Main

• Range: ComPacT

• Range of product: ComPacT NSX100...250

• Product or component type: Trip unit

• Trip unit name: MicroLogic 2.2

• Trip unit technology: Electronic

• Range compatibility: ComPacT NSX250

• Device application: Distribution

• Poles description: 3P

• Protected poles description: 3D

• Trip unit protection functions: LSol

• Protection type:

• L: for overload protection (long time)

• So: for short time short-circuit protection with fixed delay

• I: for instantaneous short-circuit protection

• Trip unit rating: 250 A at 40 °C

• [Ue] rated operational voltage: 690 V AC 50/60 Hz

• Network type: AC

• Network frequency: 50/60 Hz

• Circuit breaker mounting mode: Fixed

Complementary

• Long-time pick-up adjustment type Ir (thermal protection): Adjustable 9 settings

• [Ir] long-time protection pick-up adjustment range: 100...250 A

• Long-time protection delay adjustment type tr: Fixed

• [tr] long-time protection delay adjustment range:

• 11 s at 7.2 x Ir

• 16 s at 6 x Ir

• 400 s at 1.5 x Ir

• Thermal memory: 20 minutes before and after tripping

• Short-time protection pick-up adjustment type Isd: Adjustable 9 settings

• [Isd] Short-time protection pick-up adjustment range: 1.5...10 x Ir

• Short-time protection delay adjustment type tsd: Fixed

• Instantaneous protection pick-up adjustment type Ii: Fixed

• [Ii] instantaneous protection pick-up adjustment range: 3000 A

• Earth-leakage protection: Without

• Zone selective interlocking ZSI: Without

• Local signalling:

• Flashing LED (green) for ready to operate

• LED 105 % Ir (red) for overload

• LED 90 % Ir (orange) for overload