Siemens ED23B070L - 70 A, 240 V, 3-Pole Circuit Breaker | AmpState

Meet the Siemens ED23B070L, a 70A, 240V, 3-pole molded case circuit breaker designed to shield panelboards and load centers from overcurrent and short-circuit events. Its compact footprint helps you maximize space in modern electrical panels, while delivering dependable protection for critical circuits.

Why this breaker stands out

• Space-efficient molded case design: Optimizes panel layout, leaving room for essential feeders and future expansions without compromising safety.
• Thermal-magnetic trip unit: Combines precise overload protection with instantaneous magnetic tripping on severe faults, delivering stable, repeatable performance across varying loads and temperatures.
• 3-pole configuration: Ideal for three-phase systems and multi-wire 120/240V setups, ensuring coordinated protection across all hot conductors.
• 70A amperage rating at 240V: Safely guards branch circuits and equipment up to 70A, helping prevent nuisance trips and equipment damage.
• OEM-compatible: Designed to pair with matching Siemens OEM load centers and panelboards for reliable mechanical fit and consistent trip characteristics.
• Versatile for multiple environments: Suitable for residential basements, commercial suites, and light industrial installations where dependable circuit protection is non-negotiable.

Technical snapshot

• Manufacturer: Siemens
• Part Number: ED23B070L
• Type: Thermal-magnetic molded case circuit breaker
• Amperage Rating: 70 A
• Voltage Rating: 240 V
• Number of Poles: 3
• Application: Branch circuit overcurrent and short-circuit protection

Practical use cases

In a small-to-mid-size commercial setup, the ED23B070L can protect a three-phase motor panel, lighting branch circuits, and receptacle subcircuits, all in one compact unit. For residential service upgrades or multi-family dwellings with 3-phase equipment, this breaker provides reliable isolation and quick fault response across all hot lines. Its compatibility with OEM load centers means you can upgrade or retrofit with confidence, maintaining consistent performance and easy maintenance checks.

How it protects your system

The thermal element responds to gradual overcurrents, preventing heat-related degradation of conductors and insulation. The magnetic element delivers immediate interruption for short-circuit events, reducing arc flash risk and potential damage to downstream equipment. By combining these two mechanisms in a single device, the ED23B070L offers balanced protection that minimizes downtime and extends the life of panel components.

Buying guidance and installation notes

• Ensure panel compatibility by pairing this 3-pole ED23B070L with matching Siemens OEM load centers and panelboards.
• Verify that your service layout and feeders are within the 70A rating to avoid nuisance trips or under-protection.
• During installation, torque terminals to the manufacturer’s specifications and inspect for proper alignment with bus connections for reliable operation.
• Use in residential, commercial, or light industrial applications where reliable branch-circuit protection is critical to safety and uptime.

Siemens ED23B070L delivers compact, dependable protection for demanding panel installations. Engineered for consistent performance, it helps you safeguard people, property, and equipment with clarity and confidence.