Siemens 3RU2146-4JB0

Thermal Overload Relay, 45...63 A

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Siemens 3RU2146-4JB0 Thermal Overload Relay, 45...63 A — General Accessories
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Product Description

Lifecycle Status:

The Thermal Overload Relay is designed to provide reliable motor protection in a compact and efficient design. With a rating of 45...63 A, this relay offers a wide range of applications for various motor sizes.

Key Features:

  • Thermal overload protection ensures the safe operation of motors by automatically disconnecting them when they exceed their rated capacity.
  • Manual-Automatic-Reset functionality allows for easy resetting in case of a temporary overload, while also providing automatic reset after a prolonged period of overload.

Specifications:

  • Rating: 45...63 A
  • Size: S3
  • Class: 10
  • Contactor Mounting: Main Circuit Screw Terminal, Auxiliary Circuit Screw Terminal

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Offer details

Offer from:
Trusted supplier — Germany, member since 2024 
Availability:
1 pc.
In-Stock
Updated at: 15-09-2026
Warranty:
24 months
Condition:
Refurbished
Refurbished - A refurbished item inspected, cleaned, and repaired to full working order by either the manufacturer or a certified technician. The item is in excellent condition and fully operational.
The Seller is responsible for shipping the product and invoicing

Specifications

Brand
Siemens
Insulation
IP20
Number of Poles
3
Trip Type
CLASS 10
Contact Rating
B600 / R300
Mounting
Contactor mounting
Type
thermal overload relay

Available Offers

(6)
ConditionAvailabilitySupplierWarrantyAction
Siemens 3RU2146-4JB0
Condition
Refurbished
Availability
1 pc.
In-Stock
Updated at: 15-09-2026
Supplier
GermanyTrusted supplier — member since 2024 
Warranty
24 months
Siemens 3RU2146-4JB0
Condition
New Surplus
Availability
3 pcs.
In-Stock
Updated at: 15-09-2026
Supplier
GermanyTrusted supplier — member since 2024 
Warranty
24 months
Siemens 3RU2146-4JB0
Condition
New Factory Sealed
Availability
3 pcs.
In-Stock
Updated at: 20-09-2026
Supplier
PolandTrusted supplier — member since 2023, 50–99 employees 
Warranty
24 months
Siemens 3RU2146-4JB0
Condition
New Surplus
Availability
2 pcs.
In-Stock
Updated at: 19-09-2026
Supplier
NetherlandsTrusted supplier — member since 2023, 5–9 employees 
Warranty
Not specified
Siemens 3RU2146-4JB0
Condition
New Factory Sealed
Availability
On requestLead time: 3 days
Supplier
GermanyTrusted supplier — member since 2024 
Warranty
Not specified
Siemens 3RU2146-4JB0
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 3RU2146-4JB0, including specifications and features.

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CAD Models

3D CAD model and technical drawings, ready for your design software.

Download CAD Model

Product data updated: 15-09-2026

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