Home β€Ί Manufacturers β€Ί Siemens β€Ί 3RT1945-5AG21
Siemens

Siemens 3RT1945-5AG21 SIRIUS S3 Magnet Coil - 110V AC

Siemens 3RT1945-5AG21 SIRIUS S3 magnet coil for contactors.

● In Stock 12-Mo Warranty Same-Day Dispatch Ships Worldwide πŸŽ– Veteran-Owned
In Stock β€” Ready to Ship
ManufacturerSiemens
Part number3RT1945-5AG21
Type Magnet Coil
Series SIRIUS
Contactor Size S3
Terminal Type Screw Terminal
Get a price for 3RT1945-5AG21
Response within 1 business hour

All orders subject to availability

πŸ›‘
12-month warranty
All units tested
⚑
Same-day dispatch
Order by 2pm CST
🌐
Worldwide delivery
US, EU, Asia, Middle East
πŸŽ–
Veteran-owned
CAGE: 9NK75
Designed for SIRIUS contactors Size S3 compatibility 110V AC operation Screw terminal connections Reliable electromagnetic actuation

The Siemens 3RT1945-5AG21 is a magnet coil designed for SIRIUS contactors, specifically for frame size S3. It operates with a voltage of 110V AC at 50/60 Hz and features convenient screw terminals for connection. This part is crucial for the electromagnetic operation of the contactor, enabling it to switch higher power circuits.

This magnet coil is suitable for various industrial applications where reliable power control is essential, such as motor control, lighting systems, and general power distribution. It finds use in manufacturing plants, building automation, and any environment requiring robust electrical switching components.

As a veteran-owned surplus parts distributor, Stanlo Automation provides access to hard-to-find and phased-out components like the Siemens 3RT1945-5AG21. We ensure quality and availability for your industrial automation needs.

TypeMagnet Coil
SeriesSIRIUS
Contactor SizeS3
Terminal TypeScrew Terminal
Voltage110 V AC
Frequency50/60 Hz
Motor control
Power distribution
Industrial automation
Control panels
Lighting systems
SIRIUS 3RT contactors, Size S3
Siemens 3RT1945-5AG21 coil SIRIUS S3 magnet coil 110V AC coil for 3RT contactors
This is a magnet coil accessory for Siemens SIRIUS 3RT contactors. Its successor is the SIRIUS 3RT2 series.
Expert tip
This phased-out magnet coil is for SIRIUS S3 contactors and has been succeeded by the 3RT2 series.
1
Email confirmation
Immediate receipt acknowledgment sent to you
2
Account manager assigned
Confirms your part's spec and condition
3
Your quote delivered
Tailored to your specific requirements
What voltage does the Siemens 3RT1945-5AG21 magnet coil use?
The Siemens 3RT1945-5AG21 magnet coil is designed to operate with a voltage of 110V AC. It is compatible with both 50 Hz and 60 Hz power frequencies.