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Siemens VL Series NGB2B040B

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NGB2B040B

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The Siemens NGB2B040B is a molded case circuit breaker within the VL Series, rated for 40 Amps and designed to operate under a maximum voltage of 480 V. Featuring 2 poles and a thermal magnetic trip type, it ensures reliable protection for electrical circuits against overloads and short circuits.

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Technical specifications for NGB2B040B

ManufacturerSiemens
Product TypeMolded Case Circuit Breaker
Product LineVL Series
Part NumberNGB2B040B
UPC783643414150
Rated Voltage480 V
Trip TypeThermal Magnetic
Number of Poles2 Poles
Frame TypeGB Frame
Rated Current40 A
Interrupt Rating at 240 VAC100 KA
Interrupt Rating at 480 VAC25 KA
Storage Humidity80% (non-Condensing)
Operating Humidity80% (non-Condensing)
Installation Altitude1000 MSL
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The NGB2B040B from Siemens is a molded case circuit breaker that belongs to the VL Series. It can handle a rated voltage of 480 V and provides a rated current capacity of 40 A. The device is designed with two poles to accommodate a variety of wiring configurations. Its trip mechanism is thermal magnetic, providing essential protection against both overload and short circuit conditions.

In terms of performance, this molded case circuit breaker has an interrupt rating of 100 kA at 240 VAC and 25 kA when operated at 480 VAC, indicating its robustness in safeguarding electrical circuits. The unit features a GB frame type, which contributes to its durability and effectiveness in various applications.

Environmental resilience is a defining aspect of this circuit breaker; it is capable of operating effectively under conditions with a maximum humidity of 80%, both during operation and in storage. Additionally, the NGB2B040B can be installed at altitudes reaching up to 1000 meters above sea level without performance degradation. This specification makes it suitable for a diverse range of industrial settings and applications.