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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