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Siemens 3RV1421-0GA10 S0 Circuit Breaker - Transformer Protection

Siemens 3RV1421-0GA10 S0 circuit breaker for transformer protection.

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ManufacturerSiemens

Part number3RV1421-0GA10

Size S0

Rated Current 0.45-0.63 A

Short-Circuit Release 13 A

Connection Type Screw Terminal

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CAGE: 9NK75

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

Product description

The Siemens 3RV1421-0GA10 is a Size S0 circuit breaker designed for transformer protection. It features an adjustable thermal trip range of 0.45 to 0.63 A and a fixed short-circuit release of 13 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 suitable for various industrial applications requiring reliable overload and short-circuit protection for transformers. Its robust design ensures dependable operation in demanding environments, commonly found in motor control, power distribution, and automation systems.

As a veteran-owned surplus parts distributor, Stanlo Automation offers a reliable source for hard-to-find and discontinued components like the Siemens 3RV1421-0GA10. We provide quality assurance and competitive pricing, ensuring you can maintain your existing automation systems efficiently.

Technical specifications

Size	S0
Rated Current	0.45-0.63 A
Short-Circuit Release	13 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 panels

Also known as

Siemens 3RV1421-0GA10 SIRIUS 3RV1421-0GA10 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 3RV2411-0GA10.

Technical note

Expert tip

While phased out, this breaker is designed for transformer protection, offering specific overload and short-circuit trip characteristics suitable for inductive loads.

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Frequently asked questions

What is the current range for the Siemens 3RV1421-0GA10 circuit breaker?

The Siemens 3RV1421-0GA10 circuit breaker has an adjustable thermal trip range from 0.45 to 0.63 Amps. It also features a fixed short-circuit release set at 13 Amps.