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Siemens HNB65 - MCCB 250A 65kA 3-Pole

Siemens
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Siemens HNB65 is a molded case circuit breaker designed for reliable overcurrent and short-circuit protection in industrial power distribution systems. It features a 65 kA interrupting capacity at 480V AC and is rated for continuous operation up to 250A, housed within a robust, compact phenolic enclosure measuring 250 x 150 x 100 mm (9.843 x 5.906 x 3.937 inches) and weighing 2.55 kg (5.622 lb). This breaker complies with international standards including UL 489 and IEC 60947-2, ensuring safe integration into panelboards, switchboards, and motor control centers for applications such as feeder protection, machinery power circuits, and main distribution branches.

Key Features & Specifications
  • Type: Thermal-magnetic molded case circuit breaker with fixed thermal trip and instantaneous magnetic trip
  • Voltage Rating: 480V AC, 250V DC
  • Current Rating: 250A (Fixed)
  • Dimensions: 250mm H x 150mm W x 100mm D (9.843 x 5.906 x 3.937 inches)
  • Standards: UL 489, IEC 60947-2
  • Applications: Industrial feeder protection, panelboard main breakers, motor circuit protection
  • Switch Type: Fixed, non-withdrawable
  • Configuration: 3-Pole
  • AIC Rating: 65 kA at 480V AC
  • Connection: Fixed screw terminals
  • Poles: 3
  • Protection: Overcurrent and short-circuit
  • Functions: Isolation, protection
  • Frame Size: HNB
  • Trip Type: Thermal-magnetic
  • Breaker Type: Molded Case Circuit Breaker (MCCB)
  • Mounting: Fixed, panel-mounted
  • Hz: 50/60 Hz
  • Enclosure: Phenolic case
  • Terminal Connection: Screw
  • Phase: 3-Phase
  • Phase Connection: 3-Wire
  • Frequency Rating: 50/60 Hz
  • Standards: UL, IEC
  • Installation Type: Fixed
  • Weight: 2.55 kg (5.622 lb)
  • Country of Origin: Mexico


Product Identification
  • UPC: 783643364387
  • GTIN: 00783643364387