Allen-Bradley 1492-CB3H050 5A 3-Pole 480 V Circuit Breaker

Meet the Allen-Bradley 1492-CB3H050, a purpose-built circuit breaker designed for demanding 3-phase environments. With a 5-ampere nominal rating and a 3-pole construction, this unit delivers precise protection for low-to-moderate current circuits in industrial control panels and automation racks operating at up to 480 volts.

Why the 1492-CB3H050 stands out

• Three-pole reliability: Simultaneous interruption across all three phases ensures consistent protection for balanced 3-phase systems, reducing the risk of unbalanced faults harming equipment.
• Compact, industrial design: Built to withstand the rigors of factory floors, this breaker fits standard control enclosures and panels where space and dependable protection matter.
• Specific 5 A protection: Ideal for low- to mid-current control circuits, sensors, and automation components where precise overcurrent protection preserves equipment life and reduces nuisance tripping.
• Strict compatibility: Part number 1492-CB3H050 ensures a direct, reliable fit within Allen-Bradley-based control architectures, supporting streamlined maintenance and replacement.

Perfect use cases

• Control panels for conveyors, pumps, and small automation circuits operating on 480 V three-phase power.
• Machine enclosures where sensitive automation components require reliable overcurrent protection without oversizing the breaker.
• New installations or modernizations in which a trusted Allen-Bradley solution is preferred for long-term availability and spare-part compatibility.

Installation and practical considerations

Designed for environments where durability matters, the 1492-CB3H050 is intended for use in compatible industrial panels that support 3-pole 480 V protection devices. When replacing or upgrading, verify that the circuit rating aligns with the connected load and that the enclosure and bus systems accommodate three-pole devices. Regular inspection during maintenance cycles helps ensure secure connections and consistent trip performance.

What you gain with this model

• Clear, predictable protection for three-phase circuits at 480 V, minimizing the risk of damage from overcurrents.
• Reliability you can count on in industrial settings, backed by Allen-Bradley’s engineering lineage and availability of compatible parts.
• Simplified maintenance and compatibility within existing Allen-Bradley control architectures, reducing downtime during replacements.

Specifications at a glance

• Part Number: 1492-CB3H050
• Current Rating: 5 A
• Poles: 3
• Voltage Rating: 480 V