Siemens 3RV1421-1CA10 S0 Circuit Breaker - Transformer Protection

Siemens 3RV1421-1CA10 S0 circuit breaker for transformer protection.

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ManufacturerSiemens

Part number3RV1421-1CA10

Size S0

Rated Current 1.8-2.5 A

Short-Circuit Release 52 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 3RV1421-1CA10 is a Size S0 circuit breaker designed for transformer protection. It offers an adjustable thermal trip range of 1.8 to 2.5 A and a fixed short-circuit release of 52 A. This breaker uses screw terminals for connection and provides standard switching capacity. It is important to note that this product is phased out, with the SIRIUS 3RV2 series being its successor.

This circuit breaker is ideal for protecting transformers in various industrial settings, including motor control, power distribution, and specialized machinery applications. Its robust construction ensures reliable performance.

Stanlo Automation, a veteran-owned distributor of surplus industrial parts, offers the Siemens 3RV1421-1CA10. We provide quality-assured, hard-to-find components to support your maintenance and operational needs.

Technical specifications

Size	S0
Rated Current	1.8-2.5 A
Short-Circuit Release	52 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 3RV1421-1CA10 SIRIUS 3RV1421-1CA10 Siemens S0 breaker

Replaces / compatible with

This product has been phased out and is replaced by the Siemens SIRIUS 3RV2 series, with the preferred successor being the 3RV2411-1CA10.

Technical note

Expert tip

The 3RV1421-1CA10 is optimized for transformer protection, ensuring it correctly handles inrush currents while providing reliable protection against short circuits.

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Frequently asked questions

What are the trip current specifications for the Siemens 3RV1421-1CA10?

The Siemens 3RV1421-1CA10 circuit breaker has an adjustable thermal trip range from 1.8 to 2.5 Amps and a fixed short-circuit release of 52 Amps.