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Siemens 3RT2017-1JB42
AC-3 Coupling Relay, 5.5KW/400V, 1NC, DC 24V, 0.7-1.25*us, with Integrated Diode
Product Description
The AC-3 coupling relay is a high-power device designed to handle up to 5.5 kW at 400 V. It features a single normally closed (NC) contact and operates on direct current (DC) at 24 V. The switching time of this relay ranges from 0.7 to 1.25*us, making it suitable for applications requiring fast response times. Equipped with an integrated diode, the relay ensures efficient power transmission and protection against reverse polarity.
This coupling relay is ideally suited for use in industrial automation systems where it can be connected to PLC outputs. It does not expand with auxiliary switches, making it a reliable choice for applications that require precise control over power distribution.
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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
- Rated operation power NEMA
- 5.516240624 kW
- Rated control supply voltage Us at DC
- 24 V
- Rated operation power at AC-3, 400 V
- 5.5 kW
- Rated operation current Ie at AC-1, 400 V
- 22 A
Available Offers
(5)| Condition | Availability | Supplier | Warranty | Action | |
|---|---|---|---|---|---|
![]() | Condition New Surplus | Availability On requestLead time: 21 days | Supplier | Warranty Not specified | |
| Condition New Surplus | Availability 1 pc. Updated at: 15-09-2026In-Stock | Supplier | Warranty 24 months | ||
| Condition New Surplus | Availability 1 pc. Updated at: 15-09-2026In-Stock | Supplier | Warranty 24 months | ||
| 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 3RT2017-1JB42, 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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