🔹 Siemens SIRIUS 3RT2 Power Contactor – 3RT2027-1AC208K (AC-3 Duty, 3-Pole, 24V AC Coil, S0 Size, 32A Class, 3NO Auxiliary)
The Siemens 3RT2027-1AC208K is a robust SIRIUS 3RT2 series power contactor designed for reliable switching of motors and industrial loads under AC-3 duty applications. It belongs to the S0 frame size category, offering high-performance switching capability in a compact modular design suitable for industrial control panels.
This model features a 3-pole configuration with durable screw-type terminals, ensuring secure and vibration-resistant wiring connections for long-term operational stability in electrical systems.
It is equipped with a 24V AC coil variant (AC208K), making it suitable for standard industrial control circuits where AC control voltage is used for motor switching and automation operations.
A key feature of this variant is its integrated auxiliary contact configuration (3NO), providing reliable feedback and control signal integration in complex electrical and automation systems.
Built on the Siemens SIRIUS modular platform, it allows seamless integration with overload relays and accessory modules, enabling flexible and scalable panel design for modern industrial requirements.
With high electrical endurance, long mechanical life, and stable switching performance, this contactor is designed for continuous industrial operation in demanding environments.
• Genuine Siemens SIRIUS 3RT2 Series Contactor
• Model: 3RT2027-1AC208K
• 3-Pole heavy-duty switching design
• AC-3 duty optimized for motor control applications
• 24V AC coil (AC208K variant)
• S0 frame size (32A class)
• Screw terminal connection for secure wiring
• Integrated auxiliary contacts (3NO)
• Compact modular design for panel integration
• High electrical and mechanical endurance
• Compatible with Siemens overload relays & accessories
• Suitable for industrial automation systems
| Parameter | Specification |
|---|---|
| Product Series | Siemens SIRIUS 3RT2 |
| Model Number | 3RT2027-1AC208K |
| Product Type | Power Contactor |
| Frame Size | S0 |
| Poles | 3 Pole |
| Utilization Category | AC-3 Duty |
| Rated Current | ~32 A |
| Power Rating | ~15 kW @ 400V |
| Coil Voltage | 24V AC (AC208K) |
| Auxiliary Contacts | 3NO |
| Terminal Type | Screw Terminals |
| Mounting Type | Panel / DIN Rail (via accessories) |
| Brand | Siemens |
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