Schneider Electric HGL36090SN 90A 3-Pole 600 V Circuit Breaker Potential Transformer

The Schneider Electric HGL36090SN is engineered for serious protection and precise monitoring in three‑phase power systems. This 90 A, 3‑pole circuit breaker with a 600 V rating combines rugged protection with integrated sensing capabilities, delivering a compact, reliable solution for modern electrical distributions.

Key specifications you can rely on:

• Current rating: 90 A
• Pole configuration: 3‑pole
• Voltage rating: 600 V
• Model: HGL36090SN
• Specialty: Circuit breaker with potential transformer for voltage sensing and protection coordination

Why this model stands out

• — The built‑in potential transformer supports accurate voltage monitoring and facilitates protective relay interfacing without the need for separate transformers, simplifying panel wiring and maintenance.
• Three‑phase reliability — 3‑pole design ensures synchronized interruption across all phases, helping to protect equipment, reduce fault currents, and improve system stability in demanding environments.
• Industrial‑grade robustness — Designed for continuous operation in medium‑to‑large distribution panels, with Schneider Electric’s engineering focus on durability, consistent performance, and long service life.
• Seamless system integration — Ready to slot into Schneider Electric protection and metering ecosystems, enabling coordinated protection strategies and streamlined diagnostics within EcoStruxure‑enabled environments.

Ideal use scenarios

• Medium‑voltage distribution panels in manufacturing facilities, processing plants, and large commercial installations
• Electrical rooms requiring compact protection with integrated sensing to support metering and relay interfaces
• Panels where space efficiency and reduced wiring complexity are priorities, without sacrificing protection performance

Practical tips for deployment

• Ensure compatibility with your panel’s busbar arrangement and mounting footprint to maximize installation efficiency
• Pair with appropriate protective relays and meters to take full advantage of the integrated potential transformer for accurate voltage sensing
• Follow the enclosure and wiring guidelines in the official documentation to maintain safety clearances and reliable trip performance

If you’re upgrading an industrial distribution scheme or building out a new protection‑and‑metering loop, the Schneider Electric HGL36090SN delivers targeted, reliable circuit protection with enhanced sensing capabilities. It’s a purpose‑built solution when you need steadfast protection across all three phases without additional components cluttering your panel.