Siemens 3WB1561 Air Circuit Breaker For Low Voltage Power Distribution In Industrial And Commercial Facilities

The Siemens 3WB1561 Air Circuit Breaker is a heavy‑duty solution designed to protect and switch low‑voltage power distribution in demanding industrial and commercial facilities. Built for reliability, this unit powers main incoming feeders, switchboards, and critical distribution paths with precision and ease.

• Adjustable trip settings: customize the breaker to your protection scheme, enabling selective coordination with upstream and downstream devices and minimizing unnecessary outages.
• High interruption capacity: engineered to safely interrupt fault currents in busy, high‑demand environments, helping to safeguard downstream equipment and maximize uptime.
• Versatile for essential distribution: an ideal choice for main feeders and switchboards where robust protection and dependable operation are crucial.
• Industrial‑grade durability: built to withstand the rigors of continuous operation across industrial and commercial facilities, backed by Siemens’ long‑standing reliability.

Use cases you’ll value include protecting service entrances to prevent cascade outages, safeguarding critical circuits powering manufacturing lines, data centers, or large office complexes, and coordinating with other protective devices to achieve fast, selective tripping with minimal disruption.

What makes the 3WB1561 different? It combines precise, adjustable protection with a high‑capacity interrupting design in a compact, reliable package. By aligning with Siemens low‑voltage distribution architectures, it supports streamlined installation, easier maintenance, and consistent performance across your protection strategy.

Specifications at a glance: Model/Part Number — 3WB1561; Breaker Type — Air Circuit Breaker; Application — Low‑voltage power distribution in industrial and commercial facilities.