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Siemens 3TC7814-0EB
DC Contactors, Size 12, 2-Pole, DC Operation
Product Description
Our DC Contactors are designed to operate in direct current environments. The contactor is available in a size 12 and features a 2-pole design. It operates at DC-3 and 5,RATD.OPER.CURR. with a rating of up to 400A. The contactor is equipped with auxiliary switches that provide 4 NO+4 NC connections. It operates at 24 V DC and is ideal for applications requiring high current handling capabilities.
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Offer details
- Offer from:
Trusted supplier — Romania, member since 2023, 1–4 employees - Availability:
- On requestLead time: 21 days
- Warranty:
- Not specified
- Condition:
- New Surplus
Specifications
- Brand
- Siemens
- Modular version
- Voltage type for actuating
- DC
- Number of main contacts as normally open contact
- 2
- Rated operation power at DC-3 / DC-5 at 440 V
- 140 kW
- Number of normally closed contacts as main contact
- 0
- Number of auxiliary contacts as normally open contact
- 4
Available Offers
(5)| Condition | Availability | Supplier | Warranty | Action | |
|---|---|---|---|---|---|
| Condition New Surplus | Availability On requestLead time: 21 days | SupplierRomaniaTrusted supplier — member since 2023, 1–4 employees | Warranty Not specified | |
 | Condition New Factory Sealed | Availability 2 pcs. Updated at: 16-09-2026In-Stock | Supplier CzechiaTrusted supplier — member since 2021, 50–99 employees | Warranty 24 months | |
:fill(white):quality(80)/media/thumbor) | Condition New Factory Sealed | Availability 2 pcs. Updated at: 16-09-2026In-Stock | Supplier PolandTrusted supplier — member since 2023, 50–99 employees | Warranty 24 months | |
 | 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 3TC7814-0EB, including specifications and features.
CAD Models
3D CAD model and technical drawings, ready for your design software.
Product data updated: 22-08-2026
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