🔹 Siemens SIRIUS 3RT2 Power Contactor – 3RT2036-1AL20 (AC-3 Duty, 3-Pole, 230V AC Coil, S2 Size, ~51A Class, 1NO + 1NC Auxiliary)
The Siemens 3RT2036-1AL20 is a heavy-duty SIRIUS 3RT2 series power contactor designed for reliable switching of motors and industrial loads under AC-3 duty applications. It belongs to the S2 frame size category, offering high current capacity and a robust modular construction suitable for industrial control panels and power distribution systems.
This model features a 3-pole configuration with durable screw-type terminals, ensuring secure wiring connections and long-term stability in demanding electrical environments.
It is equipped with a 230V AC coil variant (AL20), making it suitable for standard industrial control circuits used in motor starters, automation panels, and switching applications.
A key feature of this variant is its integrated auxiliary contact configuration (1NO + 1NC), enabling reliable feedback, interlocking, and control signal integration.
Built on the Siemens SIRIUS modular platform, it allows seamless integration with overload relays and accessory modules, supporting flexible and scalable panel design for modern industrial systems.
With strong electrical endurance, high breaking capacity, and stable performance under frequent operations, this contactor ensures reliable and safe operation in industrial environments.
• Genuine Siemens SIRIUS 3RT2 Series Contactor
• Model: 3RT2036-1AL20
• 3-Pole heavy-duty switching design
• AC-3 duty optimized for motor control applications
• 230V AC coil (AL20 variant)
• S2 frame size (~51A class)
• Screw terminal connection for secure wiring
• Integrated auxiliary contacts (1NO + 1NC)
• 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 | 3RT2036-1AL20 |
| Product Type | Power Contactor |
| Frame Size | S2 |
| Poles | 3 Pole |
| Utilization Category | AC-3 / AC-3e |
| Rated Current | ~51 A |
| Power Rating | ~22 kW @ 400V |
| Coil Voltage | 230V AC (AL20) |
| Auxiliary Contacts | 1NO + 1NC |
| Terminal Type | Screw Terminals |
| Mounting Type | Panel / DIN Rail (via accessories) |
| Brand | Siemens |
No reviews yet.