Range

MasterPact

Range of product

MasterPact NT UL 489

Product or component type

Control unit

Trip unit name

MicroLogic 5.0 A

Trip unit technology

Electronic

Range compatibility

Masterpact NT08...12 UL 489

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 1200 A at 50 °C

Network type

AC

Network frequency

50/60 Hz

Circuit breaker mounting mode

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 0.7…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

standards

UL 489

Ambient air temperature for operation

-25…70 °C

Ambient air temperature for storage

-40…85 °C

Unit Type of Package 1

PCE

Number of Units in Package 1

1

Package 1 Height

5.5 cm

Package 1 Width

5.0 cm

Package 1 Length

130.0 cm

Package 1 Weight

600.0 g

Warranty

18 months