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Digital soft starter / two-phase controlled
14 - 165 A | STM CD Automation UK Ltd

2 Phase (controlled), 3 wire connection, 14A to 165A range


The STM is a cost effective solution to drive three phase squirrel cage induction motors and is available in 3 In, 3.5 In, 4 In and 4.5 In formats and 18 Amp sizes from 14A to 165A.

Two leg control of 3 wire connection
Unit size from 14 Amps to 165 Amps
Soft Start and Soft Stop features are fully adjustable via the front panel
Voltage Start value fully adjustable via the front panel
Software to eliminate motor speed oscillations
Electronic Overload Relay for Normal or Heavy Start
Internal Bypass Relay rated up to 100A. Over this value a relay contact can energise an external Bypass contactor
Current Limit adjustable via the front panel
Option to work in continous mode using thyristors only (dis-engage Bypass contactor)

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