Siemens | E42B070 | Circuit Breaker | 2-Pole | 480V | Bolt-On

Siemens E42B070 Circuit Breaker — a precise, two-pole protection solution designed for industrial power systems that demand reliability, compatibility, and straightforward installation. With a 480V rating and a bolt-on mounting design, this breaker is crafted for maintenance, retrofit, and replacement projects where exact specifications matter most.

Key specifications at a glance

• Poles: 2-Pole
• Voltage: 480V
• Mounting: Bolt-On
• Part reference: E42B070

Why this matters for your panels and circuits

In industrial environments, using the correct breaker is essential for safe, predictable operation. The E42B070 is purpose-built for Siemens-compatible equipment, delivering dependable overcurrent protection across two conductors in 480V systems. The bolt-on design provides a robust, secure fit in panels that support this mounting style, helping minimize installation time and reduce maintenance downtime.

Ideal use cases

• Maintenance: replace worn or failed breakers in existing Siemens installations to restore reliable protection.
• Retrofit: upgrade legacy systems to a modern, two-pole 480V solution without changing the panel infrastructure.
• Replacement: exact part-for-part swap where E42B070 is the matching reference for compatibility.

How to ensure a proper fit

Always confirm compatibility by using the part number as the primary reference. The E42B070 is the defining identifier for this two-pole, 480V, bolt-on breaker. Before ordering, verify that your panel accepts bolt-on Siemens breakers and that the voltage and pole configuration align with your circuit protection requirements.

Practical tips for installation and maintenance

• Power down the circuit and verify absence of voltage before attempting replacement or installation.
• Inspect the mounting surfaces for clean, flat contact areas to ensure a solid bolt-on connection.
• Record the exact part number (E42B070) in your maintenance logs to streamline future replacements and audits.

Choose the Siemens E42B070 when you need a precise, compatible, and dependable 2-pole 480V bolt-on circuit breaker that supports maintenance, retrofit, and replacement workflows. Using the correct part number helps guarantee proper fit and ratings, delivering consistent protection for your electrical distribution system.