Product Description

Siemens SIRIUS Power Contactor 17A, 7.5kW, 400V, 3-Pole, 110V AC, Size S0 – 3RT2025-1AF00

Product Description

The Siemens 3RT2025-1AF00 is a SIRIUS 3RT power contactor designed for switching and controlling three-phase motors and industrial electrical loads. It has an AC-3e/AC-3 rating of 17A and is suitable for motors up to 7.5 kW at 400V. The contactor features a 110V AC control voltage at 50 Hz, 3 main poles, 1 NO + 1 NC auxiliary contacts, screw terminals, and a compact S0 size. Siemens lists this exact model as an active product (PM300).

The 3RT2025-1AF00 is suitable for DOL motor starters, MCC panels, pump and compressor systems, conveyor systems, HVAC equipment, industrial machinery, OEM control panels, and automation applications requiring a 110V AC control circuit.

Key Features

• Brand: Siemens

• Product family: SIRIUS 3RT

• Model: 3RT2025-1AF00

• Utilization category: AC-3e/AC-3

• Rated operational current: 17A at 400V

• Motor rating: 7.5 kW at 400V

• Main contacts: 3-pole

• Control voltage: 110V AC

• Control frequency: 50 Hz

• Auxiliary contacts: 1 NO + 1 NC

• Main circuit connection: Screw terminal

• Contactor size: S0

• Rated insulation voltage: 690V

• Surge withstand voltage: 6kV

• Front protection: IP20

• Net weight: approximately 0.410 kg

• Product lifecycle: PM300 – Active Product

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 control panels

• Machine automation

• Factory electrical systems

Benefits

• Reliable 17A AC-3e/AC-3 motor switching

• Suitable for motors up to 7.5kW at 400V

• 110V AC, 50Hz control supply

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

• Secure screw-terminal connections

• Compact S0 construction

• High 690V insulation voltage

• 6kV surge withstand capability

• Suitable for DOL motor starter assemblies

• Reliable Siemens SIRIUS technology

• Easy integration into industrial control panels

Frequently Asked Questions

Q1. What is Siemens 3RT2025-1AF00 used for?

The 3RT2025-1AF00 is a Siemens SIRIUS power contactor used for switching and controlling three-phase motors and industrial electrical loads. It is rated at 17A AC-3e/AC-3 and supports motors up to 7.5kW at 400V.

Q2. What is the rated current of 3RT2025-1AF00?

The contactor has a rated operational current of 17A at 400V in AC-3 applications.

Q3. What motor power can it handle?

It is suitable for motors up to 7.5kW at 400V.

Q4. What is the control voltage?

The contactor uses a 110V AC control voltage at 50Hz. The Siemens datasheet specifies a control-voltage operating range of 0.8 to 1.1 × rated voltage at 50Hz.

Q5. How many auxiliary contacts are provided?

The 3RT2025-1AF00 has 1 NO + 1 NC auxiliary contacts, suitable for control, feedback, signaling, and interlocking circuits.

Q6. What type of terminals does it use?

It uses screw-terminal connections for the main circuit.

Q7. What is the contactor size?

The contactor is Size S0.

Q8. What is the insulation voltage?

The rated insulation voltage is 690V, with a 6kV surge withstand voltage.

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 rated motor-protection device.

Q10. Is Siemens 3RT2025-1AF00 an active product?

Yes. Siemens Industry Mall identifies 3RT2025-1AF00 as PM300: Active Product.