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Siemens Accessories 3VL4740-1DC36-0AA0

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3VL4740-1DC36-0AA0

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Siemens' part number 3VL4740-1DC36-0AA0 is a molded case circuit breaker designed for robust industrial applications. This device is rated for a current of 400 A and can operate at 415 V AC. With a breaking capacity of 55 kA, it is well-suited for demanding environments.

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Technical specifications for 3VL4740-1DC36-0AA0

ManufacturerSiemens
Product LineAccessories
Part Number3VL4740-1DC36-0AA0
EAN4011209486140
Weight13.56 lbs (6.15 kg)
Module DescriptionMolded Case Circuit Breaker
Rated Current (In)400 A
Rated Voltage (Ue)415 V AC
Number of Poles3
Breaking Capacity (Icu)55 kA at 415 V AC
Overload Protection Setting (Ir)320–400 A
Short-Circuit Protection Setting (II)2000–4000 A
Trip Unit TypeTM LI (Thermal-Magnetic, Long-Time Inverse)
ApplicationsIndustrial power distribution, motor protection
CompatibilityLow-voltage switchgear systems
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The Siemens 3VL4740-1DC36-0AA0 circuit breaker is engineered specifically for reliability in challenging settings. Designed as a molded case circuit breaker, it is rated for a maximum current of 400 A, ensuring it can handle substantial electrical demands. Operating at a nominal voltage of 415 V AC, this unit achieves a notable breaking capacity of 55 kA, allowing it to effectively interrupt fault conditions.

It comprises three poles and features a trip unit that employs a thermal-magnetic mechanism. The overload protection settings are adjustable between 320 A and 400 A, accommodating various operational requirements. Additionally, the short-circuit protection ranges from 2000 A to 4000 A, providing flexibility in settings to safeguard connected equipment.

The physical dimensions of the breaker are 179 mm in height, 371 mm in width, and 167 mm in depth, translating to approximately 7.05 x 14.61 x 6.57 inches. It is relatively lightweight, weighing 6.15 kg or about 13.56 lbs, making installation manageable.

This circuit breaker finds applications primarily in industrial power distribution and motor protection, making it an essential component for ensuring reliable electrical operations. Compatibility with low-voltage switchgear systems further enhances its versatility in various configurations.