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Motor Control & Protection
Siemens 3RU2126-4PB1 3RU2 30...36A 3P 690V Thermal Overload Relay
Siemens 3RU2126-4PB0 3RU2 30...36A 3P 690V Thermal Overload Relay
Siemens 3RU2126-4NC0 3RU2 23...28A 3P 690V Thermal Overload Relay
Siemens 3RU2126-4NB1 3RU2 23...28A 3P 690V Thermal Overload Relay
Siemens 3RU2126-4NB0 3RU2 23...28A 3P 690V Thermal Overload Relay
Siemens 3RU2126-4FB1 3RU2 34...40A 3P 690V Thermal Overload Relay
Siemens 3RU2126-4FB0 3RU2 34...40A 3P 690V Thermal Overload Relay
Siemens 3RU2126-4EC0 3RU2 27...32A 3P 690V Thermal Overload Relay
Siemens 3RU2126-4EB1 3RU2 27...32A 3P 690V Thermal Overload Relay
Siemens 3RU2126-4EB0 3RU2 27...32A 3P 690V Thermal Overload Relay
Siemens 3RU2126-4DC0 3RU2 20...25A 3P 690V Thermal Overload Relay
Siemens 3RU2126-4DB1 3RU2 20...25A 3P 690V Thermal Overload Relay
Siemens 3RU2126-4DB0 3RU2 20...25A 3P 690V Thermal Overload Relay
Siemens 3RU2126-4CC0 3RU2 17...22A 3P 690V Thermal Overload Relay
Siemens 3RU2126-4CB1 3RU2 17...22A 3P 690V Thermal Overload Relay
Siemens 3RU2126-4CB0 3RU2 17...22A 3P 690V Thermal Overload Relay
Siemens 3RU2126-4BC0 3RU2 14...20A 3P 690V Thermal Overload Relay
Siemens 3RU2126-4BB1 3RU2 14...20A 3P 690V Thermal Overload Relay
Siemens 3RU2126-4BB0 3RU2 14...20A 3P 690V Thermal Overload Relay
Siemens 3RU2126-4AC0 3RU2 11...16A 3P 690V Thermal Overload Relay
Motor control and protection equipment from ABB, Siemens and Schneider Electric covers everything between the supply and the motor shaft. The range spans contactors, overload relays, motor protection circuit breakers, starters, soft starters, variable frequency drives, servo systems and industrial motors, with rated currents from 0.1 A to 2,650 A and power up to 800 kW. Stoklink ships worldwide from Turkey and quotes project volumes on request.
What's in this range
- Contactors – switching devices for motor and load circuits, mostly 3-pole
- Thermal Overload Relays – bimetal and electronic relays for motor overload protection
- Motor Protection Circuit Breakers (MPCB) – short-circuit and overload protection in one device
- Motor Starters & Motor Management – starter combinations and motor controllers such as TeSys U and SIRIUS 3RK
- Soft Starters – controlled ramp-up for 3-phase motors
- Variable Frequency Drives (VFD) – speed control with ABB ACS, Schneider Altivar and Siemens SINAMICS
- Servo Drives & Motion Control – servo motors, drives, controllers and cables
- Industrial Motors – SIMOTICS asynchronous motors
How to choose
- Motor power and rated current at the supply voltage. Size the starter or drive for the nameplate current, not just the kW value.
- Starting method: direct on line, soft start or variable speed. This decides whether you need a contactor, a soft starter or a VFD.
- Duty class, for example AC-3 for squirrel-cage motors under IEC 60947-4-1.
- Protection split: overload relay plus fuses or MCB, or a single MPCB.
- Control interface: coil voltage, fieldbus such as PROFINET, and mounting.
FAQ
What is the difference between a soft starter and a VFD?
A soft starter limits inrush current during start and stop at fixed supply frequency. A VFD changes the output frequency, so it also controls speed while running.
Do I need a contactor and an overload relay, or an MPCB?
An MPCB combines short-circuit and overload protection and works with a contactor. The separate route uses a fuse or MCB, a contactor and an overload relay. Choose by space, coordination type and rating.
Can you ship motor control products outside Turkey?
Stoklink ships worldwide from Turkey on EXW terms. Lead time depends on distributor stock, and project quantities are quoted on request.