Siemens ED21B015 - 15 A, 120 V, 1-Pole Bolt-On Circuit Breaker | AmpState

Siemens ED21B015 delivers reliable branch-circuit protection you can trust in residential, commercial, and light industrial panel systems. This 1-pole, 15A, 120V bolt-on molded case circuit breaker is engineered for durable performance where space is tight and reliability matters—from home electrical panels to compact commercial load centers.

• Secure bolt-on mounting: A rigid bus connection that resists vibration and keeps the protective path solid over time, reducing maintenance tweaks and ensuring consistent trips.
• Thermal-magnetic trip unit: Combines precise thermal sensing with instantaneous magnetic actuation, delivering stable, repeatable protection against both gradual overloads and sudden faults.
• 1-pole, 15A, 120V design: Ideal for individual branch circuits such as lighting, outlets, and small equipment loads in a wide range of panel configurations.
• OEM-compatible panel integration: Built to match Siemens OEM load centers and panelboards, simplifying retrofits and new installations with a seamless fit.
• Versatile applications: A practical choice for homes, small offices, retail spaces, and light industrial environments where dependable protection is essential.

Who benefits most: electricians, facility managers, and DIY enthusiasts looking to restore circuit protection with a like-for-like replacement that aligns with existing Siemens panels. If you’re upgrading aging breakers, stocking a service cart for field work, or performing panel maintenance, ED21B015 provides a precise, reliable solution that integrates smoothly with your current setup.

Use cases and outcomes

• Replace a failed or worn breaker in residential or small commercial panels without changing other components.
• Expand or reconfigure branch circuits in compatible Siemens panelboards while maintaining consistent protection curves.
• Maintain panel reliability in environments with moderate vibration or frequent switching, thanks to secure bolt-on mounting.

Technical specifications

• Manufacturer: Siemens
• Part Number: ED21B015
• Type: Thermal-magnetic molded case circuit breaker
• Amperage Rating: 15 A
• Voltage Rating: 120 V
• Number of Poles: 1
• Mounting Style: Bolt-on
• Application: Branch circuit overcurrent and short-circuit protection

Equip your panel with a trusted Siemens solution—precisely the ED21B015 you need for dependable protection, easy installation, and OEM-wide compatibility. AmpState delivers this component to support your electrical projects with clarity and confidence.