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Siemens VL Series NGB3B015B

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NGB3B015B

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The Siemens NGB3B015B is a molded case circuit breaker designed for industrial applications, featuring a frame type classified as G Frame. Rated for 15 Amperes, it operates efficiently at a voltage of 480Y/277 Volts AC and is assessed for three-phase systems.

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Technical specifications for NGB3B015B

ManufacturerSiemens
Product TypeMolded Case Circuit Breaker
Product LineVL Series
Part NumberNGB3B015B
GTIN00 783643413511
Frame TypeG Frame
Voltage Rating480Y/277 Volts AC
Current Rating15 Amperes
Poles3 Poles
Phase3 Phase
Trip UnitThermal Magnetic
Trip FunctionLong time overload + instantaneous short circuit
MountingBolt On
Wire Size14-10 AWG
Interrupting Capacity25 kA at 480 Volts, 14 kA at 600 Volts, 100 kA at 240 Volts
CertificationUL, CSA, HACR
Operating Temperature-25 to 70 degrees Celsius

The NGB3B015B molded case circuit breaker from Siemens belongs to the VL Series. This highly functional device is categorized under the G Frame type. Engineered to manage a current rating of 15 Amperes, it operates effectively at a voltage of 480Y/277 Volts AC, aligning with the requirements of industrial three-phase systems.

The circuit breaker incorporates three poles and features a thermal magnetic trip unit. This design ensures that the unit can handle long-time overloads and activate instantaneously in case of short circuits, safeguarding electrical systems from disruptions. The mounting style is bolt-on, simplifying installation processes.

For wiring, the NGB3B015B supports cable sizes in the range of 14 to 10 AWG, providing flexibility in integration. The interrupter capacity is particularly noteworthy, rated at 25 kA for 480 Volts, 14 kA at 600 Volts, and an impressive 100 kA at 240 Volts, making it suitable for high-demand applications. The device is UL, CSA, and HACR certified, ensuring compliance with widely recognized safety standards. Additionally, it is designed to operate in a temperature range from -25 to 70 degrees Celsius, covering various environmental conditions.