Square D HDA36070SV 70A 3-Pole 600 V Circuit Breaker

Square D HDA36070SV is a rugged three-pole circuit breaker engineered to guard three-phase power systems up to 70 amps at a 600-volt rating. Part of the trusted Square D HDA family, this device delivers dependable overcurrent protection for commercial and industrial electrical distributions where reliability matters most.

• Current rating: 70 A
• Poles: 3
• Voltage rating: 600 V
• Part number: HDA36070SV

• Three-pole configuration provides synchronized interrupting across all three phases, helping maintain balance after a fault and protecting motors, drives, and feeders.
• Designed to fit Square D panels that specify HDA-type breakers, making replacements straightforward when upgrading or maintaining large three-phase systems.
• Robust mechanical construction supports reliable operation in environments with vibration and temperature cycling common to industrial settings.
• Clear labeling and standardized trip characteristics help technicians diagnose trips quickly, reducing downtime during maintenance or fault events.

• Protect three-phase motors (conveyors, pumps, compressors) in manufacturing facilities; safeguard feeders and distribution circuits in large commercial or industrial buildings; secure power paths in HVAC systems and other heavy-duty equipment that run on 600 V class networks.
• It combines a proven Square D design with a precise 70 A rating in a three-pole package, delivering targeted protection for demanding loads without over-tripping normal operation.

Practical tips for installation and operation: verify compatibility with your panelboard’s labeling to ensure the HDA family is approved for your enclosure, follow standard safety practices when working with live panels, and replace only with the exact part (HDA36070SV) to maintain system protection and warranty coverage. Keep a spare on hand for rapid replacement in critical power paths to minimize downtime.

When you need dependable three-phase protection for up to 70 amps at 600 volts, the Square D HDA36070SV delivers a trusted, industry-standard solution designed to keep motors and equipment running smoothly. Add it to your electrical distribution lineup and experience reliable, plug-and-play protection for demanding applications.