Siemens ED43B070L - 70 A, 480 V, 3-Pole Circuit Breaker | AmpState

The Siemens ED43B070L is a 70A, 480V, 3-pole molded-case circuit breaker designed to deliver dependable branch circuit overcurrent and short-circuit protection in panelboards and loadcenters. Built for reliability in residential, commercial, and light industrial environments, this device helps keep electrical systems safe while making efficient use of valuable panel space.

Key advantages that matter in real-world setups

• Compact molded-case design maximizes panel space and simplifies installation in tight electrical enclosures.
• Thermal-magnetic trip unit provides stable, repeatable protection by responding to both overload and short-circuit conditions, reducing nuisance trips and protecting downstream equipment.
• 3-pole configuration for three-phase systems ideal for commercial and light-industrial power distribution when a robust 70A protection path is required.
• 480V rated suitable for higher-voltage panelboards and loadcenters commonly found in modern commercial and industrial applications.
• OEM-compatible designed to work with matching Siemens loadcenters and panelboards, ensuring seamless integration and reliable coordination with existing protection schemes.

What problems this breaker solves

• Provides swift disconnection of faulty circuits to prevent damage to wiring, equipment, and connected loads.
• Offers predictable protection performance with a thermal-magnetic trip curve, helping design engineers meet safety codes and electrical standards.
• Conserves panel space without sacrificing protection, enabling cleaner, more organized electrical layouts.

Ideal use cases

• New installations in commercial electrical panels and light industrial distribution boards with three-phase systems.
• Upgrading or replacing aging or incompatible breakers in Siemens-compatible panelboards and loadcenters.
• Situations requiring a reliable 70A, 480V three-pole protection path for feeders and branch circuits.

Specifications at a glance

• Manufacturer: Siemens
• Part number: ED43B070L
• Type: Thermal-magnetic molded case circuit breaker
• Amperage rating: 70A
• Voltage rating: 480V
• Number of poles: 3
• Application: Branch circuit overcurrent and short-circuit protection

Choosing the Siemens ED43B070L means selecting a trusted protection solution crafted for durability and precise performance in panelboards and loadcenters. With compatibility across Siemens OEM systems and a design that emphasizes space efficiency and reliable trip behavior, it’s a practical, long-term choice for safeguarding three-phase electrical installations.