C40S3 Schneider Electric - ComPacT NSX400S Molded Case Circuit Breaker. ComPacT NSX400S series 3-pole molded case circuit breaker rated for 400A with 100 kA breaking capacity at 415V. Supplied without trip unit for flexible configuration. Features toggle control and high breaking capacity for demanding industrial applications.
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Brand: Schneider Electric
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Category: Molded Case Circuit Breaker
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Series: ComPacT NSX
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Product Type: Molded case circuit breaker (without trip unit)
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Number of Poles: 3
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Rated Current: 400 A at 40 degrees C
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Breaking Capacity Code: S (100 kA at 415V)
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Breaking Capacity at 220/240V: 120 kA
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Breaking Capacity at 380/415V: 100 kA
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Breaking Capacity at 440V: 90 kA
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Breaking Capacity at 690V: 25 kA
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Rated Voltage: 690 V AC 50/60 Hz
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Insulation Voltage: 800 V AC
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Impulse Withstand Voltage: 8 kV
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Control Type: Toggle switch
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Mounting: Fixed, backplate
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Mechanical Durability: 15,000 cycles
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Dimensions (W x H x D): 140 x 255 x 110 mm
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Standards: EN/IEC 60947-2, UL 508, CCC, EAC
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Suitability for Isolation: Yes
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Utilisation Category: Category A
Designed for industrial power distribution requiring high breaking capacity. Suitable for manufacturing facilities, data centers, and critical infrastructure where 100 kA fault current interruption is required.