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YA30A9 - Molded Case Circuit Breaker 600V 30A (Thermal-Magnetic)

United Fuses
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The YA30A9 is a high-performance industrial circuit breaker designed for primary overcurrent and short-circuit protection in electrical distribution systems. It is rated for 600V AC and 30A continuous current, ensuring reliable operation in demanding environments. The unit features a compact molded case construction with a robust thermoplastic housing, weighing 5.19 lb, and is equipped with a thermal-magnetic trip mechanism for precise current sensing. This breaker complies with UL 489 and CSA C22.2 standards, confirming its safety and performance for industrial applications. It is commonly used in panelboards, switchboards, and motor control centers for branch circuit protection in manufacturing, commercial, and utility settings.

Key Features & Specifications
  • Type: Molded Case Circuit Breaker, thermal-magnetic trip, thermoplastic housing
  • Voltage Rating: 600V AC
  • Current Rating: 30A
  • Weight: 5.19 lb
  • Standards: UL 489, CSA C22.2
  • Applications: Panelboards, switchboards, motor control centers, branch circuit protection
  • Switch Type: Thermal-magnetic
  • Configuration: Single-pole
  • Coil Voltage Maximum: Not applicable
  • Temp Rating: 40°C ambient
  • Shipping Dimensions: Not specified
  • Phase: Single-phase
  • Voltage: 600V AC
  • Amperage: 30A
  • AIC rating: Not specified
  • Connection: Line and load lugs
  • Poles: 1
  • Protection: Overcurrent and short-circuit
  • Functions: Circuit isolation and protection
  • Frame Size: 100A frame
  • Trip Type: Thermal-magnetic
  • Panel Type: Not specified
  • Breaker Type: Molded case
  • Control Voltage Minimum: Not applicable
  • Control Voltage Maximum: Not applicable
  • MCM Size: Not applicable
  • Metal Type: Copper contacts
  • Panel Style: Not specified
  • Bus Type: Not specified
  • Fuse Class: Not applicable
  • Insulation Temperature: 105°C
  • Inductance: Not applicable
  • 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: Not specified
  • Aux Contacts: Not included
  • 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: Not specified
  • Switch Style: Toggle handle
  • Wire Size: 14 AWG to 8 AWG
  • Certification: UL 489, CSA C22.2
  • Circuit Breaker Mounting Style: Panel mount
  • Terminal Connection: Screw lugs
  • Frequency Rating: 50/60 Hz
  • Phase Connection: Single-phase
  • Standards: UL 489, CSA C22.2
  • Compatible Frames: 100A frame
  • Installation Type: Fixed
  • Item QTY: 1
  • Nema Starter Size: Not applicable
  • Breaker Frame: 100A
  • Current Rating: 30A
  • 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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