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CR306D0** - Molded Case Circuit Breaker 30A 600V

United Fuses
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The CR306D0** is a heavy-duty industrial circuit breaker designed for overcurrent protection in high-power electrical distribution systems. It is rated for a maximum voltage of 600V AC and a current rating of 30A, with a robust interrupting capacity suitable for commercial and industrial environments. Weighing 5.19 lb, this unit features a compact molded case construction with thermal-magnetic trip technology for reliable short-circuit and overload protection. It complies with UL 489 and CSA standards, ensuring safe operation in demanding applications. Typical uses include motor control centers, panelboards, and switchboards in manufacturing plants, data centers, and infrastructure facilities.

Key Features & Specifications
  • Type: Molded case circuit breaker, thermal-magnetic trip, fixed configuration
  • Voltage Rating: 600V AC
  • Current Rating: 30A
  • Dimensions: Standard molded case frame size
  • Standards: UL 489, CSA C22.2 No. 5
  • Applications: Motor control centers, panelboards, switchboards, industrial power distribution
  • Switch Type: Toggle handle
  • Configuration: Fixed mount, line and load terminals
  • Coil Voltage Maximum: Not applicable (thermal-magnetic)
  • Temp Rating: 40°C ambient
  • Shipping Dimensions: Standard industrial packaging
  • Phase: Single or three-phase compatible
  • Voltage: 600V AC
  • Amperage: 30A
  • AIC rating: 10kA @ 480V AC
  • Connection: Line and load lug terminals
  • Poles: 3-pole
  • Protection: Overload and short-circuit
  • Functions: Circuit isolation and protection
  • Frame Size: 100A frame
  • Trip Type: Fixed thermal-magnetic
  • Panel Type: Suitable for panelboard mounting
  • Breaker Type: Molded case
  • Control Voltage Minimum: Not applicable
  • Control Voltage Maximum: Not applicable
  • MCM Size: Not applicable
  • Metal Type: Steel enclosure
  • Panel Style: Standard
  • Bus Type: Suitable for copper or aluminum bus
  • 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: Fixed panel mount
  • Hz: 50/60 Hz
  • Coil Material: Not applicable
  • Horse Power: 15 HP @ 480V
  • Aux Contacts: Optional
  • CPT: Not included
  • Full Load Amps: 30A
  • Dist Voltage: 600V AC
  • Bucket Size: Not applicable
  • Bucket Style: Not applicable
  • Bucket Type: Not applicable
  • Full Load Amp Maximum: 30A
  • Full Load Amp Minimum: 0A
  • Enclosure: Open style
  • Relay Style: Not applicable
  • Coil Voltage Minimum: Not applicable
  • Wire: Copper or aluminum
  • Amperage Maximum: 30A
  • Amperage Minimum: 0A
  • Nema Rating: NEMA 1
  • Switch Style: Toggle
  • Wire Size: 14 AWG to 8 AWG
  • Certification: UL, CSA
  • Circuit Breaker Mounting Style: Fixed
  • Terminal Connection: Lug type
  • Frequency Rating: 50/60 Hz
  • Phase Connection: 3-phase
  • Standards: UL 489, CSA C22.2 No. 5
  • Compatible Frames: 100A frame
  • Installation Type: Panelboard or switchboard
  • Item QTY: 1
  • Nema Starter Size: Not applicable
  • Breaker Frame: 100A
  • Current Rating: 30A
  • 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: Not available
  • GTIN: Not available