HLXD63B450 – Siemens Sentron LD Frame 3‑Pole 450A 600V AC Molded Case Circuit Breaker, Thermal‑Magnetic, 65 kAIC @ 480V

HLXD63B450 – Siemens Sentron LD Frame 3‑Pole 450A 600V AC Molded Case Circuit Breaker, Thermal‑Magnetic, 65 kAIC @ 480VProduct Description The Siemens HLXD63B450 is a 3pole, 450 Amp, 600 V AC molded case circuit breaker designed for commercial and industrial electrical distribution systems. It features a thermalmagnetic trip unit with longtime and instantaneous protection for dependable overload and shortcircuit response. This breaker provides robust interrupting capacity at multiple voltages, including 65 kAIC @ 480 V AC and 35 kAIC @ 600 V AC, ensuring safe

Product Description

The Siemens HLXD63B450 is a 3‑pole, 450 Amp, 600 V AC molded case circuit breaker designed for commercial and industrial electrical distribution systems. It features a thermal‑magnetic trip unit with long‑time and instantaneous protection for dependable overload and short‑circuit response.

This breaker provides robust interrupting capacity at multiple voltages, including 65 kAIC @ 480 V AC and 35 kAIC @ 600 V AC, ensuring safe interruption of fault currents in demanding applications. The HLXD63B450 is UL listed and built for reliable protection in a range of power distribution environments.

Key Features

• Poles: 3

• Amperage: 450 A

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

• Type: Molded Case Circuit Breaker

• Thermal‑magnetic trip with long‑time and instantaneous protection

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

• Bolt‑on mounting for secure panel installation

• Durable construction for industrial and commercial use

• UL listed for safety and performance

Technical Specifications

• Manufacturer: Siemens

• Catalog Number: HLXD63B450

• 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: 783643314931

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

• Compatible with Siemens Sentron power distribution systems

• Built to meet UL 489 and IEC 60947‑2 safety standards