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Cutler Hammer D26MBB - 3-Pole 100A 600V AC Circuit Breaker

Cutler Hammer
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Cutler Hammer D26MBB is a molded case circuit breaker designed for overcurrent protection and switching applications in industrial power distribution systems. It is rated for 600V AC and carries a current rating of 100A, with a 25kAIC at 480V AC. The unit measures 4 inches in depth, 3.57 inches in height, and 2.38 inches in width, weighing 1.8 lb, and features a compact, rugged construction suitable for panelboard installation. This breaker complies with UL 489 and CSA standards, ensuring reliable performance in commercial and industrial environments. Typical applications include motor control centers, lighting panels, and feeder circuits in manufacturing facilities.

Key Features & Specifications
  • Type: Molded case circuit breaker, thermal-magnetic trip
  • Voltage Rating: 600V AC
  • Current Rating: 100A
  • Dimensions: 4 in x 3.57 in x 2.38 in (Length/Depth x Height x Width)
  • Standards: UL 489, CSA
  • Applications: Industrial power distribution, motor control centers, lighting panels
  • Switch Type: Toggle
  • Configuration: 3-pole
  • Coil Voltage Maximum: Not applicable
  • Temp Rating: 40°C
  • Shipping Dimensions: 4 in x 3.57 in x 2.38 in
  • Phase: 3
  • Voltage: 600V AC
  • Amperage: 100A
  • AIC rating: 25kA at 480V AC
  • Connection: Line and load lugs
  • Poles: 3
  • Protection: Overcurrent
  • Functions: Circuit protection and switching
  • Frame Size: D
  • Trip Type: Thermal-magnetic
  • Panel Type: Panelboard
  • Breaker Type: Molded case
  • Control Voltage Minimum: Not applicable
  • Control Voltage Maximum: Not applicable
  • MCM Size: Not applicable
  • Metal Type: Steel
  • Panel Style: Flush mount
  • Bus Type: Copper
  • Fuse Class: Not applicable
  • Insulation Temperature: 105°C
  • Inductance: Not applicable
  • Impedance: Not applicable
  • Barrels: Not applicable
  • Class Rating: Not applicable
  • Diameter: Not applicable
  • Velocity: Not applicable
  • Clip Center: Not applicable
  • Clas: Not applicable
  • Mounting: Panel mount
  • Hz: 50/60
  • Coil Material: Not applicable
  • Horse Power: 50 HP at 480V
  • Aux Contacts: Not applicable
  • CPT: Not applicable
  • Full Load Amps: 100A
  • Dist Voltage: 600V AC
  • Bucket Size: Not applicable
  • Bucket Style: Not applicable
  • Bucket Type: Not applicable
  • Full Load Amp Maximum: 100A
  • Full Load Amp Minimum: 100A
  • Enclosure: Open
  • Relay Style: Not applicable
  • Coil Voltage Minimum: Not applicable
  • Wire: Copper
  • Amperage Maximum: 100A
  • Amperage Minimum: 100A
  • Nema Rating: 1
  • Switch Style: Toggle
  • Wire Size: 14 AWG to 2/0 AWG
  • Certification: UL, CSA
  • Circuit Breaker Mounting Style: Bolt-on
  • Terminal Connection: Lug
  • Frequency Rating: 50/60 Hz
  • Phase Connection: 3-phase
  • Standards: UL 489, CSA C22.2
  • Compatible Frames: D frame
  • Installation Type: Panelboard
  • Item QTY: 1
  • Nema Starter Size: Not applicable
  • Breaker Frame: D
  • Current Rating: 100A
  • Reverse Standoff Voltage: Not applicable
  • Watts: Not applicable
  • Peak Pulse Current: Not applicable
  • Breakdown Voltage (MIN VBR@IT ) (V): Not applicable
  • Breakdown Voltage (VBR@IT) (V): Not applicable
  • Polarity: Not applicable
  • Operating Temperature Maximum Celsius: 40°C
  • Max Clamp Voltage: Not applicable
  • On-State Current: Not applicable


Product Identification
  • UPC: 78211318179
  • GTIN: 00782113181790