ST THE STARTER EVOLUTION
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CD AUTOMATION POWERED BY INNOVATION We are delivering Real Cost Benefits =AVTQMATj$p www.cdautomation.com Soft Starter Catalog 2018 Release n. 1

Soft Starter family STB - STO

Control Types Available Voltage ramp (torque ramp) Soft Starter start from a setted initial voltage, and ramp up to the nominal one in a setted time. In addiction on all family products is possible to start high friction load with kickstart that gives to the motor for 100÷300 msec 80% of full voltage, without current limit. When is started, the motor reach the full speed and remain there, up to when stopped and it can reach zero speed by inerthia or via setted ramp down. As an option is also available the dynamic braking with an external device. RAMP PLUS CURRENT LIMIT Current ramp Soft...

START / STOP Ramp down CONTOL MODE Internal bypass relay up to 200A Communication failure Profinet (option) Devicenet (option) Pump application SOFTWARE APPLICATIONS (1) Protection active before ramp up

Soft Starter Selection • Start from application table on the right Example: Agitator 50A the suggested start current is 4 times FLC (full load current 50A) • Select model from table at the bottom page • Go on column HEAVY (4) and nominal current of your motor must be equal or less than the value (In our example is 55A) • If selected model is STB your soft starter is STB075 • If you want to receive Soft Starter already configured follow the code below: 55A: AC53b 4.0-20: 580 < 1000m Altitude Off time sec Start time sec Start current (multiple FLC) Reference rule FLC full load current *FLC...

SOFT STARTER OF THIS FAMILY ARE DESIGNED TO CONTROL THREE PHASE AC MOTOR FROM 6A TO 200A NOMINAL WITH INTERNAL BYPASS CONTACTOR. Technical Specification • STB family has 3 adjustaments: - Initial start voltage - Start ramp time - Soft stop ramp time • Kickstart 100 to 300 msec can be configured by DIP switch • DIN rail or fixing hole mounting: from 6 to 32A • Fixing hole mounting from 42 to 200A START VOLTAGE RAMP TIME SOFT STOP RAMP TIME

OVERLOAD RELAY CONTROL MODE OPTION & FUSE MAIN SUPPLY VOLTAGE code note

STO Soft Starter SOFT STARTERS OF THIS FAMILY ARE DESIGNED TO CONTROL THREE PHASE AC MOTOR FROM 43A TO 200A NOMINAL WITH INTERNAL BYPASS CONTACTOR. Technical Specification • STO family rotary adjustaments on front unit: - Initial start voltage - Start ramp time - Stop ramp time • Kickstart 100, 200 or 300 msec can be configured by DIP switch • Internal electronic overload relay • Hole mounting from 42 to 200A fixing • Modbus RTU standard • USB device standard • Modbus TCP option • Profibus DP option • Profinet option • Devicenet option MOTOR TRIP CLASS Excess Start Time

DIMENSIONS Wide Note (1) Modbus RTU and USB port standard

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