Siemens HHED63B045 - 45 A, 600 V, 3-Pole Bolt-On Circuit Breaker | AmpState

The Siemens HHED63B045 is a 45 A, 600 V, 3-pole bolt-on molded case circuit breaker designed for reliable branch-circuit protection in panelboards and loadcenters. Built to stand up to real-world electrical demand, it pairs precise protection with durable, secure mounting that keeps connections solid even in vibration-prone environments.

• Secure bolt-on mounting provides a rigid, vibration-resistant bus connection, reducing micro-movements that can lead to loose contacts over time.
• Thermal-magnetic trip unit delivers stable, repeatable protection by combining a thermal overload element with a magnetic short-circuit trip for fast, clean disconnection during faults.
• OEM-compatible design is built to work with matching Siemens OEM loadcenters and panelboards, ensuring straightforward installation and reliable coordination within existing systems.
• Versatile three-phase protection ideal for residential, commercial, and light industrial applications where balanced three-pole protection is essential for motors, transformers, and multi-wire branch circuits.

Who benefits from the HHED63B045? electricians and facility teams upgrading distribution panels, contractors performing panel replacements, and maintenance crews managing three-phase equipment in small to mid-size commercial spaces. It’s particularly well-suited for protecting HVAC drives, pumps, conveyors, and other three-phase loads where consistent trip performance and durable mounting matter most.

Technical details at a glance

• Manufacturer: Siemens
• Part Number: HHED63B045
• Type: Thermal-magnetic molded case circuit breaker
• Amperage Rating: 45 A
• Voltage Rating: 600 V
• Number of Poles: 3
• Mounting Style: Bolt-on
• Application: Branch circuit overcurrent and short-circuit protection

Upgrade or specify your electrical distribution with the Siemens HHED63B045 to ensure dependable protection, easy installation, and compatibility within Siemens-based panel ecosystems. This bolton solution is designed to deliver consistent performance when protection and reliability are non-negotiable in your electrical infrastructure.