xrjtina@gmail.com
Home > Products > GE

GE ASTAT-XT-QT20031U11MS solid-state soft starter

The GE ASTAT XT QT20031U11MS is a reliable 31A digital soft starter designed for controlling medium-size three-phase motors in industrial applications.

Get Instant Quote
Product Details

First hand source, affordable price. Spot inventory!

•Shipping Port: Xiamen

•Manager: Rhonda

•E-mail: xrjtina@gmail.com 

•Tel: + 86-15359273796（WhatsApp）

•Ship to you via Fedex/DHL/TNT/UPS/EMS

•Package: Original packing with cartons


GE ASTAT-XT-QT20031U11MS

 

Manufacturer: GE (General Electric)
Series: ASTAT XT Soft Starter
Model: QT20031U11MS
Product Type: Digital Solid-State Soft Starter for 3-phase AC motors

1. Product Introduction

The GE ASTAT XT QT20031U11MS is a microprocessor-controlled solid-state soft starter designed for smooth starting and stopping of three-phase induction motors. It reduces motor inrush current, mechanical stress, and electrical impact during motor startup by controlling the applied voltage through thyristor-based technology.

The ASTAT XT series provides advanced motor control functions, including soft start, soft stop, adjustable acceleration/deceleration ramps, motor protection, and operational monitoring.

2. Technical Specifications

Parameter Specification
Manufacturer GE
Series ASTAT XT
Model QT20031U11MS
Type Digital Soft Starter
Rated Voltage Range 460–600 VAC
Phases 3-phase AC
Rated Current 31 A
Motor Type 3-phase induction motors
Control Technology Microprocessor-controlled thyristor control
Control Voltage 110 VAC
Digital Inputs 90–230 VAC
Communication Standard (M option)
Certification UL version
   

3. Product Code Explanation

QT 2 0031 U 1 1 M S

  • QT – ASTAT XT soft starter series
  • 2 – Main voltage class: 460–600 VAC
  • 0031 – Rated current: 31 A
  • U – UL certified version
  • 1 – Control voltage: 110 VAC
  • 1 – Digital input voltage: 90–230 VAC
  • M – Standard communication configuration
  • S – Standard version

4. Main Features

  • Smooth motor acceleration and deceleration
  • Reduced starting current and voltage stress
  • Adjustable start/stop ramp parameters
  • Current limit function
  • Motor overload protection
  • Phase loss and fault protection
  • LCD keypad interface for setup and diagnostics
  • Suitable for demanding industrial environments

5. Typical Applications

GE ASTAT XT QT20031U11MS is widely used in:

  • Pumps
  • Fans and blowers
  • Compressors
  • Conveyors
  • HVAC systems
  • Industrial machinery
  • Water treatment equipment
  • Process automation systems

It is suitable for applications requiring reliable motor starting with reduced mechanical shock and improved equipment lifespan.

6. Replacement / Maintenance Notes

The QT20031U11MS is part of the GE ASTAT XT soft starter family. When replacing an existing unit, verify:

  • Motor rated current compatibility
  • Supply voltage (460–600 VAC)
  • Control voltage configuration
  • Input signal voltage
  • Communication requirements

Equivalent replacements should match both electrical ratings and control configuration.

Conclusion

The GE ASTAT XT QT20031U11MS is a reliable 31A digital soft starter designed for controlling medium-size three-phase motors in industrial applications. With microprocessor-based control, integrated protection functions, and adjustable starting characteristics, it provides improved motor performance, reduced electrical stress, and longer equipment service life.

You Like It