The Siemens 3RT2036-1AK60 SIRIUS power contactor is a high-performance industrial switching device engineered for reliable control of three-phase motors and heavy electrical loads in industrial automation applications. Designed in Siemens S2 frame size, the contactor features a 3-pole configuration with integrated 1NO + 1NC auxiliary contacts for flexible control and signaling functionality. It operates with a 110V AC 50Hz / 120V AC 60Hz coil and provides dependable switching performance for motors up to 22 kW at 400V. The contactor supports DIN rail and panel mounting with screw terminal connections for easy installation and maintenance. Commonly used in motor starters, pumps, compressors, conveyors, HVAC systems, and machinery control panels, the 3RT2036-1AK60 delivers long mechanical life, reliable electrical performance, and compatibility with Siemens overload relays and auxiliary accessories.
Product Specifications
| Specification | Details |
| Brand | Siemens |
| Model | 3RT2036-1AK60 |
| Product Series | SIRIUS 3RT2 |
| Product Type | Power Contactor |
| Contactor Type | 3 Pole Contactor |
| Rated Operational Current (AC-3) | 50 A |
| Rated Operational Current (AC-1) | 70 A |
| Rated Motor Power | 22 kW at 400V |
| Coil Voltage | 110V AC 50Hz / 120V AC 60Hz |
| Main Contacts | 3 NO |
| Auxiliary Contacts | 1 NO + 1 NC |
| Mounting Type | DIN Rail / Panel Mount |
| Terminal Type | Screw Terminal |
| Frame Size | S2 |
| Rated Insulation Voltage | 690V |
| Frequency | 50/60 Hz |
| Mechanical Life | Approx. 10 Million Operations |
| Protection Rating | IP20 |
| Operating Temperature | -25°C to +60°C |
| Applications | Motor Control & Industrial Automation |
| Suitable For | Pumps, Compressors, Conveyors, HVAC |
| Country of Brand Origin | Germany |
