Siemens 3VA4120-5ED24-0AA0 20A 2P 600V Circuit Breaker, Bolt-On | AmpState

The Siemens 3VA4120-5ED24-0AA0 is a dependable 2-pole circuit breaker engineered for panelboards, load centers, and electrical distribution systems. With a 20-amp rating and a 600V maximum, this bolt-on unit is built to protect circuits reliably while simplifying service and spares management for ongoing operations.

• Amperage: 20 A
• Poles: 2
• Voltage: 600 V
• Mounting: Bolt-On
• Part Number: 3VA4120-5ED24-0AA0
• Manufacturer: Siemens
• Product Type: Circuit Breaker
• Ideal for: Panelboards, Load Centers, Electrical Distribution

Why this Siemens breaker stands out

• Genuine Siemens 3VA series performance ensures full system compatibility, predictable trip characteristics, and long-term reliability in demanding environments.
• Bolt-on mounting provides a secure, vibration-resistant attachment and straightforward field replacement without complex wiring changes.
• With its 20 A rating, it’s tailored for branches that require precise protection and easy upstream isolation in commercial or light industrial setups.
• Designed to align with original BOMs, it’s an indispensable choice for replacement projects where exact part fidelity matters.

Ideal use cases

• Replacing aging or failed breakers in existing Siemens panelboards and load centers without reconfiguring circuits.
• Stocking spares to maintain BOM integrity and minimize downtime during maintenance windows.
• New installations that require a compatible, bolt-on, 2P 20 A breaker within 600 V class equipment.

Compatibility, availability, and planning

This part is ready to order from AmpState, making it easy to keep your electrical distribution aligned with the original equipment manufacturer’s specifications. Need help matching a part number or confirming compatibility? Message us and we’ll help you confirm fit.

Installation and practical tips

• Confirm the exact part number matches your panel’s documentation to ensure seamless replacement and uninterrupted protection.
• Store spare units in their original packaging to preserve internal mechanisms and spring tolerances for quick, reliable field service.
• Follow device-specific installation procedures and applicable electrical codes when performing any replacement or upgrade work.

Why choose AmpState for this Siemens breaker

• Authentic Siemens 3VA4120-5ED24-0AA0 breakers sourced for compatibility and reliability.
• Focused on stock availability and accurate part matching to reduce project risk and BOM drift.
• Responsive support to verify fit and help with ordering, so you can keep projects on schedule.