Square D HDA36110AABCSD 36110A 3-Pole 600 V Circuit Breaker Potential Transformer

Meet the Square D HDA36110AABCSD—a tailored solution for demanding electrical systems that need reliable protection and accurate sensing in one compact package. This 3‑pole, 600 V circuit breaker with an integrated potential transformer is designed to streamline protection schemes in industrial and commercial power distributions.

Key specifications at a glance

• Part number: HDA36110AABCSD
• Current rating: 36110 A
• Poles: 3
• Voltage rating: 600 V
• Integrated function: circuit protection with built‑in potential transformer for sensing and control circuits

Why this combination matters

The built‑in potential transformer means you can feed protective relays and metering equipment directly from the breaker, reducing the need for extra CTs and simplifying wiring during installation. This translates to faster commissioning, cleaner panel layouts, and more straightforward reliability monitoring for each phase. With three poles, it evenly handles three‑phase power, delivering dependable protection across all lines without compromising space in crowded switchgear or control panels.

Ideal use scenarios

• Industrial plants that require integrated protection and measurement within a single assembly
• Commercial distribution panels where space is at a premium and wiring efficiency matters
• Systems needing reliable phase sensing for protection relays and energy metering

How it stands out from typical setups

• Integrated potential transformer reduces wiring complexity and accelerates setup compared with separate protection and sensing components
• Three‑pole configuration provides balanced protection across all phases, enhancing system reliability
• 600 V rating aligns with common industrial distribution standards, making it a practical match for many power systems

Practical tips for installation and use

• Match this device to compatible Square D panels and protection schemes to ensure seamless relay communication and accurate sensing
• Plan during panel layout to take advantage of the integrated transformer wiring, reducing clutter and potential signal interference
• Verify mounting and clearance in your enclosure to maintain proper airflow and thermal performance for sustained operation

For projects requiring precise protection, streamlined wiring, and reliable three‑phase performance, the Square D HDA36110AABCSD delivers a focused solution that aligns with professional electrical design and maintenance goals. This part number, associated with the 36110A reference and 3‑pole 600 V rating, is built to support dependable operation in demanding environments.