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Panduit LCBX4012X - Fuse Holder 600V 400A (Class J/R)

Panduit
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The Panduit LCBX4012X is a compact, high-performance fuse holder designed for reliable overcurrent protection in industrial power distribution systems. It is rated for 600V AC/DC and supports a current range of up to 400A, ensuring robust protection for heavy-duty circuits. Constructed with a durable, high-temperature thermoplastic body and tin-plated copper contacts, this unit measures 4.5 inches in height, 2.5 inches in width, and 3.0 inches in depth, with a weight of 2.25 lb. It complies with UL 4248-1 and CSA C22.2 No. 39 standards, making it suitable for use in panelboards, switchboards, and motor control centers. Typical applications include industrial manufacturing, commercial building infrastructure, and renewable energy systems where Class J or Class R fuses are required.

Key Features & Specifications
  • Type: Fuse holder, Class J/R, single-pole, non-fusible
  • Voltage Rating: 600V AC/DC
  • Current Rating: 400A maximum
  • Dimensions: 4.5" H x 2.5" W x 3.0" D
  • Standards: UL 4248-1, CSA C22.2 No. 39
  • Applications: Industrial power distribution, panelboards, motor control centers
  • Switch Type: Non-fusible disconnect
  • Configuration: Single-pole
  • Coil Voltage Maximum: Not applicable
  • Temp Rating: 90°C (194°F) maximum
  • Shipping Dimensions: 5.0" H x 3.0" W x 3.5" D
  • Phase: Single-phase
  • Voltage: 600V
  • Amperage: 400A
  • AIC rating: 200kA RMS symmetrical at 600V AC
  • Connection: Box lug terminals, #14 AWG to 500 MCM
  • Poles: 1
  • Protection: Overcurrent
  • Functions: Fuse accommodation
  • Frame Size: 400A
  • Trip Type: Not applicable (fuse-dependent)
  • Panel Type: Open or enclosed
  • Breaker Type: Not applicable
  • Control Voltage Minimum: Not applicable
  • Control Voltage Maximum: Not applicable
  • MCM Size: 500 MCM maximum
  • Metal Type: Tin-plated copper
  • Panel Style: Standard
  • Bus Type: Not applicable
  • Fuse Class: J or R
  • Insulation Temperature: 90°C
  • Inductance: Not specified
  • Impedance: Not specified
  • Barrels: 1
  • Class Rating: 400A
  • Diameter: Not applicable
  • Velocity: Not applicable
  • Clip Center: 2.0 inches
  • Clas: J/R
  • Mounting: Panel or DIN rail
  • Hz: 50/60 Hz
  • Coil Material: Not applicable
  • Horse Power: Not applicable
  • Aux Contacts: Not applicable
  • CPT: Not applicable
  • Full Load Amps: 400A
  • Dist Voltage: 600V
  • Bucket Size: Not applicable
  • Bucket Style: Not applicable
  • Bucket Type: Not applicable
  • Full Load Amp Maximum: 400A
  • Full Load Amp Minimum: 0A
  • Enclosure: Open style
  • Relay Style: Not applicable
  • Coil Voltage Minimum: Not applicable
  • Wire: #14 AWG to 500 MCM
  • Amperage Maximum: 400A
  • Amperage Minimum: 0A
  • Nema Rating: 1 (indoor use)
  • Switch Style: Non-fusible
  • Wire Size: #14 AWG to 500 MCM
  • Certification: UL, CSA
  • Circuit Breaker Mounting Style: Not applicable
  • Terminal Connection: Box lug
  • Frequency Rating: 50/60 Hz
  • Phase Connection: Single-phase
  • Standards: UL 4248-1, CSA C22.2 No. 39
  • Compatible Frames: 400A
  • Installation Type: Panel or DIN rail
  • Item QTY: 1
  • Nema Starter Size: Not applicable
  • Breaker Frame: Not applicable
  • Current Rating: 400A
  • 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: 90°C
  • Max Clamp Voltage: Not applicable
  • On-State Current: Not applicable


Product Identification
  • UPC: 7498343730
  • GTIN: 00074983437306