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trip unit MicroLogic 2.3 AB for ComPact NSX 400/630 circuit breakers, electronic, rating 400 A, 4 poles 4d - LV434557

LV434557

Obsolete product, here is the proposed substitution for the reference LV434557 : C4042B400
Technical informations
Range: ComPact
Range of product: ComPact NSX400...630
Product name: Micrologic
Product or component type: Trip unit
Trip unit name: Micrologic 2.3 AB
Trip unit technology: Electronic
Range compatibility: ComPact NSX400ComPact NSX630
Device application: Special application
Poles description: 4P
Protected poles description: 4t3t + N/23t
Neutral position: Left
Trip unit protection functions: LSoI
Protection type: L
[In] rated current: 400 A at 40 °C
[Ue] rated operational voltage: 690 V AC 50/60 Hz
Network type: AC
Network frequency: 50/60 Hz
Long time pick-up adjustment type Ir: Adjustable
Long time pick-up adjustment range: 260...400 A
Long time delay adjustment type: Fixed
[tr] long-time delay adjustment range: 15 s at 1.5 x Ir0.35 s at 7.2 x Ir0.5 s at 6 x Ir
Thermal memory: 20 minutes before and after tripping
Short-time pick-up adjustment type Isd: Adjustable 9 settings
[Isd] short-time pick-up adjustment range: 1.5...10 x Ir
Short-time delay adjustment type: Fixed
[tsd] short-time delay adjustment range: 0.02 s
Instantaneous pick-up adjustment type Ii: Fixed
Instantaneous pick-up adjustment range: 4800 A
Earth-leakage protection: Without
Neutral protection setting: 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 operateLED 105 % Ir (red) for overloadLED 90 % Ir (orange) for overload
In short
Reference LV434557
Product Name trip unit MicroLogic 2.3 AB for ComPact NSX 400/630 circuit breakers, electronic, rating 400 A, 4 poles 4d - LV434557
Device function Branchement
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