Siemens 3RT1934-5AC21 Magnet Coil for SIRIUS Contactor (Size S2, 24V AC)
Siemens 3RT1934-5AC21 magnet coil for SIRIUS S2 contactors.
The Siemens 3RT1934-5AC21 is a magnet coil designed for Siemens SIRIUS contactors of size S2. It features screw terminals for connection and operates on a 24V AC supply at 50/60 Hz. This coil is used to energize the contactor to close its main contacts. This is a phased-out product, with successors available in the SIRIUS 3RT2 series.
This magnet coil is essential for the operation of SIRIUS contactors in various industrial control applications, including motor starting, load switching, and power distribution. It is commonly found in control panels for machinery, pumps, fans, and other electrical loads requiring reliable switching.
Stanlo Automation, a veteran-owned surplus parts distributor, specializes in providing access to discontinued and hard-to-find components like the Siemens 3RT1934-5AC21 magnet coil. We ensure these parts meet quality standards, enabling efficient repair and maintenance of existing automation systems.
| Type | Magnet Coil |
| Manufacturer | Siemens |
| Series | SIRIUS |
| Contactor Size | S2 |
| Termination | Screw terminal |
| Voltage | 24 V AC |
| Frequency | 50/60 Hz |
| Status | Phased-out product |
| Successor | SIRIUS 3RT2 |