Micrologic 2.0 is an electronic trip unit used on Compact NS630b to NS3200 circuit breakers. This control unit has a basic protection and is designed to protect power circuits and loads. It embeds adjustable long time protection against overloads. It provides also adjustable instantaneous protection against short-circuits. Micrologic 2.0 indicates overloads with an Alarm LED. This trip unit can be associated with Compact NS basic frame.
| Range | ComPacT |
|---|---|
| Range of product | ComPacT NS630b…1600 new generation |
| Product or component type | Trip unit |
| Trip unit name | MicroLogic 2.0 |
| Trip unit technology | Electronic |
| Range compatibility | ComPacT new generation NS630b…1600 |
| Device application | Distribution |
| Number of poles | 4P 3P |
| Protected poles description | 4t 3t 3t + N/2 |
| Trip unit protection functions | Basic protection |
| Protection type | for overload protection (long time) for instantaneous short-circuit protection |
| Trip unit rating | 630 A at 50 °C 800 A at 50 °C 1000 A at 50 °C 1250 A at 50 °C 1600 A at 50 °C 2000 A at 50 °C 2500 A at 50 °C 3200 A at 50 °C |
| network type | AC |
| Network frequency | 50/60 Hz |
| Circuit breaker mounting mode | Fixed Drawout |
| Long-time pick-up adjustment type Ir (thermal protection) | Adjustable 9 settings |
|---|---|
| [Ir] long-time protection pick-up adjustment range | 0.4…1 x In |
| Long-time protection delay adjustment type tr | Adjustable 9 settings |
| [tr] long-time protection delay adjustment range | 0.7…16.6 s at 7.2 x Ir 0.5…24 s at 6 x Ir 12.5…600 s at 1.5 x Ir |
| Thermal memory | 20 mn |
| Instantaneous protection pick-up adjustment type Ii | Adjustable 9 settings |
| [Ii] instantaneous protection pick-up adjustment range | 1.5…10 x Ir |
| Earth-leakage protection | Without |
| Zone selective interlocking ZSI | Without |
| Local signalling | 3 LEDs (red) for electrical fault 1 LED (red) for internal error |
| ambient air temperature for operation | -25…70 °C |
|---|---|
| Ambient air temperature for storage | -50…85 °C |
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