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Siemens 3RT2045-1NF30
AC3 Contactor: 37kW/400V, 80A, 1NO+1NC, 84-155V AC/DC
Product Description
The Siemens AC3 contactor is a robust solution designed to handle high power applications. With a rating of 37kW/400V and an amperage capacity of 80A, it can efficiently manage demanding loads.
This contactor boasts 1 normally open (NO) and 1 normally closed (NC) contacts, providing flexibility in control applications. It operates reliably within the voltage range of 84-155V AC/DC.
Constructed with a size S3 screw terminal, this contactor ensures easy installation and maintenance. The integrated varistor adds an extra layer of protection against voltage surges.
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Offer details
- Offer from:
Trusted supplier — United Kingdom, member since 2021
- Availability:
- 2 pcs.Updated at: 31-10-2025In-Stock
- Warranty:
- Not specified
- Condition:
- New Factory Sealed
Specifications
- Brand
- Siemens
- Modular version
- Voltage type for actuating
- AC/DC
- Rated control supply voltage Us at DC
- 83 V
- Rated operation power NEMA
- 44.129924999 kW
- Rated operation power at AC-3, 400 V
- 37 kW
- Rated operation current Ie at AC-3, 400 V
- 80 A
Available Offers
(3)| Condition | Availability | Supplier | Warranty | Action | |
|---|---|---|---|---|---|
| Condition New Factory Sealed | Availability 2 pcs. Updated at: 31-10-2025In-Stock | Supplier | Warranty Not specified | ||
| Condition New Factory Sealed | Availability On requestLead time: 5 days | Supplier | Warranty Not specified | ||
![]() | Condition New Factory Sealed | Availability On requestLead time to be confirmed | Supplier | Warranty 12 months |
Offer with manufacturer lead time
Directly from the manufacturer - with a confirmed, predictable, and fully transparent delivery time.
Documents
Data Sheet
Datasheet for Siemens 3RT2045-1NF30, including specifications and features.
CAD Models
3D CAD model and technical drawings, ready for your design software.
Product data updated: 31-10-2025

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