Siemens ITE 15 Amp 3 Pole Type CU-AL Circuit Breaker LR14374 240VAC

Meet the Siemens ITE LR14374: a 15 Amp, 3-Pole CU-AL Circuit Breaker designed to deliver dependable 240V protection in demanding electrical environments. Built for reliability across industrial, commercial, and challenging residential applications, this unit serves as a trusted option for panel upgrades, retrofit projects, and maintenance replacements where steady performance matters.

• 15 A at 240 VAC
• 3-Pole design suitable for multi-wire circuits and three-phase or shared-neutral applications
• Type CU-AL, compatible with copper or aluminum wiring
• perfect for panel upgrades, retrofit work, and stock for service and maintenance crews
• part of Siemens ITE’s proven protection offering for demanding environments

Who benefits: electricians, panel builders, and MRO teams seeking a reliable, easily sourced component that supports quick replacements and consistent electrical protection in busy environments.

Real-world scenarios:

• Upgrading a distribution panel in a commercial space to improve circuit protection without rewiring the entire setup.
• Replacing aging breakers in an industrial control panel where copper or aluminum wiring is present, minimizing compatibility concerns.
• Maintaining stocked spares for field service teams to minimize downtime during routine service calls or emergency fixes.

Why this breaker stands out: the LR14374 combines a compact 3-pole footprint with copper-aluminum compatibility, simplifying wiring choices in mixed-wire environments. Its 15 A rating at 240 VAC makes it a versatile choice for branch circuits across a range of commercial and light industrial applications, while Siemens’ ITE heritage provides confidence in long-term reliability and consistent performance.

Installation and compatibility tips: use this CU-AL rated unit in panels designed for Siemens ITE CU-AL breakers, confirm the 3-pole 240V rating matches the intended circuit, and follow standard safety practices. When replacing older components, ensure wiring gauge and panel manufacturer guidelines are observed, and verify labeling on the breaker matches the application requirements.