Siemens 3RT2028-1BB44 38A Power Contactor — 18.5kW @ 400V, 24V DC Coil
Siemens 3RT2028-1BB44 Power Contactor
The Siemens 3RT2028-1BB44 is a 3-pole power contactor designed for AC-3e/AC-3 applications, handling up to 38A and 30kW at 400V. This S0 size contactor features a 24V DC coil, integrated auxiliary contacts (2 NO + 2 NC), and screw terminals for easy installation. It also includes a removable auxiliary switch, offering flexibility for various control configurations.
This power contactor is widely used in motor control, power distribution, and automation systems across industries such as manufacturing, material handling, and building automation. Its robust design ensures reliable operation in demanding environments, making it suitable for controlling motors, lighting, and heating circuits.
Source your Siemens 3RT2028-1BB44 and other industrial automation components from Stanlo Automation, a veteran-owned distributor. We offer competitive pricing, expert support, and a commitment to quality, ensuring you get the surplus parts you need to keep your operations running smoothly.
| Type | Power Contactor |
| Manufacturer | Siemens |
| Part Number | 3RT2028-1BB44 |
| AC-3e/AC-3 Rating | 38 A |
| Power @ 400V | 18.5 kW |
| Poles | 3 |
| Coil Voltage | 24 V DC |
| Auxiliary Contacts | 2 NO + 2 NC |
| Terminal Type | Screw |
| Size | S0 |
| Features | Removable auxiliary switch |