Siemens 3RT2036-1KB40 51A Power Contactor — 22kW @ 400V, 24V DC Coil
Siemens 3RT2036-1KB40 Power Contactor
The Siemens 3RT2036-1KB40 is a high-performance 3-pole power contactor for AC-3e/AC-3 rated loads, capable of switching 51A and 22kW at 400V. This S2 size contactor features a 24V DC coil, making it ideal for direct interface with PLC outputs. It includes integrated varistor for surge suppression, 1 normally open (NO) and 1 normally closed (NC) auxiliary contact, and screw terminals for secure wiring. The operating range for the coil is 0.8-1.2 times the rated control circuit voltage (Uc).
This contactor is widely employed in automation systems, particularly where PLC control is utilized. Applications include motor control centers, pump stations, and conveyor systems in manufacturing, packaging, and process industries. Its suitability for PLC outputs ensures reliable switching in automated processes.
Stanlo Automation, a veteran-owned distributor of surplus industrial automation parts, offers the Siemens 3RT2036-1KB40. We provide cost-effective solutions with the quality and reliability you expect to keep your systems operational.
| Type | Power Contactor |
| Manufacturer | Siemens |
| Part Number | 3RT2036-1KB40 |
| AC-3e/AC-3 Rating | 51 A |
| Power @ 400V | 22 kW |
| Poles | 3 |
| Coil Voltage | 24 V DC |
| Control Voltage Range | 0.8-1.2 Uc |
| Auxiliary Contacts | 1 NO + 1 NC |
| Terminal Type | Screw |
| Size | S2 |
| Features | Integrated varistor, Suitable for PLC outputs |