Square D EJB36100 100A 3-Pole 347 V Circuit Breaker

The Square D EJB36100 is a genuine, high-capacity circuit breaker built for demanding three-phase power distribution. With a 100 A current rating and 3 poles, this unit is purpose-built to safeguard 347 V systems, delivering reliable overcurrent protection for commercial and light industrial applications. Part Number EJB36100, this breaker is designed to integrate seamlessly with Square D panels, providing a precise fit and consistent electrical performance you can trust. Key specifications - Part number: EJB36100 - Current rating: 100 A - Poles: 3 - Voltage rating: 347 V - Brand: Square D - Type: 3-pole circuit breaker for 347 V three-phase systems Why this matters - Exact fit, exact specs: As a genuine Square D replacement, the EJB36100 ensures compatibility with Square D distribution panels and breakers, reducing the risk of fitment issues and electrical mismatch. - Targeted protection for three-phase networks: Designed for 347 V three-phase circuits, it provides reliable interruption during overcurrents, helping protect wiring, motors, and connected equipment from damage. - Simplified maintenance and stocking: Keeping a standards-compliant, readily available EJB36100 on hand minimizes downtime when replacements are needed, making service calls and panel refreshes smoother. Ideal use scenarios - Upgrading or replacing SCADA, HVAC, or manufacturing line feeders in commercial facilities that run 347 V three-phase power. - Replacement in Square D panels where a 100 A, 3-pole breaker is specified for three-phase protection. - Retrofit projects in data centers or service rooms where reliable, industry-standard protection is required. What you gain vs. alternatives - Confidence in compatibility: Unlike generic substitutes, this Square D breaker is field-proven to match the precise electrical characteristics and physical footprint of the original equipment. - Consistent performance in demanding environments: Built to withstand the rigors of industrial and commercial applications, the EJB36100 helps maintain uninterrupted operation and safety. Practical tips for use - Verify panel compatibility: Before installation, confirm that your panel is designed to accept Square D 3-pole breakers and supports 347 V three-phase configurations. - Check labeling and ratings: Ensure the circuit protection aligns with the circuit’s amperage, voltage, and insulation requirements to maintain safe operation. - Plan for maintenance calls: Keep the EJB36100 on hand as a ready replacement part to minimize downtime during routine service or panel upgrades.