Allen-Bradley 1492-CB1G020-H1 2A 1-Pole 480 V Circuit Breaker

Meet the Allen-Bradley 1492-CB1G020-H1 — a purpose-built 2 A, 1-pole circuit breaker crafted for reliable protection in demanding 480 V environments. This OEM-grade device is designed to safeguard small power and control circuits with precise trip characteristics, giving you peace of mind in every startup and shutdown cycle.

• Current rating: 2 A — calibrated to trip when the load exceeds safe limits, protecting wires, relays, and sensitive components without nuisance trips.
• Poles: 1 — compact, space-saving form factor ideal for single-circuit protection in tight control panels and machinery enclosures.
• Voltage rating: 480 V — suited for industrial distribution and machine circuits common in manufacturing, processing, and automation setups.
• Part number: 1492-CB1G020-H1 — a precise replacement part that ensures compatibility with legacy Allen-Bradley installations and compliant panel assemblies.

Why this breaker stands out

Among single-pole protection options, the 1492-CB1G020-H1 delivers dependable, repeatable trip behavior that mechanics and electricians trust in the field. The 1492 series lineage from Allen-Bradley is synonymous with robust construction, consistent performance, and ease of maintenance in industrial settings. This specific 2 A, 1-pole variant provides targeted protection for subcircuits and control loops, helping prevent overheating, insulation damage, and unexpected downtime.

Ideal use cases

• Protect small control circuits, instrumentation lines, and timer/logic circuits within 480 V panels.
• Replace worn or failed breakers in legacy Allen-Bradley installations without requiring panel rewiring.
• Support machine startup sequences and safety circuits where precise current limits are critical.
• Serve as a reliable, space-efficient option in compact control enclosures or multiplexed distribution boards.

Practical guidance for installation and operation

Before installation, verify that the circuit load remains within the 2 A rating and that the panel accommodates a 1-pole, 480 V device. Use standard electrical practices for securing connections and ensuring proper torque on terminal lugs. Keep a spare 1492-CB1G020-H1 on hand for quick replacement in preventive maintenance cycles, reducing equipment downtime during line outages or routine servicing.

Designed for professionals who demand durable protection without complexity, the Allen-Bradley 1492-CB1G020-H1 2A 1-Pole 480 V Circuit Breaker pairs precise protection with straightforward replacement, making it a dependable choice for industrial control panels, legacy systems, and new installations that require solid, trustworthy circuit protection.