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Siemens 3RV1421-1DA10 S0 Circuit Breaker - Transformer Protection

Siemens 3RV1421-1DA10 S0 circuit breaker for transformer protection.

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ManufacturerSiemens

Part number3RV1421-1DA10

Size S0

Rated Current 2.2-3.2 A

Short-Circuit Release 65 A

Connection Type Screw Terminal

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CAGE: 9NK75

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

Product description

The Siemens 3RV1421-1DA10 is a Size S0 circuit breaker designed for transformer protection. It features an adjustable thermal trip range from 2.2 to 3.2 A and a fixed short-circuit release of 65 A. This breaker utilizes screw terminals for connection and offers standard switching capacity. Please note that this product is phased out, with the SIRIUS 3RV2 series being its successor.

This circuit breaker is well-suited for protecting transformers in industrial applications such as motor control centers, power distribution units, and various types of automated machinery. Its robust design ensures reliable operation in demanding environments.

Stanlo Automation, a veteran-owned distributor of surplus industrial automation parts, is your trusted source for the Siemens 3RV1421-1DA10. We provide quality-assured components and expertise to help you maintain your critical systems.

Technical specifications

Size	S0
Rated Current	2.2-3.2 A
Short-Circuit Release	65 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 control systems

Also known as

Siemens 3RV1421-1DA10 SIRIUS 3RV1421-1DA10 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 3RV2411-1DA10.

Technical note

Expert tip

The 3RV1421-1DA10 is engineered for transformer protection, accounting for inrush currents while providing reliable short-circuit and overload protection.

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Frequently asked questions

What are the protection settings for the Siemens 3RV1421-1DA10 circuit breaker?

The Siemens 3RV1421-1DA10 circuit breaker offers an adjustable thermal overload trip range of 2.2 to 3.2 Amps and a fixed short-circuit release of 65 Amps.