HLXD63B450L – Siemens Sentron LD Frame 3‑Pole 450A 600V AC Molded Case Circuit Breaker with Lugs, Thermal‑Magnetic, 65 kAIC @ 480V

Product Description

The Siemens HLXD63B450L is a 3‑pole, 450 Amp, 600 V AC molded case circuit breaker with factory-installed lugs, designed for commercial and industrial electrical distribution systems. This breaker features a thermal‑magnetic trip unit providing Long‑Time and Instantaneous protection for reliable overload and short-circuit performance.

It delivers robust interrupting capacity at multiple voltages: 65 kAIC @ 480 V AC and 35 kAIC @ 600 V AC, ensuring safe fault current interruption in demanding applications. The HLXD63B450L is UL listed and suitable for panelboards and power distribution equipment where durable and secure circuit protection is required.

Key Features

• Poles: 3

• Amperage: 450 A

• Voltage: 600 V AC (also suitable for 500 V DC)

• Type: Molded Case Circuit Breaker with pre-installed lugs

• Thermal‑magnetic trip with Long-Time (LI) and Instantaneous protection

• High interrupting capacity: 65 kAIC @ 480 V AC, 35 kAIC @ 600 V AC

• Bolt-on mounting for secure panel installation

• UL listed for commercial and industrial safety

• Durable molded case construction for heavy-duty use

Technical Specifications

• Manufacturer: Siemens

• Catalog Number: HLXD63B450L

• Frame Type: LD Frame

• Phase: 3‑phase

• Trip Type: Thermal-Magnetic (non-interchangeable)

• Mounting Type: Bolt-on

• Frequency Rating: 50/60 Hz

• Operating Temperature: Standard industrial range

Product Data

• UPC / GTIN: 40892919820

• Provides reliable overload and short-circuit protection for industrial and commercial panels

• Compatible with Siemens Sentron power distribution systems

• Meets UL 489 and IEC 60947‑2 safety standards

Returns are easy

You may return items within 30 days of delivery for a refund.

FREE Shipping on orders over $99.

My Circuit Breakers offers one to five day delivery in the United States. The variation depends on the chosen shipping speed and the warehouse location for the product(s).

Same Day Shipping

We strive to ship out your items within one business day.

In rare circumstances, My Circuit Breakers may reserve up to 5 business days to complete shipment. Feel free to contact us if your order is time sensitive.

My Circuit Breakers provides a comprehensive 1-year warranty on both new and reconditioned products. Rest assured, all products are authentic OEM (original equipment manufacturer). Extended warranties are available upon request.