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The Schneider Electric LJA36400CU33X is a molded-case power breaker suitable for a variety of applications. This unit features three poles, operating at a continuous duty current of 400 A, supporting a voltage rating of 600 VAC at both 50 and 60 Hz frequencies.
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| Manufacturer | Schneider Electric |
|---|---|
| Product Type | Molded-case power breaker |
| Product Line | PowerPact |
| Part Number | LJA36400CU33X |
| UPC | 785901093466 |
| Weight | 19.00 lbs (8.62 kg) |
| Pole Count | 3 poles |
| Nominal Current | 400 A continuous duty |
| Unit Mass | 6.2 kg (13.7 lb) |
| Overall Dimensions | 340 × 140 × 110 mm |
| Surge Voltage Capability | 8 kV impulse withstand |
| Voltage Rating | 600 VAC at 50/60 Hz |
| UL Interrupt Rating | 100 kA @ 240 VAC, 65 kA @ 480 VAC, 25 kA @ 600 VAC |
| IEC Service Interrupt Rating | 65 kA @ 220–240 VAC, 35 kA @ 380–440 VAC |
| Protection Unit | MicroLogic 3.3 S electronic trip |
| Duty Cycle | 100% of rated current |
| Network Interface | Ethernet-based Modbus |
| Mounting Configuration | I-Line plug-in |
| Insulation Withstand | 750 V |
The LJA36400CU33X power breaker from Schneider Electric belongs to the PowerPact series, specifically engineered for diverse electrical applications. Recognized as a molded-case power breaker, this model is equipped with three poles and is rated for continuous duty at 400 A, providing reliable current management.
With its robust design, the unit has a mass of 6.2 kg (13.7 lb) and measures 340 mm in height, 140 mm in width, and 110 mm in depth, making it suitaale for installations in confined spaces. It boasts a remarkable surge voltage capability, rated at 8 kV impulse withstand, ensuring the device can handle transient events effectively.
The unit supports a voltage rating of 600 VAC across both 50 and 60 Hz operational frequencies. Additionally, the UL interrupt rating specifies its performance in fault conditions: 100 kA at 240 VAC, 65 kA at 480 VAC, and 25 kA at 600 VAC, ensuring safety under extreme conditions. For international standards, the IEC rating indicates an interrupt capacity of 65 kA at 220–240 VAC and 35 kA at 380–440 VAC.
A MicroLogic 3.3 S electronic trip unit enhances protection by allowing precise setting adjustments. The breaker is designed for a 100% duty cycle under rated conditions, ensuring reliability during prolonged usage. Connectivity is facilitated through an Ethernet-based Modbus network interface, allowing for easy integration into advanced monitoring systems.
The mounting configuration for this breaker is I-Line plug-in, simplifying installation and maintenance. Furthermore, the insulation withstand voltage is rated at 750 V, which provides additional safety assurance in high-voltage applications. Overall, the LJA36400CU33X is a versatile choice for applications requiring robust circuit protection.