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Siemens 3RV2421-1GA10 S0 Transformer Protection Circuit Breaker

Siemens 3RV2421-1GA10 Size S0 circuit breaker for transformer protection.

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ManufacturerSiemens

Part number3RV2421-1GA10

Size S0

For transformer protection Yes

A-release 4.5...6.3 A

Short-circuit release 130 A

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CAGE: 9NK75

Transformer protection Adjustable thermal release Fixed magnetic release Screw terminal connection Standard switching capacity Size S0

Product description

The Siemens 3RV2421-1GA10 is a Size S0 circuit breaker optimized for transformer protection. It features an adjustable A-release setting from 4.5 to 6.3 Amps and a fixed short-circuit release of 130 Amps. This model uses screw terminals and offers standard switching capacity, ensuring dependable performance.

This circuit breaker is vital for protecting transformers in industrial automation, manufacturing plants, and power distribution systems. Its specific design caters to the unique protection requirements of transformers, preventing damage from overloads and short circuits.

Stanlo Automation, a veteran-owned surplus distributor, is your source for the Siemens 3RV2421-1GA10. We provide high-quality, cost-effective industrial automation components, backed by reliable service.

Technical specifications

Size	S0
For transformer protection	Yes
A-release	4.5...6.3 A
Short-circuit release	130 A
Terminals	Screw terminal
Switching capacity	Standard

Common applications

Transformer protection

Industrial machinery

Automation control

Power systems

Control panels

Manufacturing facilities

Compatible systems

Siemens Sirius 3RV2 Siemens 3RV2 accessories

Also known as

Siemens 3RV24211GA10 Siemens S0 transformer breaker Siemens 4.5-6.3A breaker

Replaces / compatible with

Compatible with Siemens Sirius 3RV2 series accessories.

Technical note

Expert tip

For optimal performance in transformer protection, ensure the adjustable overload setting (4.5-6.3A) is correctly configured based on the transformer's load profile.

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Frequently asked questions

What is the short-circuit breaking capacity of the Siemens 3RV2421-1GA10?

The Siemens 3RV2421-1GA10 has a fixed short-circuit release set at 130 Amps. While the exact breaking capacity (kA) isn't always listed in basic specs, it is designed to safely interrupt short-circuit currents typical for its rated current and application.