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Siemens Q Series Q250

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Q250

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Siemens' Q250 is a molded case circuit breaker designed for reliable electrical protection. It features a 2-pole configuration and operates at a current rating of 50 amps. With a voltage capability of 120/240 VAC, this unit has a commendable interrupting capacity of 10 kA.

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Technical specifications for Q250

ManufacturerSiemens
Product TypeMolded Case Circuit Breaker
Product LineQ Series
Part NumberQ250
UPC783643148642
Weight0.50 lbs (0.23 kg)
Pole2-Pole
Rated Current50 Amps
Voltage Rating120/240 VAC
Interrupting Capacity10 kA
Enclosure RatingNEMA 1/3R
Frequency60 Hz
MountingPlug-in
Frame Size125 A QP frame
Terminal TypeLoad lugs
Operating Temperature Range40°C
Trip RangeLI thermal-magnetic
Wire Size8 AWG

The Siemens Q250, part of the Q Series, serves as a molded case circuit breaker that ensures pivotal circuit protection in various applications. Designed for a dual-pole setup, it is capable of handling a rated current of 50 amps. This device operates efficiently across a voltage range of 120 to 240 VAC, providing the versatility needed in different electrical setups. The circuit breaker boasts an interrupting capacity of 10 kA, which allows it to safely manage fault conditions by breaking the circuit load when necessary.

Encased to meet NEMA 1 and 3R standards, the Q250 can function effectively in both indoor and outdoor environments, shielding internal components from dust and moisture. With a frequency rating of 60 Hz, it fits seamlessly into most electrical systems in North America. The plug-in mounting style simplifies installation, allowing for quick and secure placement.

In terms of size, the Q250 is compact, featuring overall dimensions of 3 inches long, 3 inches wide, and 2 inches high. The device operates efficiently in temperature environments reaching up to 40°C, making it suitable for standard industrial conditions. Weighing in at only 0.55 pounds, it presents a lightweight solution without compromising on performance.

The breaker employs a LI thermal-magnetic trip mechanism, effectively responding to overload and short-circuit conditions. It is compatible with wire sizes of 8 AWG, solidifying its role as a robust protector in any electrical installation.