LV431480
LV431480 - schneider
trip unit MicroLogic 2.2 for ComPact NSX 250 circuit breakers, electronic, rating 250A, 4 poles 4d
stock : 9
description
This Micrologic 2.2 is a 4 poles 4d electronic trip unit used on Compact NSX 250 circuit breakers. This 250A rating electronic trip unit is an optimum choice for all standard and specific applications. It embeds an adjustable long time protection against overloads. It provides also an adjustable short-time protection and a fixed instantaneous protection against short-circuits. Micrologic 2.2 indicates overloads with Alarm LEDs. The green Ready LED flashes if the circuit breaker is ready to trip. This product is part of our EcoStruxure Power architecture if associated with PowerTag NSX and Compact NSX basic frame.
Specifications Main
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 Number of poles 4P Protected poles description 4t
3t + N/2
3tNeutral 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 protectionTrip unit rated current 250 A at 40 °C [Ue] rated operational voltage 690 V AC 50/60 Hz network type AC Network frequency 50/60 Hz 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 Irthermal 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 [tsd] Short-time protection delay adjustment range 0.02 s Instantaneous protection pick-up adjustment type Ii Fixed [Ii] instantaneous protection pick-up adjustment range 3000 A Earth-leakage protection Without Neutral protection settings 0.5 x Ir (3t + N/2)
1 x Ir (4t)
No protection (3t)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 overloadEnvironment
Standards UL 508
EN/IEC 60947-2Product certifications CCC
Marine
EACAmbient 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 6.5 cm Package 1 Width 9.2 cm Package 1 Length 15.0 cm Package 1 Weight 570.0 g Unit Type of Package 2 S03 Number of Units in Package 2 23 Package 2 Height 30.0 cm Package 2 Width 30.0 cm Package 2 Length 40.0 cm Package 2 Weight 13.6 kg Contractual warranty Warranty 18 months Show less specifications
Sustainability