Siemens SIRIUS 3RK1 arrancador de motor 3RK1308-0CE00-0CP0, 0,3-1,25 A, DOL, 3 polos, 200 V AC

In industrial control panels, the Siemens 3RK1308-0CE00-0CP0 motor starter provides direct-on-line starting for three-phase motors up to 0.37 kW. This SIRIUS 3RK1 series base unit integrates thermal overload and short-circuit protection, reducing wiring and component count.

Key specifications

• Adjustable current range: 0.3 - 1.25 A
• Motor power range at 400 V: 0.09 - 0.37 kW
• Control voltage: 200 V AC, 50/60 Hz
• 3-pole, screw terminals, DIN rail 35 mm mounting
• Auxiliary contacts: 1 NO + 1 NC
• Degree of protection: IP20
• Ambient operating temperature: -20 to +60 °C
• Rated insulation voltage: 690 V
• Rated impulse withstand voltage: 6 kV

Why choose it

Integrated protection functions eliminate the need for separate overload relays and fuses, simplifying panel design and installation. The adjustable current range allows precise matching to motor full-load current.

Ideal use cases

• Conveyor systems and small pumps
• Fans and compressors
• Machine tools and packaging equipment

Good to know

The unit mounts on standard 35 mm DIN rail and connects via screw terminals. It is rated IP20 for use in enclosed control cabinets.