Siemens ED63B025 - 25 A, 600 V, 3-Pole Bolt-On Circuit Breaker | AmpState

Siemens ED63B025 is a 25A, 600V, 3-pole bolt-on molded case circuit breaker engineered to deliver dependable branch-circuit overcurrent and short-circuit protection in panelboards and loadcenters. Built to endure demanding environments, this unit combines rugged mounting with precise protective performance, making it a trusted choice for commercial and light industrial electrical installations.

• Secure bolt-on mounting provides a rigid, vibration-resistant bus connection that stays aligned and reduces movement under heavy equipment start-up or equipment vibration.
• Thermal-magnetic trip unit delivers stable, repeatable protection across varying loads and temperatures, quickly interrupting fault currents to minimize damage and downtime.
• 3-pole design for three-phase systems ideal for commercial and light industrial applications where three-phase distribution is standard.
• 25A, 600V rating aligns with moderate-load branch circuits in panelboards and loadcenters, offering reliable protection without unnecessary trips on normal operation.
• OEM-compatible designed to pair with matching Siemens panelboards and loadcenters, ensuring coordinated protection and straightforward replacement or upgrades.
• Versatile application suitable for residential-adjacent commercial spaces, offices, small manufacturing, and service-focused environments where dependable, easy-to-maintain protection is essential.

This ED63B025 unit helps you prevent insulation damage, electrical fires, and equipment faults by quickly sensing overcurrent and short-circuit conditions and isolating the affected circuit. It’s particularly effective for motor loads, lighting circuits, and control panels where reliable tripping behavior and vibration resistance matter most.

Use cases at a glance:

• Upgrading aging or mismatched breakers in existing panelboards
• Protecting branch circuits in small to medium commercial spaces
• Integrating into light industrial electrical distributions with three-phase systems
• Replacing damaged bolt-on breakers to restore safe, code-compliant protection

Technical snapshot

• Manufacturer: Siemens
• Part Number: ED63B025
• Type: Thermal-magnetic molded case circuit breaker
• Amperage Rating: 25A
• Voltage Rating: 600V
• Number of Poles: 3
• Mounting Style: Bolt-on
• Applications: Branch circuit overcurrent and short-circuit protection