Hager NQN440 MCB 4P 40A B-līkne 20kA 4M

The Hager NQN440 is a high-performance miniature circuit breaker (MCB) designed for reliable overcurrent protection in electrical installations. With 4 poles, a rated current of 40A, and a B tripping curve, it is ideal for protecting lighting and general-purpose circuits in three-phase systems.

• 4-pole design for three-phase applications
• 40A rated current suitable for high-load circuits
• B-curve for fast response to short circuits
• 20kA breaking capacity ensures safety under fault conditions
• 4 module width for standard DIN rail mounting

This MCB meets international standards and is a trusted choice for commercial and industrial electrical panels.