Square D HDA36150U44XAABCSK 150A 3-Pole 600 V Circuit Breaker

Meet the Square D HDA36150U44XAABCSK 150A 3-Pole 600 V Circuit Breaker — a purpose-built protection solution for demanding three-phase systems. With a 150 A current rating and a 600 V voltage rating, this breaker is engineered to safeguard heavy feeders, motors, and control circuits in industrial and commercial environments while keeping your distribution panel organized and reliable.

• Three-pole protection for balanced three-phase circuits up to 600 V, ensuring synchronized interruption across all phases during faults.
• 150 A current rating suitable for protecting high-capacity feeders and motor circuits without nuisance trips.
• Compatibility designed as a straightforward replacement in Square D panels that accept the HDA36150U44XAABCSK family, helping you maintain consistent performance in existing installations.
• Rugged, purpose-built construction to withstand the rigors of industrial and commercial electrical environments while delivering dependable overcurrent protection.
• Clear identification and reliability supports easier maintenance and faster diagnostics, so your team can respond quickly when issues arise.

Key specifications at a glance

• Part number: HDA36150U44XAABCSK
• Current rating: 150 A
• Poles: 3
• Voltage rating: 600 V
• Manufacturer: Square D (Schneider Electric)

Ideal use cases

• Motor feeder protection in factories, pumps, conveyors, and HVAC systems
• Three-phase distribution panels in commercial buildings and light-industrial facilities
• Replacement or upgrade for aging Square D breakers to restore reliable overcurrent protection

Pro tips for installation and compatibility

• Verify your panel labeling to confirm acceptance of the HDA36150U44XAABCSK part family before replacement.
• Ensure the breaker’s three-pole configuration matches the panel’s bus and enclosure design.
• Install with standard safety practices and, when in doubt, engage a licensed electrician to maintain code compliance and system safety.

Choose the Square D HDA36150U44XAABCSK 150A 3-Pole 600 V Circuit Breaker for robust, reliable protection of three-phase power distribution. It’s the targeted, high-capacity solution your industrial or commercial electrical system needs to maintain uptime and protect valuable equipment.