Description
The Siemens 3RT2036-1AC20 power contactor is engineered for dependable switching of three-phase motors and power loads in industrial environments. Rated at 51 A under AC-3 duty and capable of controlling motors up to 22 kW at 400 V, this contactor is ideal for use in motor starters, control panels, and automation systems.
Designed as a 3-pole contactor (Size S2), it supports efficient switching of three-phase circuits. The unit operates with a 24 V AC coil (50/60 Hz), making it suitable for control circuits commonly used in industrial installations.
For enhanced functionality, the contactor includes built-in auxiliary contacts (1 NO + 1 NC), enabling status feedback, interlocking, or control logic integration without additional accessories. Screw terminals provide secure electrical connections and simplify installation and maintenance.
Built to Siemens’ industrial standards, the 3RT2036-1AC20 delivers high reliability, long service life, and consistent performance in demanding motor control applications.
Specifications
| Parameter | Specification |
|---|---|
| Manufacturer | Siemens |
| Part Number | 3RT2036-1AC20 |
| Product Type | Power Contactor |
| Utilization Category | AC-3 |
| Rated Operational Current (AC-3) | 51 A |
| Motor Power Rating | 22 kW at 400 V |
| Number of Poles | 3 |
| Coil Voltage | 24 V AC |
| Coil Frequency | 50/60 Hz |
| Auxiliary Contacts | 1 NO + 1 NC |
| Terminal Type | Screw Terminal |
| Size | S2 |
| Packaging Dimensions (L × W × H) | 122.5 × 62 × 142 mm |
| Net Weight | 0.99 kg |
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