Allen-Bradley 1489M1D030 3A 1-Pole 240 V Circuit Breaker

Meet the Allen-Bradley 1489M1D030—a compact yet dependable circuit breaker engineered for single‑phase protection in demanding industrial environments. With a 3 A rating, 1 pole, and 240 V maximum, this unit delivers precise overcurrent protection for critical control circuits and small load applications, helping to prevent equipment damage and downtime.

• Part Number: 1489M1D030
• Current rating: 3 A
• Poles: 1
• Voltage rating: 240 V

Ideal applications include control panels, instrumentation racks, and other 240 V single‑phase circuits within automated systems. This breaker is a practical choice when you need reliable, predictable protection for sensitive loads such as sensors, actuators, relays, and small control devices without overprotecting them.

Why choose the 1489M1D030

• Targeted protection: A 3 A rating prevents nuisance trips on low‑current control circuits while still interrupting faults effectively.
• Simple, single‑pole design: Straightforward installation for 240 V single‑phase circuits, with clear isolation of the affected line in fault conditions.
• Trusted Allen‑Bradley build quality: Rigorously manufactured to endure the rigors of industrial environments and provide dependable operation over time.
• Seamless compatibility for replacements: Designed to integrate smoothly with existing 1489‑series installations and panel configurations that require a 1‑pole, 240 V device.

Practical tips for maximizing performance: verify that this breaker’s specifications align with your panel’s accepted breaker family and the connected load’s current profile; ensure correct torque on terminals per your panel documentation; label the circuit clearly to support safe maintenance and quick fault diagnosis.

Whether you’re upgrading an aging control panel or stocking spare parts for reliable, long‑term operation, the Allen-Bradley 1489M1D030 delivers focused protection where it matters most—protecting circuit integrity, reducing downtime, and keeping automation running smoothly.