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Siemens QR22B250 - Molded Case Circuit Breaker 250A 2-Pole

Siemens
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Siemens QR22B250 is a molded case circuit breaker designed for providing reliable overcurrent and short-circuit protection in industrial and commercial electrical systems. It features a 250A current rating and a 240V AC voltage rating, housed within a compact, durable molded case measuring 7.087" x 4.331" x 3.937" (180mm x 110mm x 100mm) and weighing 3.197 lb. The breaker utilizes a thermal-magnetic trip unit combining long-time and instantaneous trip functions to ensure protection against both overloads and high-level faults, achieving an interrupting capacity of 10kA at 240V. Its bolt-on connection and two-pole configuration make it suitable for single-phase applications, engineered to meet rigorous industry standards for safety and performance in panelboards and switchgear.

Key Features & Specifications
  • Type: QR2 Series Molded Case Circuit Breaker with Thermal-Magnetic Protection
  • Voltage Rating: 240V AC
  • Current Rating: 250A
  • Dimensions: 7.087 x 4.331 x 3.937 inch (180 x 110 x 100 mm)
  • Standards: Designed to meet applicable industrial safety standards
  • Applications: Panelboards, switchgear, and industrial/commercial distribution
  • Switch Type: Circuit Breaker
  • Configuration: Fixed
  • Phase: 1
  • Amperage: 250A
  • AIC Rating: 10kA @ 240V
  • Connection: Bolt-On
  • Poles: 2
  • Protection: Thermal Magnetic
  • Functions: Long Time and Instantaneous Trip
  • Frame Size: QR
  • Trip Type: Thermal-Magnetic
  • Breaker Type: Molded Case
  • Mounting: Panel Mount
  • Hz: 50/60 Hz
  • Enclosure: Molded Case
  • Certification: Industry Standard
  • Circuit Breaker Mounting Style: Fixed
  • Terminal Connection: Bolt-On
  • Frequency Rating: 50/60 Hz
  • Phase Connection: Single-Phase
  • Standards: Industrial
  • Installation Type: Fixed
  • Breaker Frame: QR Series
  • Current Rating: 250A
  • Operating Temperature Maximum Celsius: Standard industrial range
  • Country of Origin: Mexico
  • Weight: 3.197 lb


Product Identification
  • UPC: 804766136122
  • GTIN: 00804766136122