WSTRD Series Intelligence Motor Soft Starter

WSTRD series Motor Soft tarter is a new generation of internal bypass and Multi-functional intelligent Soft Starter,independently researched and developed by the Winston Engineers Group. Integrated the Bypass AC Contactor and the Thermal Relay in one, WSTRD series Motor Soft Starter greatly reduces the cost of manufacturing and the size of Volume. Meanwhile, WSTRD series and WSTR series support the Remote Communication Protocol, whose LCD can show Chinese! English by selection; further optimizing the internal structure and functions,providing high anti-interference, a various of protection functions and control models.

Builtin bypass Motor Soft Starter hereafter referred to as WSTRD3000

Complete protection function

Soft start overheat protection
Input phase protection
Output phase protection
Three-phase unbalance protection
Start over current protection.
Run overload protection
Low voltage protection
Over voltage protection
Load short circuit protection

Multiple start and stop modes

current limit start
Voltage ramp start
Jump mode start
Current ramp start
Voltage limited current double closed loopstart
Soft stop
Free stop

Various control support

Programmable relay output
Programmable fault relay output
4 ~ 20mA DC analog output
Rs485 communication input / output

Optional accessories table

Control terminal connection diagram

WSTR3000 series Rated Power Table

WSTRD3000 series Rated Power Table