based on your application (Standard Duty, Heavy Duty or Severe Duty) and voltage ratings from 208-575VAC up to 590A. The RB3 soft starter includes an integral bypass contactor in a modular design with separate poles for each phase, allowing for ease of maintenance. MX3 control technology provides advanced motor protection with adjustable overload settings and available RTD monitoring, eliminating the need for a third-party motor protection relay. A real-time clock with an event recorder (up to 99 events) is also included. It also provides user adjustable motor ramp profiles that can be tailored to the motor load. The soft starter can be programmed using a provided remote mount LCD keypad or Modbus register mapping. RB3 open chassis soft starters are built-to-order. Please allow 2-weeks lead time. Includes Benshaw’s exclusive three-year warranty. Standard Duty: 200HP, 230V / 400HP, 460V / 500HP, 575V