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Siemens 3RT2045-3NF30
AC3 Power Contactors, 37kW/400V, 1NO+1NC, 84-155V AC/DC
Product Description
The Siemens AC3 Power Contactors are designed to provide reliable and efficient electrical control in demanding industrial environments. With a rating of 37kW at 400V, these contactors offer high power handling capabilities. They feature a 1NO+1NC configuration, ensuring safe and controlled operation. The AC/DC capability allows for flexibility in power source selection. These contactors are designed with a 3-pole, 3 NO configuration, providing versatile connectivity options.
The Siemens AC3 Power Contactors come in the Size S3 format, which is compact and easy to integrate into existing systems. They feature spring-type terminals for secure electrical connections. An integrated varistor provides additional 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 | SupplierUnited KingdomTrusted supplier — member since 2021 | Warranty Not specified | |
| Condition New Factory Sealed | Availability On requestLead time: 5 days | Supplier GermanyTrusted supplier — member since 2024 | Warranty Not specified | |
 | Condition New Factory Sealed | Availability On requestLead time to be confirmed | Supplier ItalyTrusted supplier — member since 2021, 10–19 employees | 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 3RT2045-3NF30, 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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