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Siemens 3WL1225-3BB33-4AS2-Z Fixed-Mounted Circuit Breaker - 2500A

Siemens 3-pole fixed-mounted circuit breaker, 2500A, 690V.

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ManufacturerSiemens

Part number3WL1225-3BB33-4AS2-Z

Poles 3

Size II

In 2500A

Voltage up to 690V AC

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3-pole configuration 2500A rated current 690V voltage rating 80kA interrupting capacity Fixed-mounted design Front terminal connections

Product description

The Siemens 3WL1225-3BB33-4AS2-Z is a robust, fixed-mounted, 3-pole circuit breaker designed for high-power electrical protection. It belongs to size II and has a nominal current (In) of 2500A, suitable for AC50/60Hz power systems up to 690V. This breaker offers a high interrupting capacity (Icu) of 80kA at 500V, ensuring reliable protection against overcurrents.

This circuit breaker is commonly used in industrial power distribution systems, switchgear, and as a main protection device in facilities requiring robust short-circuit protection. Its front connection, top/bottom single-hole mounting facilitates installation in various configurations.

Stanlo Automation, your veteran-owned source for surplus industrial automation parts, provides the Siemens 3WL1225-3BB33-4AS2-Z. Secure reliable electrical protection components from a trusted supplier.

Technical specifications

Poles	3
Size	II
In	2500A
Voltage	up to 690V AC
Frequency	50/60Hz
Icu	80kA at 500V
Connection	Front, top/bot. single-hole

Common applications

Industrial power distribution

Switchgear protection

Main circuit protection

High current applications

Motor control centers

Data centers

Compatible systems

690V AC power systems

Also known as

Siemens 3WL breaker 3WL1225 circuit breaker Siemens 2500A breaker

Technical note

Expert tip

Ensure proper torque settings are applied to the front terminals during installation to maintain electrical integrity and safety.

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Frequently asked questions

What is the interrupting capacity of the Siemens 3WL1225-3BB33-4AS2-Z circuit breaker?

The Siemens 3WL1225-3BB33-4AS2-Z circuit breaker has an interrupting capacity (Icu) of 80kA at 500V. This high rating ensures it can safely interrupt fault currents in demanding industrial applications.