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Siemens 3RB3046-2UD0
ELECTRONIC OVERLOAD RELAY 12.5...50 A
Product Description
This overload relay operates within an adjustable current range of 12.5 to 50 A and is intended for motor protection in size S3. It is classified under Class 20E and can be mounted onto contactors using a screw terminal for the main circuit. The auxiliary circuit is equipped with a spring-type terminal.
The relay features both manual and automatic reset options, accommodating various operational needs. It incorporates a single auxiliary contact as an opener and one as a shutter, enhancing its versatility. While the relay can operate at a maximum power loss of 0.3 watt per pole, it is important to note that it does not support mounting onto standard rails. Additionally, an external reset function is available, allowing for enhanced control during operation.
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Offer details
- Offer from:
- Trusted supplier — Germany, member since 2024
- Availability:
- On requestLead time: 3 days
- Warranty:
- Not specified
- Condition:
- New Factory Sealed
Specifications
- Brand
- Siemens
- Type of actuation
- AC
- Release class
- CLASS 20
- Assembly type
- Miscellaneous
- External reset possible
- Connection type
- Screw connection
- Description of product type
- 3RB3
Available Offers
(2)| Condition | Availability | Supplier | Warranty | Action | |
|---|---|---|---|---|---|
| Condition New Factory Sealed | Availability On requestLead time: 3 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 3RB3046-2UD0, including specifications and features.
CAD Models
3D CAD model and technical drawings, ready for your design software.
Product data updated: 07-10-2026

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