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Siemens 3RV2721-4BD10 S0 Circuit Breaker - 20A Thermal, 260A Short Circuit

Siemens 3RV2721-4BD10 S0 Circuit Breaker

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ManufacturerSiemens

Part number3RV2721-4BD10

Frame Size S0

Thermal Release 20 A

Short-Circuit Release 260 A

Connection Type Screw Terminal

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System Protection Size S0 Frame Thermal and Short-Circuit Release UL 489 & CSA Approved Screw Terminal Connection Standard Switching Capacity

Product description

The Siemens 3RV2721-4BD10 is a circuit breaker in frame size S0, engineered for robust system protection. It features a thermal overload release of 20 A and a short-circuit release of 260 A, with screw terminal connections and standard switching capacity. This breaker is approved under UL 489 and CSA C22.2 no. 5-02, ensuring its reliability in demanding industrial applications.

This circuit breaker is essential for safeguarding electrical systems and equipment in sectors such as manufacturing, automation, and infrastructure projects. Its function in preventing damage from overcurrents and short circuits is critical for maintaining operational continuity and safety.

Stanlo Automation, a veteran-owned surplus parts distributor, offers the Siemens 3RV2721-4BD10. We provide quality surplus components and dedicated customer support to meet your industrial automation needs.

Technical specifications

Frame Size	S0
Thermal Release	20 A
Short-Circuit Release	260 A
Connection Type	Screw Terminal
Switching Capacity	Standard
Approvals	UL 489, CSA C22.2 no. 5-02

Common applications

Industrial Automation

Electrical Protection

Control Systems

Manufacturing Equipment

Power Distribution

Compatible systems

Designed for use in industrial electrical systems and control panels requiring UL 489 and CSA C22.2 no. 5-02 certification.

Also known as

Siemens 3RV2 Circuit Breaker S0 Breaker 3RV27214BD10

Replaces / compatible with

This circuit breaker is suitable for replacing Siemens S0 frame size circuit breakers with comparable electrical ratings. Always confirm application requirements for proper selection.

Technical note

Expert tip

The S0 frame size offers a higher current handling capacity compared to the S00, making this breaker suitable for protecting larger electrical loads and machinery.

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Frequently asked questions

What is the trip setting for the Siemens 3RV2721-4BD10 circuit breaker?

The Siemens 3RV2721-4BD10 circuit breaker has a thermal overload release set at 20 A and a short-circuit release set at 260 A. These settings are crucial for protecting electrical systems from overcurrents and short circuits.