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Digital soft starter / two-phase controlled
8 - 80 A | STB CD Automation UK Ltd

2 Phase (controlled), 3 wire connection, 8A to 80A range


Our entry level Soft starter, the STB is a compact low cost unit, available in 3 In, 3.5 In, 4 In and 4.5 In formats and 28 Amp sizes from 8A to 80A.

Two leg control of 3 wire connection
Unit size from 8 Amps to 80 Amps
Soft Start and Soft Stop features are fully adjustable via the front panel
Voltage Start value fully adjustable via the front panel
Internal Bypass Relay rated up to 44A. Over this value a relay contact can energise an external Bypass contactor
Current Limit adjustable via the front panel
Isolated Stop Start Command
Option to work in continous mode using thyristors only (dis-engage Bypass contactor)

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