Siemens / ITE HLD63B450 450A 3 Pole MCCB High Interrupting Capacity – Bolt-On Mount – 600V AC

The Siemens / ITE HLD63B450 is a high-performance molded case circuit breaker (MCCB) designed for demanding industrial and commercial electrical distribution systems. Built on the HLD frame platform, it features a high interrupting capacity and a thermal-magnetic interchangeable trip unit for reliable protection against overloads and short circuits. With a 450A rating and compatibility up to 600V AC systems, it is widely used in heavy-duty power distribution panels where reliability and fault protection are critical.

Product Specification

• Type: Molded Case Circuit Breaker (MCCB)
• Frame Style: HLD Frame
• Trip Unit: Thermal Magnetic Interchangeable
• Mounting Type: Bolt-On Connection
• Standard Terminals: Line and Load End Terminals
• Application: Industrial / Commercial Power Distribution
• Construction: High Interrupting Capacity Design
• Manufacturer: Siemens / ITE

Technical Specification

• Frame Type: L
• Trip Setting Range: 2000 – 4000
• Interrupting Capacity:
  • 100 kA @ 240V AC
  • 65 kA @ 480V AC
  • 35 kA @ 600V AC
  • 30 kA @ 250V DC
• Frequency: 50/60 Hz
• Operating Mechanism: Thermal Magnetic
• Installation Type: Fixed Bolt-On

Voltage and Ratings

• Rated Current (In): 450 A (at 40°C)
• Rated Operational Voltage (Ue):
  • 240V AC
  • 480V AC
  • 600V AC
• DC Rating: 250V DC
• Number of Poles: 3 Pole
• Short Circuit Interrupting Capacity:
  • Up to 100 kA depending on voltage level

Product Data

• Brand: Siemens / ITE
• Model: HLD63B450
• Amperage: 450A
• Poles: 3
• Breaker Type: MCCB (Molded Case Circuit Breaker)
• Mount Type: Bolt-On
• Frame Size: HLD Frame (L Type)
• Warranty: 1 Year
• Standard Terminals: Line and Load Standard
• Application: Industrial power distribution, heavy load protection

Important Note

This breaker is intended for professional installation only and should be handled by a qualified electrician in compliance with applicable electrical codes and safety standards. The product image represents a base model and may vary slightly depending on configuration. Accessories ordered with the breaker can be installed at no additional cost if installation details are provided during checkout.

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

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