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Siemens NXD63B120 circuit breaker 3P – New In Box
The Siemens NXD63B120 is a 1200A, 3-pole molded case circuit breaker from the Sentron series, engineered for reliable overcurrent protection in demanding commercial and industrial three-phase systems up to 600V AC.
$3,300.00
2 in stock
Description
Product Description
The Siemens NXD63B120 is a heavy-duty, three-pole molded case circuit breaker from the Siemens Sentron series. Engineered for demanding industrial and commercial environments, this ND-frame breaker provides reliable overcurrent protection for three-phase electrical systems. It features a thermal-magnetic trip mechanism with non-interchangeable units, reverse feed capabilities, and robust bolt-on mounting designed for switchboards, panelboards, and motor control centers.
Technical Specifications
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Manufacturer: Siemens
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Product Family: Sentron Series
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Catalog / Part Number: NXD63B120
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Frame Type: ND Frame
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Amperage Rating: 1200 A
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Voltage Rating: 600V AC / 500V DC
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Number of Poles: 3-Pole (3-Phase)
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Trip Unit Type: Thermal-Magnetic (Non-Interchangeable)
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Trip Functions: LI (Long-Time and Instantaneous)
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Interrupting Capacity (AIC Ratings):
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65kA at 240V AC
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50kA at 480V AC
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25kA at 600V AC / 500V DC
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Mounting Style: Bolt-On
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Ambient Temperature: 40°C
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Certifications / Standards: UL 489, CSA C22.2 No. 5, NEMA AB 1, IEC 60947-2, HACR Rated