🔹 Siemens SIRIUS 3RT2 Power Contactor – 3RT2038-1AG208K (AC-3 Duty, 3-Pole, 110V AC Coil, S3 Size, ~80A Class, 1NO + 1NC Auxiliary)
The Siemens 3RT2038-1AG208K is a heavy-duty SIRIUS 3RT2 series power contactor designed for reliable switching of motors and industrial loads under AC-3 / AC-3e duty applications. It belongs to the S3 frame size category, offering high current handling capability and dependable performance for demanding industrial motor control and power distribution systems.
This model features a 3-pole configuration with robust screw-type terminals, ensuring secure wiring connections and long-term operational reliability in industrial environments.
It is equipped with a 110V AC coil (AG208K variant), making it suitable for conventional industrial control circuits, motor starters, and automation systems requiring AC control voltage.
A key feature of this variant is its integrated auxiliary contact configuration (1NO + 1NC), enabling efficient feedback, interlocking, monitoring, and control signal integration.
Built on the Siemens SIRIUS modular platform, it supports seamless integration with overload relays and accessories, allowing flexible and scalable panel design.
With high electrical endurance, strong switching performance, and reliable operation under frequent switching cycles, this contactor is ideal for heavy-duty industrial applications.
• Genuine Siemens SIRIUS 3RT2 Series Contactor
• Model: 3RT2038-1AG208K
• 3-Pole heavy-duty switching design
• AC-3 / AC-3e duty optimized for motor control applications
• 110V AC coil (AG208K variant)
• S3 frame size (~80A class)
• Screw terminal connection for secure wiring
• Integrated auxiliary contacts (1NO + 1NC)
• High electrical and mechanical endurance
• Compatible with Siemens overload relays & accessories
• Suitable for industrial automation and motor control systems
• Modular and scalable panel design
| Parameter | Specification |
|---|---|
| Product Series | Siemens SIRIUS 3RT2 |
| Model Number | 3RT2038-1AG208K |
| Product Type | Power Contactor |
| Frame Size | S3 |
| Poles | 3 Pole |
| Utilization Category | AC-3 / AC-3e |
| Rated Current | ~80 A |
| Power Rating | ~37 kW @ 400V |
| Coil Voltage | 110V AC (AG208K) |
| Auxiliary Contacts | 1NO + 1NC |
| Terminal Type | Screw Terminals |
| Mounting Type | Panel Mount |
| Brand | Siemens |
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