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Siemens 3RV1421-1AA10 S0 Circuit Breaker - Transformer Protection

Siemens 3RV1421-1AA10 S0 circuit breaker for transformer protection.

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ManufacturerSiemens

Part number3RV1421-1AA10

Size S0

Rated Current 1.1-1.6 A

Short-Circuit Release 33 A

Connection Type Screw Terminal

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Veteran-owned

CAGE: 9NK75

Transformer protection Adjustable thermal overload Fixed short-circuit release Screw terminals Standard switching capacity Phased-out

Product description

The Siemens 3RV1421-1AA10 is a Size S0 circuit breaker designed for transformer protection. It features an adjustable thermal trip range from 1.1 to 1.6 A and a fixed short-circuit release of 33 A. This breaker utilizes screw terminals for easy and secure connections and offers standard switching capacity. Please be aware that this product is phased out, with its successor being the SIRIUS 3RV2 series.

This circuit breaker is suitable for protecting transformers in a wide array of industrial applications, including motor control centers, power distribution units, and custom-built machinery. Its robust design ensures reliable operation in demanding environments.

Stanlo Automation, a veteran-owned distributor specializing in surplus industrial automation parts, provides a dependable source for the Siemens 3RV1421-1AA10. We ensure product quality and availability, helping you maintain your critical systems.

Technical specifications

Size	S0
Rated Current	1.1-1.6 A
Short-Circuit Release	33 A
Connection Type	Screw Terminal
Protection Type	Transformer Protection
Switching Capacity	Standard
Series	SIRIUS 3RV1

Common applications

Motor control panels

Power distribution

Industrial automation

Transformer protection circuits

Machine building

Control cabinets

Compatible systems

SIRIUS 3RV1 accessories Industrial electrical panels

Also known as

Siemens 3RV1421-1AA10 SIRIUS 3RV1421-1AA10 Siemens S0 breaker

Replaces / compatible with

This product has been phased out and replaced by the Siemens SIRIUS 3RV2 series, with the preferred successor being the 3RV2411-1AA10.

Technical note

Expert tip

The 3RV1421-1AA10 is specifically configured for transformer protection, ensuring it handles inrush currents while providing reliable fault tripping.

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Frequently asked questions

What is the overload trip range of the Siemens 3RV1421-1AA10 circuit breaker?

The Siemens 3RV1421-1AA10 circuit breaker has an adjustable overload trip range of 1.1 to 1.6 Amps. It is designed for transformer protection applications.