Siemens 3RT2035-1KB44-3MA0 Power Contactor β 41A, 18.5kW, 24V DC, 2NO+2NC
Siemens 3RT2035-1KB44-3MA0 3-pole power contactor with 2NO+2NC aux.
The Siemens 3RT2035-1KB44-3MA0 is a 3-pole power contactor designed for AC-3e/AC-3 applications, rated for 41A and 18.5 kW at 400V. It operates with a 24V DC coil (0.8-1.2* Uc) and includes an integrated varistor for surge protection. This model is distinguished by its 2 normally open (NO) and 2 normally closed (NC) auxiliary contacts, and features a captive auxiliary switch. It uses screw terminals for the main circuit and has a frame size of S2. This contactor is also suitable for PLC outputs.
This contactor is widely used in industrial settings for switching loads such as motors, lighting, and heating elements. The increased number of auxiliary contacts (2 NO + 2 NC) provides greater flexibility for control logic and signaling in complex automation systems, common in manufacturing, material handling, and building automation.
Stanlo Automation, a veteran-owned surplus parts distributor, provides the Siemens 3RT2035-1KB44-3MA0 with guaranteed quality. We offer reliable and cost-effective solutions for your industrial automation needs, ensuring that even surplus components perform to the highest standards. Source your components from Stanlo Automation for dependable performance and value.
| Type | Power Contactor |
| Manufacturer | Siemens |
| Part Number | 3RT2035-1KB44-3MA0 |
| AC-3e/AC-3 Rating | 41A |
| Power Rating | 18.5 kW / 400 V |
| Poles | 3 |
| Coil Voltage | 24 V DC |
| Auxiliary Contacts | 2 NO + 2 NC |
| Terminal Type | Screw |
| Frame Size | S2 |
| Protection | Integrated Varistor |
| Auxiliary Switch | Captive |