Siemens | ED21B015L | Circuit Breaker | 15A | 1-Pole | 120V

When you need precise, reliable protection for 120V circuits, the Siemens ED21B015L 15A, 1-Pole circuit breaker is purpose-built for maintenance, retrofit, and replacement projects. As a genuine Siemens part, it’s designed to align with the exact specifications your panel demands, helping you keep critical circuits safe and functioning smoothly.

Key specifications

• Amperage: 15A
• Poles: 1-Pole
• Voltage: 120V
• Part number: ED21B015L

Why this Siemens breaker stands out

Choosing a genuine Siemens ED-series breaker means you’re prioritizing exact form factor, correct trip characteristics, and dependable electrical protection. The ED21B015L reference is the most reliable indicator of compatibility, reducing guesswork and potential fit issues during installation.

Ideal use cases

• Maintenance: swap out a faulty breaker to restore proper circuit protection without altering other parts of the panel.
• Retrofit: upgrade or reconfigure a panel that requires a 15A, 1-Pole, 120V Siemens breaker.
• Replacement: standard replacement for circuits in residential or light commercial applications that specify ED21B015L or ED-series breakers.

Installation and compatibility tips

Before you order, confirm fit and ratings against your panel’s labeling. Use the part number ED21B015L as the primary compatibility reference. For safe handling, shut off the main power and follow your panel manufacturer’s installation guidelines. If you’re unsure, consult a licensed electrician to ensure proper seating and protection.

What you can expect

Consistent, predictable protection for 120V circuits—kick-in protection when overloads occur and reliable interruption for short circuits. This Siemens breaker is designed to deliver dependable performance across everyday residential and light commercial electrical environments, helping you maintain safe, uninterrupted operation of lights, outlets, and small-appliance circuits.