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Siemens Other 3VL4740-1AA36-0AA0

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3VL4740-1AA36-0AA0

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The product known as the 3VL4740-1AA36-0AA0 from Siemens is a robust circuit breaker designed without an electronic trip unit. It features a significant breaking capacity of 55 kA at 415 VAC, making it suitable for high-demand applications. Capable of handling a rated current of 400 A, it operates efficiently under a maximum voltage of 690 VAC.

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Technical specifications for 3VL4740-1AA36-0AA0

ManufacturerSiemens
Product LineOther
Part Number3VL4740-1AA36-0AA0
EAN4011209655409
Weight11.00 lbs (4.99 kg)
ProductCircuit Breaker VL400N without Electronic Trip Unit
Breaking Capacity55 kA at 415 VAC
Number of Poles3
Electrical Endurance10,000 cycles
Mechanical Service Life20,000 cycles
Usage CategoryA
Performance ClassN
Rated Current400 A
Rated Operational Voltage690 VAC
Insulation Voltage800 VAC
Surge Voltage Resistance8 kV
Protection ClassIP20
Continuous Current400 A
Derating Temperature50 °C
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Siemens’ 3VL4740-1AA36-0AA0 is a circuit breaker designed for reliable performance in demanding electrical environments. The device operates efficiently at a rated current of 400 A, supporting a rated operational voltage of 690 VAC. Its capacity to break currents reaches 55 kA at 415 VAC, ensuring adequate protection against overloads and faults. It consists of three poles, enhancing its compatibility in multi-phase systems.

Engineered for durability, this model boasts an electrical endurance of up to 10,000 cycles, along with a mechanical lifecycle of 20,000 cycles. It is classified under usage category A, suitable for standard applications, and falls within performance class N. The circuit breaker's insulation voltage reaches 800 VAC, and it is capable of withstanding surge voltages of 8 kV, which is essential for safeguarding your systems against transient spikes.

The IP20 protection class confirms that this circuit breaker is designed for indoor applications where it is protected from solid objects larger than 12 mm but not from moisture. Weighing 4.905 kg (10.81 lbs), the 3VL4740-1AA36-0AA0 is a manageable component for installation. Finally, it is rated for a derating temperature of 50 °C, providing operational reliability within this thermal range.