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Siemens 3RV2821-4CD10 S0 Circuit Breaker for Transformer Protection

Siemens 3RV2821-4CD10 S0 circuit breaker for transformer protection.

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ManufacturerSiemens

Part number3RV2821-4CD10

Frame Size S0

Thermal Overload Release 22 A

Short-Circuit Release 364 A

Approval UL 489, CSA C22.2 no. 5-02

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Transformer Protection Frame Size S0 Thermal & Short-Circuit Release UL 489 & CSA Approved Screw Terminals Standard Switching Capacity

Product description

The Siemens 3RV2821-4CD10 is a circuit breaker designed for transformer protection, featuring a frame size of S0. It is approved under UL 489 and CSA C22.2 no. 5-02. This model is equipped with a thermal overload release set at 22 A and a short-circuit release of 364 A, utilizing screw terminals for standard switching capacity.

This circuit breaker is well-suited for protecting transformers in various industrial settings, including machine building and control panel manufacturing. Its adherence to international safety standards ensures reliable performance and protection against electrical faults.

Stanlo Automation, a veteran-owned surplus parts distributor, offers the Siemens 3RV2821-4CD10. We are dedicated to providing our customers with quality surplus components, ensuring your automation systems remain operational and cost-effective.

Technical specifications

Frame Size	S0
Thermal Overload Release	22 A
Short-Circuit Release	364 A
Approval	UL 489, CSA C22.2 no. 5-02
Termination	Screw Terminal
Function	Transformer Protection

Common applications

Industrial Automation

Control Panels

Machine Building

Transformer Protection

Electrical Distribution

Compatible systems

Compatible with Siemens control and distribution systems utilizing S0 frame size components.

Also known as

Siemens S0 Circuit Breaker 3RV2 Transformer Protection Breaker Siemens 3RV28 Series

Replaces / compatible with

This part is part of the Siemens 3RV2 series and is designed for transformer protection. Compatible with related Siemens accessories for the 3RV2 series.

Technical note

Expert tip

The screw terminals are designed for standard switching capacity, ensuring a secure connection for the 364 A short-circuit protection required in demanding transformer applications.

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Frequently asked questions

What are the thermal overload and short-circuit trip settings for the Siemens 3RV2821-4CD10?

The Siemens 3RV2821-4CD10 circuit breaker has a thermal overload release of 22 A and a short-circuit release of 364 A. It is approved under UL 489 and CSA C22.2 no. 5-02 for transformer protection.