Home › Manufacturers › Siemens › FXD63B150

Siemens

Siemens FXD63B150 150A 3-Pole Molded Case Circuit Breaker

Siemens FXD63B150 3-Pole Molded Case Circuit Breaker

● In Stock 12-Mo Warranty Same-Day Dispatch Ships Worldwide 🎖 Veteran-Owned

In Stock — Ready to Ship

ManufacturerSiemens

Part numberFXD63B150

Type FXD

Poles 3

Amperage 150A

Voltage 600V AC

Get a price for FXD63B150

Response within 1 business hour

🛡

12-month warranty

All units tested

⚡

Same-day dispatch

Order by 2pm CST

🌐

Worldwide delivery

US, EU, Asia, Middle East

🎖

Veteran-owned

CAGE: 9NK75

Thermal-Magnetic Trip Unit Long-Time and Instantaneous Functions 600V AC Rating 3-Pole Configuration FD Frame Bolt-On Mounting

Product description

The Siemens FXD63B150 is a robust 3-pole, 150A molded case circuit breaker (MCCB) from the Sentron series, utilizing an FD frame. It is equipped with a thermal-magnetic trip unit providing long-time and instantaneous (LI) trip functions for comprehensive overcurrent protection. This breaker is rated for 600V AC, with an interrupting capacity of 35kA at 480V and 22kA at 600V. It features a bolt-on mounting design.

This MCCB is well-suited for demanding industrial and commercial applications, including motor control, power distribution panels, and switchboards. The FXD63B150 ensures reliable operation and protection for electrical systems in harsh environments.

Stanlo Automation provides the Siemens FXD63B150 with prompt delivery and dedicated customer service. As a veteran-owned business, we prioritize quality and dependability in all our surplus automation parts.

Technical specifications

Type	FXD
Poles	3
Amperage	150A
Voltage	600V AC
Interrupt Rating	35kA@480V, 22kA@600V
Trip Unit	Thermal Magnetic (LI)
Frame	FD
Mounting	Bolt-On
HACR Rated	Yes

Common applications

Industrial power distribution

Motor control

Commercial electrical panels

Switchboards

Facility protection

Machine automation

Compatible systems

Siemens P1 Panelboards Siemens P2 Panelboards Siemens P3 Panelboards Siemens Switchboards Siemens Motor Control Centers

Also known as

Siemens FD63B150 FXD63B150 Circuit Breaker Siemens 150A 3P Breaker

Replaces / compatible with

Replaces legacy F-Frame breakers. Compatible with Siemens P1-P3 panelboards, switchboards, and motor control centers.

Technical note

Expert tip

This breaker is designed for bolt-on mounting and typically requires a separate lug kit for electrical connections.

What happens next?

Email confirmation

Immediate receipt acknowledgment sent to you

Account manager assigned

Confirms your part's spec and condition

Your quote delivered

Tailored to your specific requirements

Frequently asked questions

What is the interrupting capacity of the Siemens FXD63B150 circuit breaker?

The Siemens FXD63B150 circuit breaker has an interrupting capacity of 35kA at 480V and 22kA at 600V. It is a 3-pole, 150A, 600V AC device with a thermal-magnetic LI trip unit.