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FD3030.25K - Fused Disconnect 250A 600V 3-Pole

United Fuses
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The FD3030.25K is a 250A, 600V AC/DC, 3-pole fused disconnect switch designed for reliable overcurrent protection and safe isolation of electrical circuits in industrial power distribution systems. It features a compact NEMA 1 enclosure with a visible blade mechanism and a 200,000 AIC interrupting rating, ensuring robust performance under high fault current conditions. The switch is constructed with a heavy-duty steel housing and copper alloy fuse clips, supporting Class R or Class J fuses for versatile application. It complies with UL 98 and CSA C22.2 standards, making it suitable for use in motor control centers, panelboards, and branch circuit protection. Typical applications include commercial and industrial facilities requiring a high-capacity, safety-rated disconnect for transformers, motors, and feeder circuits.

Key Features & Specifications
  • Type: Heavy-duty fused disconnect switch with visible blade construction
  • Voltage Rating: 600V AC/DC
  • Current Rating: 250A
  • Dimensions: Compact NEMA 1 enclosure
  • Standards: UL 98, CSA C22.2
  • Applications: Industrial power distribution, motor control centers, branch circuit protection
  • Switch Type: Fused disconnect
  • Configuration: 3-pole
  • Coil Voltage Maximum: N/A (manual operation)
  • Temp Rating: 40°C ambient
  • Shipping Dimensions: N/A
  • Phase: 3-phase
  • Voltage: 600V AC/DC
  • Amperage: 250A
  • AIC rating: 200,000A
  • Connection: Line and load lugs
  • Poles: 3
  • Protection: Overcurrent and short-circuit
  • Functions: Isolation and disconnection
  • Frame Size: N/A
  • Trip Type: N/A (fuse-dependent)
  • Panel Type: NEMA 1
  • Breaker Type: N/A
  • Control Voltage Minimum: N/A
  • Control Voltage Maximum: N/A
  • MCM Size: N/A
  • Metal Type: Steel
  • Panel Style: Enclosed
  • Bus Type: N/A
  • Fuse Class: R or J
  • Insulation Temperature: 105°C
  • Inductance: N/A
  • Impedance: N/A
  • Barrels: N/A
  • Class Rating: N/A
  • Diameter: N/A
  • Velocity: N/A
  • Clip Center: N/A
  • Clas: N/A
  • Mounting: Surface or panel
  • Hz: 50/60
  • Coil Material: N/A
  • Horse Power: N/A
  • Aux Contacts: N/A
  • CPT: N/A
  • Full Load Amps: N/A
  • Dist Voltage: N/A
  • Bucket Size: N/A
  • Bucket Style: N/A
  • Bucket Type: N/A
  • Full Load Amp Maximum: N/A
  • Full Load Amp Minimum: N/A
  • Enclosure: NEMA 1
  • Relay Style: N/A
  • Coil Voltage Minimum: N/A
  • Wire: N/A
  • Amperage Maximum: 250A
  • Amperage Minimum: N/A
  • Nema Rating: 1
  • Switch Style: Fused disconnect
  • Wire Size: N/A
  • Certification: UL, CSA
  • Circuit Breaker Mounting Style: N/A
  • Terminal Connection: Lugs
  • Frequency Rating: 50/60 Hz
  • Phase Connection: 3-phase
  • Standards: UL 98, CSA C22.2
  • Compatible Frames: N/A
  • Installation Type: Fixed
  • Item QTY: 1
  • Nema Starter Size: N/A
  • Breaker Frame: N/A
  • Current Rating: 250A
  • Reverse Standoff Voltage: N/A
  • Watts: N/A
  • Peak Pulse Current: N/A
  • Breakdown Voltage (MIN VBR@IT ) (V): N/A
  • Breakdown Voltage (VBR@IT) (V): N/A
  • Polarity: N/A
  • Operating Temperature Maximum Celsius: 40°C
  • Max Clamp Voltage: N/A
  • On-State Current: N/A
  • Weight: 5.19 lb


Product Identification
  • UPC: N/A
  • GTIN: N/A