Circuit Protection

   - E-T-A Circuit Breakers
   - Automotive Circuit      Breaker
   - SSR (Solid State
   - Battery Isolation

Test Systems

   - Dynalab (USA)
Fixtures and Jigs
   - Korean Brand


   - Korean/USA Brand

   - DSE


  - Test Instrument




애질런트 E6651A 모바일 WiMAX 테스트 세트

2006Lincoln LS









Circuit Protection and   Control





* Circuit Breakers & SSR (Solid State Relay) and
   Battery Isolation Switches.
 (Brand: E-T-A, Made in Germany):

- The most advanced Circuit Protection Devices
   for Automotive (Transportation), Nuclear Power Plant, Defense
   and Heavy Duty Machinery Industries and other fields.

   - Thermal, Thermal-Magnetic Circuit breakers
   - Hydraulic-Magnetic and Magnetic Circuit breakers
   - High Performance Circuit Breakers
   - Electronic Circuit Breakers 
   - Solid State Relay and Power Relay
   - Battery Isolation Switches



NX Test Systems

NX Pro+

NX Hipot+

NX View





    NX Testers are fast, accurate, and easy to use.  
Dynalab designed NX Testers using the latest available technology to provide a flexible and adaptable product line that meets the changing needs of wire harness manufacturers.
For test applications that span the range from simple to complex, Dynalab's NX Testers offer the most features for the least cost.
 Dynalab Testers are used by the world's largest Automotive and Electronics wire harness manufacturers.
With over 30 years of industry-leading experience and with more than 50,000 testers sold, Dynalab have firmly established a reputation of excellence in quality, capability and service.

Main Features and Characteristics:

- NX Solo (256 TPs), NX Pro (512 TPs) and
   NX Pro+ (up to 32,000 TPs).


 - Low Voltage Circuit Testers
 - High Voltage (Hipot) Circuit Testers : NX Hipot. 

 - Resistance Measurement for testing Continuity/Short Circuits and actual resistors.
 - Flexible for testing Components and Accessories.
 - Workflow Process Function on NX Editor for test programming.
 - Spreadsheet Data Importing for multiple application options.

Specific Features:

- Capability of Thermistor Testing.
 - 4-Wire (Kelvin) Mode :(Testing low valued resistance..
 - NX View (Visual Graphical Information for Errors on PC monitor).

New Feature/Product:

- Pull System (Pre-Blocking System)
   with LED Guide Assembly Solution
   * Together with SUB Assy Fixture
   * TIN (Terminal Inserting Navigation) Process with LEDs. 

Fixtures & Jigs


    ST and our Korean maker provide a world class Check Fixtures and Assembly Jigs for Automotive wire harness manufacturers, which are proven with a leading technology and high quality.

  - Check Fixtures (Holders). 



Korean Brand

- Single point joint taping machine.
 - Center stripping machine.
 - HST (Heat Shrinking Tube) process machine.
 - Etc..


Ultrasonic Welding Machine
 - Ultrasonic Metal Welding Machine.
 - Ultrasonic Metal Wire Splicing Welding Machine.
 - Ultrasonic Battery Pack, Tubing and Seam Welders.

Air-Leak Tester (for Water-proof Connector):

- Air-Leak Tester (Max: 80 Air-ports).

Harness CAD Systems & Software Application

H-CAD MDS Program

  - It is an Automatic Wire Harness MFG Process Design Software Tool through systematic conversion from Car maker's original drawing/specification to manufacturer's workable drawing list.

DNS (Design And Simulation) Program

 - It is an innovative system in Automotive wiring harness industry, which is capable of minimizing the development time by analyzing the electrical performance in advance during the design phases through automation of wiring design and simulation.

 - It is capable of supporting the product development and manufacturing by focusing on low cost and high quality through the qualified drawing.

Engineering Service


* Test Instrument Parts and Modules:

- Sub-Assembly Parts based on Customer(Keysight - Agilent)'s needs.
 - LCD Panel and Controller.



Copyright (C) 2011   ST Systems Co.   All rights reserved
Address:: #201, Dongmoon Tower 1, 1323, Baekseok-Dong, Ilsandong-Gu, Goyang-Si, Gyunggi-Do, 410-817, Republic of Korea
TEL: 82-31-906-7806    FAX: 82-31-601-3021    Email:  
Mobile: 82-10-5443-9806 (David)