Square D EHB34030HID 30A 3-Pole 480 V Circuit Breaker

Engineered for reliability in demanding industrial settings, the Square D EHB34030HID is a 30A, 3-Pole circuit breaker designed for 480 V three-phase distribution. This part—EHB34030HID—delivers trusted overcurrent protection to keep motors, pumps, and feeders safe from faults while enabling fast isolation when issues arise. Built to integrate with compatible Square D panel systems, it provides a robust, straightforward solution for safeguarding high-voltage electrical circuits.

Why this 3-Pole, 480 V breaker stands out

• Balanced three-phase protection: The 3-pole design ensures all voltage phases trip together, preventing partial faults that could damage equipment or create unsafe conditions.
• Precise 30 A protection: The 30 amp rating is ideal for medium-load feeders and motor circuits, helping to prevent nuisance trips while guarding conductors and devices from overloads.
• Designed for 480 V systems: A standard in many industrial environments, the 480 V rating aligns with common three-phase power distributions found in factories, warehouses, and production lines.
• Direct replacement fit: Part Number EHB34030HID is built to slot into compatible Square D installations, offering a dependable upgrade path for existing panels that support the EHB series.
• Durable, mission-focused construction: Engineered to withstand the demands of active electrical environments, delivering consistent protection in everyday operations.

Ideal applications

• Industrial manufacturing lines powered by 480 V three-phase supply
• Heavy-duty motors, conveyors, pumps, and compressors in commercial facilities
• Large HVAC and climate control systems that require reliable feeders
• Any Square D panel that requires a 3-pole, 480 V protection device with a 30 A rating

Specification snapshot

• Current rating: 30 A
• Poles: 3
• Voltage rating: 480 V
• Part Number: EHB34030HID
• Brand: Square D

When selecting protection for your 480 V three-phase system, this Square D circuit breaker delivers targeted protection for mid-range loads with a straightforward installation path. It’s a practical choice for keeping critical equipment safe and reducing downtime due to overcurrent events. If you’re upgrading an existing panel or equipping a new installation that calls for the EHB series, the EHB34030HID provides a reliable, compatible solution. Always ensure proper installation by a qualified electrician and verify that your panel and wiring specifications match the breaker’s ratings.