Product Description

Siemens SIRIUS Power Contactor 12A, 5.5kW, 400V, 3-Pole, 110V AC, Size S0 – 3RT2024-1AG208K

Product Description

The Siemens 3RT2024-1AG208K is a SIRIUS 3RT2 power contactor designed for reliable switching and control of three-phase motors and industrial electrical loads. It is rated 12A for AC-3e/AC-3 applications and suitable for motors up to 5.5 kW at 400V. It features a 110V AC control voltage at 50/60 Hz, 3 main poles, 1 NO + 1 NC auxiliary contacts, screw terminal connections, and a compact S0 size. Siemens' official datasheet confirms these specifications for the 3RT2024-1AG20 configuration.

The 3RT2024-1AG208K is suitable for DOL motor starters, MCC panels, pumps, compressors, conveyors, HVAC equipment, industrial machinery, OEM control panels, and factory automation systems requiring a 110V AC control supply.

Key Features

• Brand: Siemens

• Product family: SIRIUS 3RT

• Model: 3RT2024-1AG208K

• Utilization category: AC-3e/AC-3

• Rated operational current: 12A

• Motor rating: 5.5 kW at 400V

• Main circuit: 3-pole

• Control voltage: 110V AC

• Control frequency: 50/60 Hz

• Auxiliary contacts: 1 NO + 1 NC

• Terminal type: Screw terminal

• Contactor size: S0

• Main-circuit surge withstand: 6 kV

• Auxiliary-circuit surge withstand: 6 kV

• Front protection: IP20

Applications

• Three-phase motor control

• DOL motor starters

• Motor Control Centers (MCC)

• Industrial automation panels

• Pump control systems

• Compressor systems

• Conveyor systems

• HVAC equipment

• Manufacturing machinery

• OEM electrical panels

• Machine automation

• Factory electrical systems

Benefits

• Reliable 12A AC-3e/AC-3 motor switching

• Suitable for motors up to 5.5 kW at 400V

• 110V AC, 50/60 Hz control supply

• 1 NO + 1 NC auxiliary contacts for control and signaling

• Secure screw-terminal connections

• Compact S0 construction

• 6 kV surge withstand capability

• Easy integration into industrial control panels

• Suitable for DOL starter applications

• Reliable Siemens SIRIUS technology

Frequently Asked Questions

Q1. What is Siemens 3RT2024-1AG208K used for?

The 3RT2024-1AG208K is a Siemens SIRIUS power contactor used for switching and controlling three-phase motors and industrial electrical loads.

Q2. What is the rated current?

The contactor has an AC-3e/AC-3 rated current of 12A.

Q3. What motor power can it handle?

It is suitable for motors up to 5.5 kW at 400V.

Q4. What is the control voltage?

The contactor operates with a 110V AC control voltage at 50/60 Hz.

Q5. How many auxiliary contacts are provided?

It provides 1 NO + 1 NC auxiliary contacts for control, feedback, signaling, and electrical interlocking.

Q6. What type of terminals does it use?

The 3RT2024-1AG208K uses screw terminal connections.

Q7. What is the contactor size?

The contactor is Size S0.

Q8. What is the surge withstand capability?

The rated surge withstand is 6 kV for both the main and auxiliary circuits.

Q9. Can it be used in a DOL starter?

Yes. It can be used as the main contactor in a DOL motor starter when paired with a suitably selected motor-protection device.

Q10. What are the main specifications of 3RT2024-1AG208K?

The main specifications are 12A AC-3e/AC-3, 5.5 kW at 400V, 3-pole, 110V AC 50/60 Hz control, 1 NO + 1 NC auxiliary contacts, screw terminals, and S0 size.