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Siemens FXD63B175L 175A 3-Pole Molded Case Circuit Breaker

Siemens FXD63B175L 3-Pole Molded Case Circuit Breaker

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ManufacturerSiemens

Part numberFXD63B175L

Type FXD

Poles 3

Amperage 175A

Voltage 600V AC

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CAGE: 9NK75

High Ampere Rating (175A) Thermal-Magnetic Trip Unit Long-Time and Instantaneous Functions 600V AC Rating 3-Pole Configuration FD Frame

Product description

The Siemens FXD63B175L is a high-capacity 3-pole, 175A molded case circuit breaker (MCCB) from the Sentron series, built on an FD frame. It features a thermal-magnetic trip unit with long-time and instantaneous (LI) functions, providing robust protection for electrical circuits. This breaker is rated for 600V AC, with an interrupting capacity of 35kA at 480V and 22kA at 600V. The 'L' in its designation often signifies the inclusion of line and load side lug terminals.

This MCCB is designed for demanding industrial and commercial applications where reliable overcurrent protection is critical, such as in large motor control systems, main distribution panels, and heavy industrial machinery. Its 175A rating makes it suitable for higher load applications.

Stanlo Automation, a veteran-owned supplier, offers the Siemens FXD63B175L. We are dedicated to providing quality surplus automation parts with efficient service and competitive pricing to meet your operational needs.

Technical specifications

Type	FXD
Poles	3
Amperage	175A
Voltage	600V AC
Interrupt Rating	35kA@480V, 22kA@600V
Trip Unit	Thermal Magnetic (LI)
Frame	FD
Lugs	Included

Common applications

Industrial power distribution

Large motor control

Commercial electrical panels

Switchboards

Heavy machinery protection

Facility power

Compatible systems

Siemens Panelboards Siemens Switchboards Siemens Motor Control Centers

Also known as

Siemens FD63B175L FXD63B175L Circuit Breaker Siemens 175A 3P Breaker

Replaces / compatible with

A specific configuration within the Siemens FXD63B175 series, suitable for applications requiring 175A protection.

Technical note

Expert tip

The 'L' designation often implies that line and load lugs are included, simplifying wiring in many industrial applications.

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Frequently asked questions

What is the interrupting capacity for the Siemens FXD63B175L circuit breaker?

The Siemens FXD63B175L circuit breaker has an interrupting capacity of 35kA at 480V and 22kA at 600V. This 175A, 3-pole, 600V AC breaker uses a thermal-magnetic LI trip unit and typically includes line and load lugs.