Allen-Bradley 1489-M D25A 3-Pole 25A Miniature Circuit Breaker, D-Curve Thermal-Magnetic

Allen-Bradley 1489-M D25A D-Curve 3-Pole Industrial Circuit Protection

The Allen-Bradley 1489-M D25A miniature circuit breaker is part of the Bulletin 1489-M series, engineered to provide dependable branch circuit protection in industrial electrical systems. This 3-pole, 25 amp breaker uses a D-curve thermal-magnetic trip mechanism designed for circuits with high inrush current conditions.

D-Curve Thermal-Magnetic Protection Design

• 25 amp rated current for industrial branch circuits
• Three-pole configuration for multi-phase protection
• D-curve trip characteristic for high inrush loads
• Thermal-magnetic tripping for overload and short-circuit protection

Industrial-Grade Construction and Mounting

This breaker features a current-limiting design with fast breaking times to minimize fault energy. Its construction offers resistance to shock and vibration, supporting reliable operation in demanding industrial environments.

Industrial Application Use Cases

• Motor-driven industrial equipment branch circuits
• Transformer-fed electrical distribution systems
• Industrial control panels requiring DIN rail protection