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Siemens 3RV2021-1HA15

S0 Circuit Breaker 5.5-8A with Auxiliary Contacts 1NO/1NC

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Siemens 3RV2021-1HA15 S0 Circuit Breaker 5.5-8A with Auxiliary Contacts 1NO/1NC — Switchgear & Power Supply
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Siemens 3RV2021-1HA15 S0 Circuit Breaker 5.5-8A with Auxiliary Contacts 1NO/1NC — Switchgear & Power Supply
Siemens 3RV2021-1HA15 S0 Circuit Breaker 5.5-8A with Auxiliary Contacts 1NO/1NC — Switchgear & Power Supply
Siemens 3RV2021-1HA15 S0 Circuit Breaker 5.5-8A with Auxiliary Contacts 1NO/1NC — Switchgear & Power Supply

Product Description

RoHS CompliantLifecycle Status:

This circuit breaker is intended for motor protection, featuring a size classification of S0. It operates within a rated permanent current of 8 amperes and is capable of handling a maximum operating voltage of 690 volts. It is equipped with a magnetic release system and is sensitive to phase failure. The auxiliary switch configuration includes one normally open and one normally closed contact, enhancing operational versatility.

With a power loss of 3.1 watts per pole, the device is rated for a short-circuit breaking capacity of 100 kA at 400 V. Its thermal overload release is adjustable from 5.5 to 8 amperes, making it suitable for various applications. The installation is facilitated through screw-type terminals, and it supports mounting on standard DIN rails.

The product is designed for operation within an ambient temperature range of -20 to +60 °C and can withstand storage temperatures between -50 and +80 °C. It adheres to multiple safety standards, ensuring reliable performance in industrial environments. The designation code for this product is 3RV2, indicating its compatibility with other components in the series.

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Offer details

Best offer from:
Trusted supplier — Germany, member since 2025, 5–9 employees
Availability:
1 pc.
In-Stock
Updated at: 03-09-2026
Warranty:
6 months
Condition:
Used
Used - A previously used item with possible signs of cosmetic wear. It is fully operational and functions as intended, though the original packaging may be missing.
The Seller is responsible for shipping the product and invoicing

Specifications

Brand
Siemens
Pole number
3
Manner of using
Toggle
Protection type IP
IP20
Release system
magnetic
Sensitive to phase failure
Connection type
Screw connection

Available Offers

(9)
3RV2021-1HA15 Siemens, Switchgear & Power Supply

Siemens

Available:
2 pcs.
In-Stock
Updated at: 04-09-2026
Offer from:
Trusted supplier — Germany, member since 2024
Warranty:
24 months
3RV2021-1HA15 Siemens, Switchgear & Power Supply

Siemens

Available:
1 pc.
On Request
Updated at: 22-08-2026
Offer from:
Trusted supplier — Romania, member since 2023, 1–4 employees
3RV2021-1HA15 Siemens, Switchgear & Power Supply

Siemens

Available:
1 pc.
In-Stock
Updated at: 04-09-2026
Offer from:
Trusted supplier — Germany, member since 2024
Warranty:
24 months

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Documents

Data Sheet

Datasheet for Siemens 3RV2021-1HA15, including specifications and features.

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CAD Models

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

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