Eaton Cutler-Hammer manufactures the S811N37N3S soft starter as part of the S811 series of open soft starters. It runs on 200 to 600 Volts AC of operating voltage, with 37 Amps of current and an operating frequency of 47 to 63 Hertz. This starter has a frame size measuring 65 millimeters and it comes with standard control features. The starter has a Horsepower rating of 10 Horsepower and NEMA 1 enclosure type. These soft starters feature a communication port with Ethernet IP, Modbus, Profibus, as well as DeviceNet compatibility. This soft starter also comes with an electronic motor overload protection feature to provide protection to the power and motor wiring against the overheating which results from the excessive current for a long time.

The S811 series soft starters like the S811N37N3S soft starter by Eaton provide all the same essential features as the S801 soft starters but it has additional functionalities such as the Digital Interface Module (DIM) along with the communications features. The S811N37N3S soft starter comes with Intelligent Technologies (IT). The S811 series reduced voltage soft starters are compact, easy to install and program, and they are multi-functional. These starters are specially designed to provide control for the deceleration and acceleration of the 3-phase motors rated at up to 690 Volts AC. These soft starters come with a current range of 11 to 1000 Amps. The S811N37N3S soft starter also comes with 2 starting mode options for the current limit start and voltage ramp start. It also has diagnostic capabilities comprising a fault queue, breaker status, and control status. The starter features a remarkable collection of system monitoring and protective features.