Siemens ED42B030 - 30 A, 480 V, 2-Pole Bolt-On Circuit Breaker | AmpState

Meet the Siemens ED42B030 — a robust 30A, 480V, 2-pole bolt-on molded case circuit breaker designed to deliver dependable branch circuit protection in panelboards and load centers. Built for demanding environments, this unit is a trusted choice for residential, commercial, and light industrial applications where reliable overcurrent and short-circuit protection is essential.

What makes this breaker stand out

• Secure bolt-on mounting: promotes a rigid, vibration-resistant bus connection, reducing the risk of loose connections in dynamic installations or busy electrical panels.
• Thermal-magnetic trip unit: combines thermal and magnetic sensing for stable, repeatable protection across varying loads and fault conditions.
• OEM-compatible: designed to pair seamlessly with matching Siemens load centers and panelboards, ensuring straightforward installation and reliable performance.
• 2-pole configuration: provides simultaneous disconnection of both lines, enhancing safety and meeting code expectations for multi-conductor circuits.

Technical snapshot

• Manufacturer: Siemens
• Part Number: ED42B030
• Type: Thermal-magnetic molded case circuit breaker
• Amperage Rating: 30A
• Voltage Rating: 480V
• Number of Poles: 2
• Mounting Style: Bolt-on
• Application: Branch circuit overcurrent and short-circuit protection

Ideal use cases

This breaker is an excellent fit for upgrades or installations where high-voltage protection is required without compromising mounting reliability. Use it in Siemens-compatible panelboards and load centers to safeguard feeders and branch circuits in:

• Residential electrical upgrades and remodels with higher-voltage requirements
• Commercial electrical panels handling lighting, receptacles, and small equipment loads
• Light industrial setups with vibration-prone equipment or frequent maintenance cycles

Practical guidance for installation and maintenance

• Confirm panelboard compatibility and ensure bolt-on mounting aligns with your enclosure’s specifications.
• Opt for the 2-pole design when circuits require simultaneous disconnection for safety and compliance.
• Apply proper torque on mounting screws to maintain a secure, long-lasting bus connection in environments with vibration or movement.
• Keep a spare ED42B030 on hand to minimize downtime during routine maintenance or unexpected outages.

With the Siemens ED42B030, you gain a reliable, purpose-built solution for protecting high-load circuits. Its sturdy bolt-on design, thermal-magnetic protection, and OEM compatibility translate to straightforward installation, dependable operation, and long-term peace of mind in a variety of settings. Distributed by AmpState, this breaker brings proven Siemens quality to your electrical panel projects.