DTSL series of high-current test sets is designed to do Action test or Temperature-Rise test of many types of switch, CB, Current Relay, etc. and to calibrate high-current meter, CT, etc.  

Features
1.  Single/Three phase current output.
2.  Program-controlled high-current regulating.
3.  Auto/Manual operation mode.
4.  Current, Time presetting.
5.  Four windows display three phase Current and Time.
6.  Auto/triggered timing mode.
7.  Auto step-by-step Regulating when near Goal Current.
8.  Auto Timing at Goal Current for Temperature-Rise test.
9.  Triggered timing for Switch Action or Delay test.
10.  Test data can be Printed, Auto/Manual Print mode.
11. Overheat and Fault protection.
12.  Optional RS-232/485 port to Computer.