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LDL36400CU31X
The LDL36400CU31X circuit breaker by Schneider Electric is configured with three poles and is rated for a continuous current of 400 amps. It operates effectively at a voltage of 600 VAC and is designed to function within a frequency range of 50/60 Hz. This model includes a MicroLogic 3.3 electronic trip unit to ensure accurate performance under load.
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Technical specifications for LDL36400CU31X
| Manufacturer | Schneider Electric |
|---|---|
| Product Type | Circuit breaker |
| Product Line | PowerPact |
| Part Number | LDL36400CU31X |
| UPC | 785901626664 |
| Weight | 17.00 lbs (7.71 kg) |
| Poles | 3‑pole configuration |
| Rated current | 400 A continuous |
| Operating voltage | 600 VAC (50/60 Hz) |
| Frequency band | 50/60 Hz |
| Interrupting capacity | 14 kA at 600 VAC (UL 489) |
| Service breaking rating | 14 kA at 500/525 VAC |
| Impulse withstand voltage (Uimp) | 8 kV per IEC 60947‑2 |
| Insulation voltage (Ui) | 750 V |
| Trip unit | MicroLogic 3.3 electronic |
| Continuous duty | 100 % rating |
| Connection method | Lugs (line/load), AWG 2/0–500 kcmil |
| Operator | Toggle actuator |
| Auxiliary module slots | Up to 2 plug‑in slots |
| Operating temperature range | –25 °C to 70 °C |
The Schneider Electric LDL36400CU31X circuit breaker is designed for reliable operation in demanding environments. With a robust 3-pole configuration, it ensures a continuous current capacity of 400 amps. This circuit breaker is rated for 600 VAC operating voltage and functions within a frequency range of 50/60 Hz.
The interrupting capability of this breaker is rated at 14 kA at 600 VAC, verified to comply with UL 489 regulations. Additionally, it presents a service breaking capacity of 14 kA for voltages from 500 to 525 VAC, enhancing its utility in a variety of applications.
User safety is prioritized with an impulse withstand voltage of 8 kV per IEC 60947-2, alongside an insulation voltage of 750 V. The MicroLogic 3.3 electronic trip unit facilitates precise operational control. Engineered for continuous duty, the LDL36400CU31X maintains a 100% rating under normal conditions.
For connection, the breaker supports lugs for both line and load configurations, accommodating wire sizes of AWG 2/0 to 500 kcmil. The toggle actuator serves as the operator interface, ensuring easy manual control.
Furthermore, the design allows for the addition of up to two auxiliary modules via plug-in slots. It is also capable of operating across a wide temperature range, from -25 °C to 70 °C, making it suitable for various installation conditions.
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