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Siemens 3RV1021-0KA10 S0 Motor Protection Circuit Breaker

Siemens 3RV1021-0KA10 S0 motor protection circuit breaker.

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ManufacturerSiemens

Part number3RV1021-0KA10

Size S0

Trip Class CLASS 10

A-release 0.9-1.25 A

Short-circuit release 16 A

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12-month warranty

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Veteran-owned

CAGE: 9NK75

Motor protection Adjustable A-release CLASS 10 tripping Screw terminal connections Standard switching capacity

Product description

The Siemens 3RV1021-0KA10 is a Size S0 motor protection circuit breaker designed for reliable motor circuit protection. It features an adjustable A-release range of 0.9 to 1.25 A and a short-circuit release set at 16 A. This model is equipped with screw terminals for secure and efficient installation.

This circuit breaker is suitable for direct-on-line motor starting applications requiring dependable overload and short-circuit protection. The CLASS 10 rating ensures appropriate tripping characteristics for standard industrial motors.

Stanlo Automation, a veteran-owned surplus parts distributor, offers the Siemens 3RV1021-0KA10. We focus on providing access to essential industrial automation components, including legacy and phased-out parts, to support your continuous operations.

Technical specifications

Size	S0
Trip Class	CLASS 10
A-release	0.9-1.25 A
Short-circuit release	16 A
Terminals	Screw
Switching Capacity	Standard
Phase-out	Yes

Common applications

Motor control

Industrial automation

Machine building

Control panels

Medium motor protection

Compatible systems

Motor protection applications

Also known as

Siemens 3RV1021-0KA10 SIRIUS 3RV1021-0KA10 Siemens S0 protector Motor circuit protector

Replaces / compatible with

This phased-out product's preferred successor is the Siemens SIRIUS 3RV2 series, specifically the 3RV2011-0KA10.

Technical note

Expert tip

This unit does not include auxiliary contacts; external devices are needed for signaling or interlocking functions.

What happens next?

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Frequently asked questions

What is the maximum short-circuit release current for the Siemens 3RV1021-0KA10?

The Siemens 3RV1021-0KA10 circuit breaker has a short-circuit release set at 16 Amps. This setting ensures rapid interruption of fault currents, protecting the motor and associated wiring from damage.