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Siemens 3RV1021-4BA15 Motor Protection Circuit Breaker

Siemens 3RV1021-4BA15 Motor Protection Circuit Breaker Size S0.

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ManufacturerSiemens

Part number3RV1021-4BA15

Type Motor Protection Circuit Breaker

Size S0

Class 10

A-Release 14-20 A

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12-month warranty

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CAGE: 9NK75

Motor overload protection Adjustable trip settings Short-circuit protection Includes auxiliary contacts CLASS 10 rating Screw terminal connection

Product description

The Siemens 3RV1021-4BA15 is a circuit breaker in size S0, designed for motor protection. It features a CLASS 10 rating and an adjustable A-release range of 14 to 20 A, with a short-circuit release of 260 A. This breaker utilizes screw terminals and offers standard switching capacity, including a transverse auxiliary switch (1 NO + 1 NC).

This motor protection circuit breaker is essential for safeguarding electric motors from overloads and short circuits. Its adjustable trip settings allow for precise motor protection tailored to specific load requirements, commonly employed in industrial motor control centers and machinery.

Stanlo Automation, a veteran-owned surplus parts distributor, understands the importance of reliable protection components. We offer legacy parts like the Siemens 3RV1021-4BA15, ensuring you can maintain or upgrade your existing motor protection systems with quality surplus inventory.

Technical specifications

Type	Motor Protection Circuit Breaker
Size	S0
Class	10
A-Release	14-20 A
Short-Circuit Release	260 A
Terminals	Screw
Auxiliary Switch	1 NO + 1 NC
Switching Capacity	Standard

Common applications

Motor control circuits

Industrial machinery protection

Pump and fan motor protection

Conveyor systems

Machine tools

Compatible systems

Industrial motor control panels Siemens motor control centers

Also known as

Siemens 3RV1021 breaker S0 motor circuit breaker Siemens overload protection

Replaces / compatible with

This product is phased out. The preferred successor type is >>3RV2021-4BA15<<.

Technical note

Expert tip

When replacing this phased-out unit, verify the mounting dimensions and terminal layout of the successor 3RV2021-4BA15 for seamless integration.

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Frequently asked questions

What is the adjustable current range for the Siemens 3RV1021-4BA15 motor protection circuit breaker?

The Siemens 3RV1021-4BA15 motor protection circuit breaker has an adjustable A-release (overload trip) range of 14 to 20 Amperes. This allows for precise setting to protect motors of corresponding power ratings against thermal overloads.