Allen-Bradley 1489-M1D320 - Miniature Circuit Breaker (MCB)

Meet the Allen-Bradley 1489-M1D320 Miniature Circuit Breaker (MCB) — a compact, dependable protection device engineered for demanding electrical systems. This MCB delivers reliable overcurrent protection and safe operation, helping protect wiring, devices, and control architectures in everyday industrial environments.

Designed to integrate seamlessly in a variety of layouts, this MCB is ideal for panelboards, switchboards, control panels, and OEM equipment. Whether you’re stocking distribution panels, motor control centers, or machine panels in manufacturing settings, the 1489-M1D320 provides consistent performance when protection is critical.

Key advantages

• Dependable overcurrent protection to help prevent damage from overloads and maintain system uptime in industrial and commercial applications.
• Compact, versatile form factor that fits neatly into dense control cabinets and OEM assemblies without sacrificing protection.
• Brand-aligned reliability backed by Allen-Bradley’s legacy in electrical protection and seamless compatibility with automation ecosystems.
• Versatile application support suitable for industrial, commercial, and OEM projects where safe operation in distribution panels and motor control centers is essential.

Ideal use cases

• Protection in panelboards supplying manufacturing lines or critical machinery.
• Safety and protection in switchboards serving HVAC, processing equipment, or conveyor systems.
• Control-panel protection for automated equipment and machinery controllers.
• OEM applications where a reliable, compact MCB is required to meet voltage and current protection needs.
• Motor control centers needing robust, straightforward protection for motor feeders and control circuits.

Specifications snapshot

• Breaker type: Miniature Circuit Breaker (MCB)
• Model: 1489-M1D320

Choosing the Allen-Bradley 1489-M1D320 means opting for a protection device that aligns with established industrial standards, integrates smoothly with existing components, and delivers dependable operation where it matters most. If your goal is durable, straightforward overcurrent protection for distribution panels and motor control centers, this MCB is a focused, reliable choice.