Square D EJB34025 - 25 A, 480 V, 3-Pole Bolt-On Circuit Breaker | AmpState

The Square D EJB34025 is a purpose‑built bolt‑on molded case circuit breaker delivering reliable branch circuit overcurrent and short‑circuit protection for panelboards and loadcenters. With a 25‑amp rating and a 480‑volt operating range, this 3‑pole device is designed to handle demanding electrical loads with confidence.

Why engineers choose the EJB34025

• Secure bolt‑on mounting keeps the breaker firmly attached, delivering a rigid, vibration‑resistant bus connection that stays aligned even in harsh environments.
• Thermal‑magnetic trip unit provides stable, repeatable protection by responding to both overload and short‑circuit conditions, reducing nuisance trips and protecting sensitive equipment.
• OEM‑grade compatibility is designed to work with matching Square D OEM loadcenters and panelboards, simplifying replacement and service in existing systems.
• Versatile applications suitable for residential, commercial, and light industrial installations where dependable protection is essential.

Technical snapshot

• Manufacturer: Square D
• Part number: EJB34025
• Type: Thermal‑magnetic molded case circuit breaker
• Amperage rating: 25 A
• Voltage rating: 480 V
• Number of poles: 3
• Mounting style: Bolt‑on
• Application: Branch circuit overcurrent and short‑circuit protection

Ideal use cases

Use the EJB34025 to safeguard circuits feeding essential loads in panelboards and loadcenters across a range of settings—from home electrical panels to light commercial equipment rooms. Its 3‑pole design is well suited for multi‑phase circuits typical in 480V systems, where compact, reliable protection is a must.

What makes it stand out

• Bolt‑on construction minimizes movement and stress on bus connections, helping ensure long‑term reliability in installations subject to vibration or movement.
• Thermal‑magnetic protection offers predictable tripping behavior, giving technicians clear fault response during inspections and maintenance.
• Designed for straightforward integration with compatible Square D panels, reducing compatibility concerns and installation time when upgrading or expanding existing systems.

Practical considerations

Before selecting the EJB34025, confirm your system operates at 480 V and requires 3‑pole protection. This breaker is purpose‑built for branch circuit protection in panelboards and loadcenters, making it an ideal replacement or upgrade for compatible Square D installations.