Siemens 3RV1042-4DA10 - 18-25A, Molded Case Circuit Breaker

Introducing the Siemens 3RV1042-4DA10, a purpose-built molded case circuit breaker engineered for dependable overcurrent protection in demanding electrical environments. With a current rating range of 18–25 A, this unit is designed to shield your equipment from faults while fitting neatly into compact control spaces.

Designed for robust integration in panelboards, switchboards, control panels, and OEM equipment, the 3RV1042-4DA10 delivers reliable protection where it matters most—inside distribution panels and motor control centers. Its molded case construction provides a durable, compact solution that stands up to routine maintenance and the rigors of industrial operation.

Key features

• Current rating range: 18–25 A — precise protection tailored to your circuit load and motor start-up profiles.
• Molded case construction — a rugged, compact housing that withstands industrial environments and simplifies panel installation.
• Versatile installation — suitable for panelboards, switchboards, control panels, and OEM equipment, making it a versatile choice for new builds or upgrades.
• Reliable Siemens engineering — consistent trip behavior and dependable performance within Siemens electrical ecosystems.

Ideal use cases

• Industrial facilities with distributed motor loads needing dependable protection in motor control centers
• Commercial electrical rooms where space is at a premium and protection must be both compact and reliable
• OEM equipment assemblies requiring a trusted, easily replaceable overcurrent protective device

Why this breaker stands out

• Targeted protection for circuits that operate around 18–25 A, helping prevent nuisance trips while safeguarding wiring and devices
• Durable housing reduces wear from frequent access and environmental exposure in harsh settings
• Seamless compatibility with existing Siemens panels and control systems, simplifying maintenance and part sourcing

Practical guidance

• Match your circuit load to the 18–25 A rating to ensure optimal protection without unnecessary interruption
• Plan replacement or upgrades within existing Siemens infrastructure to minimize downtime and maintain system integrity
• Keep a small inventory of compatible breakers on hand for quick service in critical facilities

For professionals seeking a compact, reliable overcurrent protection solution, the Siemens 3RV1042-4DA10 delivers clear value in industrial distribution panels and motor control centers. It’s engineered for durability, ease of integration, and predictable protection where your equipment needs it most.