Siemens 3RT1934-5AL21 Magnet Coil for SIRIUS Contactor (Size S2, 230V AC)
Siemens 3RT1934-5AL21 magnet coil for SIRIUS S2 contactors.
The Siemens 3RT1934-5AL21 is a magnet coil designed for Siemens SIRIUS contactors of size S2. It features screw terminals for electrical connection and operates on a 230V AC supply at 50/60 Hz. This coil is used to energize the contactor, causing its main contacts to close. This is a phased-out product, with successors available in the SIRIUS 3RT2 series.
This magnet coil is a critical component for the function of SIRIUS contactors in various industrial applications, including motor control, power switching, and automation systems. It is commonly integrated into control panels for machinery, pumps, and other electrical loads requiring reliable on/off switching.
Stanlo Automation, a veteran-owned surplus parts distributor, offers difficult-to-find and discontinued parts like the Siemens 3RT1934-5AL21 magnet coil. We are committed to providing quality surplus components to facilitate the maintenance and repair of existing industrial automation infrastructure.
| Type | Magnet Coil |
| Manufacturer | Siemens |
| Series | SIRIUS |
| Contactor Size | S2 |
| Termination | Screw terminal |
| Voltage | 230 V AC |
| Frequency | 50/60 Hz |
| Status | Phased-out product |
| Successor | SIRIUS 3RT2 |