Micrologic 5.0A (Ammeter) is an electronic trip unit used on Masterpact NW08 to NW63 circuit breakers. This control unit has a selective protection and is designed to protect power circuits and loads. It embeds adjustable long time protection against overloads. It provides also adjustable short-time protection and instantaneous protection against short-circuits. Micrologic 5.0A indicates overloads with an Alarm LED. It is able to display the trip cause through 3 others LEDs. Micrologic 5.0A is equipped with a digital LCD screen that displays the true RMS current values with 1.5% accuracy. This trip unit can be associated with Masterpact NW basic frame.
| Specifications | |
| Main | |
| Range | MasterPact |
| Range of product | MasterPact NW |
| Product or component type | Control unit |
| Trip unit name | MicroLogic 5.0 A |
| Trip unit technology | Electronic |
| Range compatibility | Masterpact NW08…40 |
| Masterpact NW40b…63 | |
| Masterpact NW H10 | |
| Masterpact NW H2 corrosion protection | |
| Device application | Distribution |
| Number of poles | 4P |
| 3P | |
| Protected poles description | 4t |
| 3t | |
| 3t + N/2 | |
| Trip unit protection functions | Selective protection |
| Protection type | for short time short-circuit protection |
| for overload protection (long time) | |
| for instantaneous short-circuit protection | |
| Trip unit rating | 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 | |
| 4000 A at 50 °C | |
| 5000 A at 50 °C | |
| 6300 A at 50 °C | |
| Network type | AC |
| Network frequency | 50/60 Hz |
| Circuit breaker mounting mode | Drawout |
| Complementary | |
| 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 |
| 0.7…24 s at 6 x Ir | |
| 12.5…600 s at 1.5 x Ir | |
| thermal memory | 20 mn |
| 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 | Adjustable |
| [tsd] Short-time protection delay adjustment range | 0…0.4 s I²t=off |
| 0.1…0.4 s I²t=on | |
| Instantaneous protection pick-up adjustment type Ii | Adjustable 9 settings |
| [Ii] instantaneous protection pick-up adjustment range | 2…15 x In |
| Off | |
| Earth-leakage protection | Without |
| Zone selective interlocking ZSI | With |
| Local signalling | 3 LEDs (red) for electrical fault |
| 1 LED (red) for internal error | |
| Display type | Digital display |
| Type of measurement | Ammeter |
| Communication of data | Measurement readout |
| Protection and alarm settings | |
| Environment | |
| Ambient air temperature for operation | -25…70 °C |
| Ambient air temperature for storage | -40…85 °C |
| Packing Units | |
| Unit Type of Package 1 | PCE |
| Number of Units in Package 1 | 1 |
| Package 1 Height | 6.7 cm |
| Package 1 Width | 7.9 cm |
| Package 1 Length | 21.6 cm |
| Package 1 Weight | 369.0 g |
| Contractual warranty | |
| Warranty | 18 months |
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