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Siemens CLF63B250 250A 3-Pole Molded Case Circuit Breaker

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ManufacturerSiemens

Part numberCLF63B250

Part Number CLF63B250

Manufacturer Siemens

Series CLF

Type Molded Case Circuit Breaker

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250A Rating 3-Pole Configuration Thermal Magnetic Protection High Interrupting Capacity (up to 200kAIC) Long-Time and Instantaneous Functions Bolts into Sentron Panelboards

Product description

The Siemens CLF63B250 is a 3-pole molded case circuit breaker from the legacy CLF series, designed to handle heavy electrical loads. It features a 250 Amp rating and utilizes a thermal-magnetic trip unit for reliable long-time and instantaneous overcurrent protection. This breaker offers a high interrupting capacity, rated at 200kAIC at 240VAC and 150kAIC at 480VAC.

This F-Frame breaker is engineered for industrial applications and bolts into Siemens Sentron panelboards and switchboards. It provides robust protection for electrical circuits and equipment.

Stanlo Automation, a veteran-owned surplus parts distributor, offers the Siemens CLF63B250. We are committed to providing quality industrial components and excellent customer service. Source your automation and electrical protection needs from Stanlo Automation for reliability and value.

Technical specifications

Part Number	CLF63B250
Manufacturer	Siemens
Series	CLF
Type	Molded Case Circuit Breaker
Amperage	250A
Voltage	600V AC
Poles	3
Phase	3
Interrupt Rating	200kA @ 240V, 150kA @ 480V, 100kA @ 600V
Trip Type	Thermal Magnetic (LI)
Frame Size	F-Frame

Common applications

Industrial Power Distribution

Motor Control Centers

Commercial Buildings

Manufacturing Facilities

Switchboards

Compatible systems

Siemens Sentron Panelboards Siemens Switchboards Industrial power distribution systems

Also known as

Siemens CLF63B250 Siemens F-Frame Breaker CLF250 3P

Replaces / compatible with

This unit is replaced by the Siemens CFD63B250, but remains a functional component within the CLF series for existing installations.

Technical note

Expert tip

Ensure that the appropriate lugs are used and torqued correctly, as this breaker is designed for bolt-on mounting and requires proper conductor termination for safe operation.

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Frequently asked questions

What is the interrupting capacity of the Siemens CLF63B250 circuit breaker?

The Siemens CLF63B250 circuit breaker has a significant interrupting capacity, rated at 200kAIC at 240VAC, 150kAIC at 480VAC, and 100kAIC at 600VAC. This high rating ensures it can safely interrupt fault currents in demanding industrial applications.