Product Description

Siemens SIRIUS Power Contactor 9A, 4kW, 400V, 3-Pole, 230V AC, Size S0 – 3RT2023-1AP00

Product Description

The Siemens 3RT2023-1AP00 is a SIRIUS 3RT2 power contactor designed for reliable switching and control of three-phase motors and industrial electrical loads. It is rated 9A for AC-3e/AC-3 applications and is suitable for motors up to 4kW at 400V. The contactor features a 230V AC control voltage at 50Hz, 3 main poles, 1 NO + 1 NC auxiliary contacts, screw terminal connections, and a compact S0 size. Siemens officially lists this model as an active product.

The 3RT2023-1AP00 is suitable for DOL motor starters, pump systems, compressors, conveyors, HVAC equipment, industrial machinery, OEM control panels, and factory automation applications requiring a 230V AC control supply.

Key Features

• Brand: Siemens

• Product Family: SIRIUS 3RT

• Model: 3RT2023-1AP00

• Utilization Category: AC-3e/AC-3

• Rated Operational Current: 9A

• Motor Rating: 4kW at 400V

• Main Circuit: 3-pole

• Control Voltage: 230V AC

• Control Frequency: 50Hz

• Auxiliary Contacts: 1 NO + 1 NC

• Terminal Type: Screw terminal

• Contactor Size: S0

• Rated Insulation Voltage: 690V

• Surge Withstand Voltage: 6kV

• Typical Mechanical Service Life: 10 million operating cycles

• Operating Temperature: -25°C to +60°C

Applications

• Three-phase motor control

• DOL motor starters

• Motor Control Centers (MCC)

• Pump control systems

• Compressor systems

• Conveyor systems

• HVAC equipment

• Industrial automation panels

• Manufacturing machinery

• OEM control panels

• Factory automation

Benefits

• Reliable 9A AC-3e/AC-3 motor switching

• Suitable for motors up to 4kW at 400V

• 230V AC, 50Hz control supply

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

• Secure screw-terminal connections

• Compact S0 construction

• 690V rated insulation voltage

• 6kV surge withstand capability

• Long mechanical service life

• Easy integration into industrial control panels

• Suitable for DOL starter applications

• Reliable Siemens SIRIUS technology

Frequently Asked Questions

Q1. What is Siemens 3RT2023-1AP00 used for?

The 3RT2023-1AP00 is used for switching and controlling three-phase motors and industrial electrical loads in motor-control and automation systems.

Q2. What is the rated current?

The contactor has an AC-3e/AC-3 rated current of 9A.

Q3. What motor power can it handle?

It is suitable for motors up to 4kW at 400V.

Q4. What is the control voltage?

The contactor operates with a 230V AC control voltage at 50Hz.

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 contactor uses screw terminal connections.

Q7. What is the contactor size?

The 3RT2023-1AP00 is a Size S0 contactor.

Q8. Is it suitable for a 7.5kW motor?

No. The 3RT2023-1AP00 is rated 4kW at 400V. A higher-rated Siemens SIRIUS contactor should be selected for a 7.5kW motor.

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 an appropriately selected motor-protection device.

Q10. What are the main specifications?

The main specifications are 9A AC-3e/AC-3, 4kW at 400V, 3-pole, 230V AC 50Hz coil, 1 NO + 1 NC auxiliary contacts, screw terminals, and S0 size.