Siemens HLMXD63B700 - 700 A, 600 V, 3-Pole Bolt-On Circuit Breaker | AmpState

The Siemens HLMXD63B700 is a 700A, 600V, 3-pole bolt-on molded case circuit breaker designed to safeguard panelboards and load centers with dependable, repeatable protection. Built for demanding electrical environments, this unit delivers solid performance right where you need it—in residential, commercial, and light industrial applications.

Key advantages that set this breaker apart

• Secure bolt-on mounting provides a rigid, vibration-resistant bus connection, helping maintain reliable electrical continuity even in environments with movement or vibration.
• Thermal-magnetic trip unit delivers stable, repeatable protection by combining thermal and magnetic sensing to respond accurately to both overloads and short circuits.
• OEM compatibility is designed to work with matching Siemens load centers and panelboards, ensuring a cohesive protection system and straightforward installation.
• Three-pole configuration enables effective protection for three-phase systems, simplifying integration in multi-wire and commercial circuits.
• Robust molded-case construction provides durable, long-lasting performance in a range of installations where reliable branch-circuit protection is essential.

Technical snapshot

• Siemens
• HLMXD63B700
• Thermal-magnetic molded case circuit breaker
• 700A
• 600V
• 3
• Bolt-on
• Branch circuit overcurrent and short-circuit protection

What makes this breaker a smart choice

This Siemens HLMXD63B700 is purpose-built to deliver precise protection where it matters most—your panelboard or load center. The bolt-on design eliminates loose connections that can lead to nuisance trips or heat buildup, while the thermal-magnetic trip mechanism provides predictable responses to various fault conditions. If you’re upgrading an electrical system or designing a new installation, this unit’s exact 700A rating and 600V capacity ensure it fits within a wide range of commercial and industrial circuits without compromising safety or performance.

Ideal use cases

• Residential, commercial, and light industrial panelboards where reliable branch-circuit protection is required
• New installations or replacements in Siemens-compatible OEM load centers to maintain system-wide protection coordination
• Situations demanding a rigid, vibration-resistant connection to the bus to prevent intermittent faults

With the Siemens HLMXD63B700, you gain a proven, purpose-built solution that emphasizes dependable protection, straightforward integration, and compatibility with Siemens panel ecosystems. It’s engineered to perform when it counts—delivering consistent protection for demanding electrical installs.