trip unit MicroLogic 2.2 for ComPacT NSX 250 circuit breakers, electronic, rating 250A, 4 poles 4d - Image 1

trip unit MicroLogic 2.2 for ComPacT NSX 250 circuit breakers, electronic, rating 250A, 4 poles 4d

trip unit MicroLogic 2.2 for ComPacT NSX 160/250 circuit breakers, electronic, rating 160A, 3 poles 3d

The MicroLogic 2.2 is a 4-pole, 4D electronic trip unit designed for use with Schneider Electric ComPact NSX250 circuit breakers. With a 250 A current rating, it offers advanced and adaptable protection for a wide range of standard and specialised low-voltage applications.

Key Features:

  • Current Rating: 250 A

  • Protection Functions:

    • Long-Time (Overload): Adjustable

    • Short-Time: Adjustable

    • Instantaneous (Short-Circuit): Fixed

  • Visual Indicators:

    • Alarm LEDs: Illuminate to signal overload conditions

    • Green ‘Ready’ LED: Flashes to indicate the breaker is armed and ready to trip

  • Poles: 4

  • Compatibility: Specifically designed for use with ComPact NSX250 circuit breakers

  • EcoStruxure Ready: Seamlessly integrates with Schneider Electric’s EcoStruxure™ Power architecture when paired with PowerTag NSX and the ComPact NSX basic frame

This trip unit ensures high-performance protection and real-time monitoring, supporting both operational efficiency and electrical safety in demanding environments.

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Description

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 4P
Protected poles description 3D + N/2
4D
3D
Neutral position Left
Trip unit protection functions LSoI
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
Neutral protection settings 0.5 x Ir (3D + N/2)
1 x Ir (4D)
No protection (3D)
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
Environment
Standards EN/IEC 60947-2
Electrical shock protection class Class II
Pollution degree 3 conforming to IEC 60947-1
IP degree of protection IP40 conforming to IEC 60529
Ambient air temperature for operation -25…70 °C
Ambient air temperature for storage -50…85 °C
Packing Units
Unit Type of Package 1 PCE
Number of Units in Package 1 1
Package 1 Height 6.800 cm
Package 1 Width 9.800 cm
Package 1 Length 15.000 cm
Package 1 Weight 563.800 g
Unit Type of Package 2 S03
Number of Units in Package 2 18
Package 2 Height 30.000 cm
Package 2 Width 30.000 cm
Package 2 Length 40.000 cm
Package 2 Weight 10.548 kg
Logistical informations
Country of origin FR
Contractual warranty
Warranty 18 months