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BR160.OB - 160A 3-Pole Molded Case Circuit Breaker (600V AC)

United Fuses
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BR160.OB is a heavy-duty industrial circuit breaker designed for overcurrent protection in electrical distribution systems. It is rated for 160 amps at 600 volts AC, with a robust interrupting capacity suitable for high-fault applications. The unit features a compact molded case construction, weighing 5.19 lb, and is built with durable thermoplastic materials for reliable performance in demanding environments. It complies with UL 489 and CSA standards, ensuring safety and reliability in commercial and industrial settings. Typical applications include main breaker panels, feeder circuits, and motor control centers in factories, data centers, and infrastructure projects.

Key Features & Specifications
  • Type: Molded case circuit breaker, thermal-magnetic trip, 3-pole
  • Voltage Rating: 600 V AC
  • Current Rating: 160 A
  • Dimensions: 4.0 x 3.0 x 6.0 inches (approx.)
  • Standards: UL 489, CSA C22.2 No. 5
  • Applications: Main breaker panels, feeder circuits, motor control centers
  • Switch Type: Toggle
  • Configuration: 3-pole
  • Coil Voltage Maximum: Not applicable (thermal-magnetic)
  • Temp Rating: 40°C ambient
  • Shipping Dimensions: 6.0 x 4.0 x 7.0 inches
  • Phase: 3-phase
  • Voltage: 600 V AC
  • Amperage: 160 A
  • AIC rating: 10 kA at 600 V AC
  • Connection: Line and load lugs
  • Poles: 3
  • Protection: Overcurrent and short-circuit
  • Functions: Thermal-magnetic trip
  • Frame Size: 160 A frame
  • Trip Type: Thermal-magnetic
  • Panel Type: Industrial panelboard
  • Breaker Type: Molded case
  • Control Voltage Minimum: Not applicable
  • Control Voltage Maximum: Not applicable
  • MCM Size: Not applicable
  • Metal Type: Copper alloy contacts
  • Panel Style: NEMA 1
  • Bus Type: Copper bus
  • Fuse Class: Not applicable
  • Insulation Temperature: 105°C
  • Inductance: Not specified
  • Impedance: Not specified
  • 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 Hz
  • Coil Material: Not applicable
  • Horse Power: 100 HP at 480 V
  • Aux Contacts: 1 NO + 1 NC
  • CPT: Not included
  • Full Load Amps: 160 A
  • Dist Voltage: 600 V AC
  • Bucket Size: Not applicable
  • Bucket Style: Not applicable
  • Bucket Type: Not applicable
  • Full Load Amp Maximum: 160 A
  • Full Load Amp Minimum: 0 A
  • Enclosure: Open style
  • Relay Style: Not applicable
  • Coil Voltage Minimum: Not applicable
  • Wire: Copper or aluminum
  • Amperage Maximum: 160 A
  • Amperage Minimum: 0 A
  • Nema Rating: NEMA 1
  • Switch Style: Toggle
  • Wire Size: #4 AWG to 250 kcmil
  • Certification: UL, CSA
  • Circuit Breaker Mounting Style: Panel mount
  • Terminal Connection: Lug type
  • Frequency Rating: 50/60 Hz
  • Phase Connection: 3-phase
  • Standards: UL 489, CSA
  • Compatible Frames: 160 A frame
  • Installation Type: Fixed
  • Item QTY: 1
  • Nema Starter Size: Not applicable
  • Breaker Frame: 160 A
  • Current Rating: 160 A
  • Reverse Standoff Voltage: Not applicable
  • Watts: Not specified
  • 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


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