Siemens U01JLD6 - 120 V Circuit Breaker | AmpState

Siemens U01JLD6 is a 120 V molded case circuit breaker engineered for dependable branch circuit overcurrent and short-circuit protection in panelboards and load centers. Its compact design helps maximize panel space, making it an efficient choice for installations where space is at a premium, from home upgrades to commercial electrical rooms.

Why this Siemens breaker stands out

• Space-conscious molded case design: Specifically crafted to optimize panel utilization, allowing more usable room for conductors and components without compromising protection.
• Thermal-magnetic trip unit: Delivers stable, repeatable protection by responding to both overloads and short circuits, reducing nuisance trips while ensuring rapid isolation during faults.
• OEM-compatible performance: Designed to drop into matching Siemens OEM loadcenters and panelboards, ensuring proper fit, alignment, and coordinated protection characteristics.
• Versatile application range: Suitable for residential, commercial, and light industrial environments where reliable branch-circuit protection is essential.

Technical specifications

• Manufacturer: Siemens
• Part Number: U01JLD6
• Type: Thermal-magnetic molded case circuit breaker
• Voltage Rating: 120 V
• Application: Branch circuit overcurrent and short-circuit protection

Ideal uses and practical guidance

− For new installations or upgrades in residential panels, this unit provides dependable protection where space is constrained and reliability is non-negotiable.

− In commercial and light industrial settings, it supports distributed circuits with predictable trip characteristics, helping to safeguard equipment and maintain uptime.

− When replacing an existing Siemens breaker, prefer the U01JLD6 to preserve compatibility with the original panel’s bus stabs and mounting configuration, ensuring a seamless fit and consistent protection profiles.

How it helps you compare and decide

If you’re choosing between breakers for a Siemens panelboard or loadcenter, the U01JLD6 offers tight integration with Siemens OEM hardware, which translates to reliable mechanical fit, coordinated trip performance, and straightforward maintenance—without the guesswork of aftermarket alternatives.

With Siemens U01JLD6, you’re selecting a purpose-built, 120 V molded case solution designed to protect circuits efficiently while preserving valuable panel space and ensuring compatibility with your Siemens distribution equipment.