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Siemens 3RV2021-4EA10 S0 Motor Protection Breaker 27-32A

Siemens 3RV2021-4EA10 S0 Motor Protection Circuit Breaker

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ManufacturerSiemens

Part number3RV2021-4EA10

Size S0

Motor Protection Yes

Class 10

A-Release 27-32 A

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Veteran-owned

CAGE: 9NK75

Motor protection Adjustable trip current Standard switching capacity Screw terminals CLASS 10 rating Higher current range

Product description

The Siemens 3RV2021-4EA10 is a size S0 motor starter protector specifically designed for protecting motors within a higher current range. It features a CLASS 10 rating, an adjustable A-release from 27A to 32A, and a fixed N-release of 400A. This model uses screw terminals for reliable electrical connections and offers standard switching capacity.

This circuit breaker is ideal for protecting larger motors or motors operating under higher load conditions in industries such as heavy manufacturing, mining, and large-scale material handling. It ensures reliable operation and protection against overloads and short circuits.

Stanlo Automation, a veteran-owned business specializing in surplus industrial automation parts, offers the Siemens 3RV2021-4EA10. We provide cost-effective solutions with fast shipping to help you maintain operational continuity. Source your critical automation components from Stanlo.

Technical specifications

Size	S0
Motor Protection	Yes
Class	10
A-Release	27-32 A
N-Release	400 A
Terminals	Screw
Switching Capacity	Standard

Common applications

Large motor control

Heavy manufacturing

Mining equipment

Material handling systems

Industrial machinery

Compatible systems

Motor control circuits PLC controlled systems Industrial machinery Automation systems

Also known as

Siemens 3RV2021-4EA10 3RV20214EA10 Siemens S0 circuit breaker 27-32A

Replaces / compatible with

Compatible with Siemens 3RV2 series motor protection and control systems.

Technical note

Expert tip

For motors operating near their full load current, ensure the A-release is set appropriately within the 27-32A range of the 3RV2021-4EA10 to provide effective thermal overload protection.

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Frequently asked questions

What is the maximum current rating for the Siemens 3RV2021-4EA10's adjustable trip?

The Siemens 3RV2021-4EA10 offers an adjustable A-release (thermal overload) setting from 27 Amps up to 32 Amps, suitable for protecting motors within this higher current range.