Circuit breaker, 4-pole, 250/160A, 50kA, system, cable, selective and generator protection, plug-in cartridge 113281

The circuit breakers of the NZM..-VE series are suitable for all applications and the IEC market with just four compact sizes. Assembly is always flexible with modular functional groups. With electronic trip unit for plant and cable protection, selective and generator protection, time-delayed overload and time protection and non-delayed short-circuit protection. Tips: RMS and thermal memory measurement, adjustable time delay setting tr: 2-20s at 6xIr and infinity (without overload release), adjustable delay time tsd: steps: 0, 20, 60, 100, 200, 300, 500, 750 , 1000ms, i2t-constant function: permanent OFF the setting value in the neutral conductor is synchronous to the setting value of the external conductor lr.