Square D HDA36070SH 70A 3-Pole 600 V Circuit Breaker

The Square D HDA36070SH 70A 3-Pole 600 V Circuit Breaker is built to safeguard demanding three-phase electrical systems with precise, reliable protection. With a 70-amp rating and a 3-pole configuration, this breaker can interrupt all three phases simultaneously, helping prevent damage to motors, drives, and other heavy loads in industrial and commercial environments. Part Number HDA36070SH ensures an exact fit as a replacement in compatible Square D panels.

• Current rating: 70 A
• Poles: 3
• Voltage rating: 600 V
• Brand: Square D by Schneider Electric
• Part number: HDA36070SH

Designed for three-phase distribution, this breaker protects circuits that power motors, pumps, conveyors, and other industrial equipment. Its 600 V rating makes it suitable for higher-voltage applications found in commercial buildings and manufacturing facilities, while its robust construction supports reliable operation in environments with frequent demand fluctuations.

Ideal use cases

• Three-phase motor circuits for HVAC, pumps, and conveyors
• Industrial equipment panels requiring dependable phase protection
• Commercial or light-industrial distribution where 600 V circuits are present
• Replacement in existing Square D installations to maintain compatibility and protection coordination

What sets this breaker apart

• Guaranteed compatibility with Square D panels and enclosures for straightforward installation and minimal downtime
• Consolidated three-phase protection that helps prevent equipment damage and electrical faults
• Durable, purpose-built design intended to withstand the rigors of industrial environments

Installation and maintenance tips

• Confirm that the panel and circuit require a 70 A, 3-pole 600 V device before replacement
• Follow proper lockout/tagout procedures and ensure power is fully isolated prior to installation
• Keep an on-hand replacement HDA36070SH to reduce downtime during preventive maintenance or fault recovery