3RT2045-1AP04
power contactor, AC-3e/AC-3, 80 A, 37 kW / 400 V, 3-pole, 230 V AC, 50 Hz, auxiliary contacts: 2 NO + 2 NC, screw terminal, size: S3, removable auxiliary switch
Image for illustration purposes only.
If you're unsure whether this part is a perfect match, please contact us.
New Sealed — New and unused, supplied in original manufacturer packaging.
New — New and unused. Original manufacturer packaging may be opened, missing or replaced.
Refurbished — Professionally inspected, tested and restored to full working condition.
Used — Previously used, inspected and tested as fully operational.
Condition: New Sealed
£149.50
Est. shipping: October 21 2026
View all options and prices (8)
| Condition | Warehouse | Stock | Price | |
|---|---|---|---|---|
|
New Sealed
Full 24 months warranty Est. shipping: October 21 2026 |
WM85-3R | Enquire now | £149.50 | Add to Cart |
|
New Sealed
Full 24 months warranty Est. shipping: December 07 2026 |
WM97-3R | Enquire now | £153.50 | Add to Cart |
|
New Sealed
Full 24 months warranty Est. shipping: October 21 2026 |
WM92-3R | Enquire now | £156.00 | Add to Cart |
|
New Sealed
Full 24 months warranty Est. shipping: October 21 2026 |
WM71-3R | Enquire now | £160.00 | Add to Cart |
|
New Sealed
Full 24 months warranty Est. shipping: October 28 2026 |
WM66-3R | Enquire now | £160.00 | Add to Cart |
|
New Sealed
Full 24 months warranty Est. shipping: October 21 2026 |
WM94-3R | Enquire now | £169.00 | Add to Cart |
|
New Sealed
Full 24 months warranty Est. shipping: October 05 2026 |
WM44-3R | 10+ in stock | - | Get Quote |
|
New Sealed
Full 24 months warranty Est. shipping: October 05 2026 |
WM59-3R | Enquire now | - | Get Quote |
Condition: New
Priced on Request
Est. shipping: October 05 2026
Condition: Used
£199.50
Est. shipping: October 05 2026
View all options and prices (2)
| Condition | Warehouse | Stock | Price | |
|---|---|---|---|---|
|
Used
Full 12 months warranty Est. shipping: October 05 2026 |
WM75-3R | Low stock | £199.50 | Add to Cart |
|
Used
Full 12 months warranty Est. shipping: October 05 2026 |
WM44-3R | Low stock | - | Get Quote |
Product Overview:
The 3RT2045-1AP04 is a power contactor designed for industrial automation applications. It features a 230V AC coil, three poles, and supports a current of 80 A with a switching capacity of 37 kW at 230V. The contactor includes two normally open (NO) and two normally closed (NC) auxiliary contacts, with screw terminal connections and a size designation of S3. It is suitable for controlling electrical loads in various automation systems.
Full 12 months warranty
Siemens is a global leader in industrial automation, digitalisation, and electrification, offering products such as PLCs, drives, industrial robots, and process control systems. Known for innovation and sustainability, Siemens’ technologies enhance efficiency, safety, and performance across industries like manufacturing, energy, and healthcare.
***CJS Automation is NOT an authorised distributor of Siemens***
Other Siemens Parts
Closest part codes available to buy online.
GB 
US 
DE 
DK 
ES 
FI 
FR 
IT 
NL 
NO 
PT 
SE