This MicroLogic 2.3 is a 4-pole, 4-pole electronic circuit breaker used on ComPacT NSX 630 circuit breakers.

This 630A electronic circuit breaker is the optimal choice for all standard and specific applications

It incorporates adjustable long-time protection against overloads. It also provides adjustable short-time protection and fixed instantaneous short-circuit protection

MicroLogic 2.3 signals overloads with alarm LEDs. The green Ready LED flashes if the switch is ready for action. This product is part of our EcoStruxure Power architecture when combined with the PowerTag NSX and ComPacT NSX base frame.

Features:

• Description protected poles: 3D + N/2 - 4D - 3D
• Neutral position: Left
• Trip protection functions: LSoI
• Thermal protection setting type Ir: Adjustable, 9 values
• Thermal protection regulation: 250 to 630A
• Thermal protection timing type tr: Fixed
• Long delay protection timing: 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")
• Thermal memory: 20 min before and after shooting
• Short delay protection adjustment type Isd: Adjustable, 9 values
• Short delay protection adjustment: 1.5...10 x Ir
• Short delay protection timing type tsd: Fixed
• Instantaneous protection setting type Ii: Fixed
• Instantaneous protection setting: 6900A
  
  

Local signaling:

• LED flashing (green) ready to operate
• LED 105% Ir (red) Overload
• LED 90% Ir (orange) Overload
  
  

Protection type:

• Overload protection (prolonged)
• Short-time short-circuit protection with fixed delay
• Instantaneous short-circuit protection