Square D HGA36125SV 125A 3-Pole 600 V Circuit Breaker Potential Transformer

Meet the Square D HGA36125SV, a robust 125A, 3-Pole circuit breaker with an integrated potential transformer designed for reliable protection and precise monitoring in demanding 600 V electrical systems. This Square D device combines essential overcurrent protection with direct-measurement capability, streamlining installation in industrial and commercial power distribution panels.

• Part Number: HGA36125SV
• Current rating: 125 A
• Poles: 3
• Voltage rating: 600 V
• Configuration: Circuit Breaker with Potential Transformer

Why this matters in real-world setups:

• Three-phase protection with integrated sensing: The 3-pole design ensures balanced interruption across all phases, safeguarding motors, feeders, and downstream equipment in large distribution networks.
• Built-in potential transformer for accurate monitoring: Direct connection to metering systems and protection relays means you can capture reliable voltage and current data without adding separate transformers, reducing wiring complexity and panel clutter.
• Optimized for 600 V industrial environments: Engineered to perform safely in higher-voltage applications, giving you dependable fault interruption and system protection where it counts.
• Streamlined installation and integration: With a compact form factor and standard Square D compatibility, this device fits typical industrial panels and can simplify spare-part inventories by consolidating protection and measurement in one unit.

Ideal for:

• Industrial control panels, switchgear, and motor control centers that require both protective action and reliable phase voltage monitoring
• Facilities and data centers needing accurate current/voltage data for energy management, demand metering, or protective relays
• retrofit projects where minimizing components and wiring is a priority while upgrading protection and monitoring capabilities

What problems does it solve?

• Eliminates the need for separate potential transformers in many metering or relay applications, reducing installation time and potential connection errors
• Provides synchronized protection and measurement signals across all three phases, improving coordination and faster fault detection
• Supports safer, cleaner panel designs by consolidating functions into a single, durable device

Practical tips for best results:

• Match this HGA36125SV here with compatible protection relays and metering systems that accept integrated potential transformer outputs for cohesive system monitoring
• Plan for routine inspection of connections and ensure compatible wiring methods for 125 A circuits operating at up to 600 V
• Document the part number (HGA36125SV) in your asset registry to simplify future maintenance and part replacement

For professionals seeking a reliable, multifunction protective device, the Square D HGA36125SV delivers precise monitoring alongside robust circuit protection. It’s a concrete, purpose-built solution for 125-amp, 3-pole, 600-volt installations that demand both safety and actionable electrical data.