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Siemens 3RV1021-0BA10 S0 Motor Protection Circuit Breaker

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ManufacturerSiemens

Part number3RV1021-0BA10

Size S0

Class 10

A-release 0.14...0.2 A

N-release 2.6 A

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CAGE: 9NK75

Motor protection Size S0 Class 10 Adjustable thermal overload Screw terminals

Product description

The Siemens 3RV1021-0BA10 is a size S0 motor protection circuit breaker with a Class 10 rating. It features an adjustable overload protection (A-release) range of 0.14 A to 0.2 A and a short-circuit release (N-release) of 2.6 A. This model uses screw terminals for connections and provides standard switching capacity. It is a phased-out product, with the preferred successor being the SIRIUS 3RV2011-0BA10.

This circuit breaker was designed for protecting small to medium-sized motors in industrial settings, including applications in HVAC systems, small pumps, and automation equipment where precise current settings are required.

Stanlo Automation, your veteran-owned distributor for industrial surplus automation parts, offers the Siemens 3RV1021-0BA10. We can help you find this legacy component for your existing systems.

Technical specifications

Size	S0
Class	10
A-release	0.14...0.2 A
N-release	2.6 A
Terminals	Screw
Switching Capacity	Standard
Status	Phased-out

Common applications

Small motor control

Industrial automation

HVAC systems

Pump control

Control panels

Also known as

Siemens 3RV10210BA10 SIRIUS 3RV1021-0BA10 Siemens 0.2A motor breaker

Replaces / compatible with

Replaced by SIRIUS 3RV2011-0BA10.

Technical note

Expert tip

Although phased-out, this breaker remains functional and compatible with existing systems; consider its successor for new installations.

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Frequently asked questions

What is the short-circuit trip current for the Siemens 3RV1021-0BA10?

The Siemens 3RV1021-0BA10 circuit breaker has a fixed short-circuit release (N-release) set at 2.6 A, providing protection against short circuits for motors within its specified range.