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Cutler Hammer C335KD4R4 - Fusible Disconnect 600V 400A 3-Pole

Cutler Hammer
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Cutler Hammer C335KD4R4 is a heavy-duty industrial disconnect switch designed for reliable circuit isolation and protection in high-power applications. This switch is rated for 600 volts AC and 400 amperes, providing robust current handling for demanding electrical systems. The unit features a compact NEMA 4/4X stainless steel enclosure measuring 1 inch by 1 inch by 1 inch and weighing 1 pound, with a fusible design that accommodates Class R or Class J fuses for overcurrent protection. It complies with UL 98 and CSA standards, ensuring safe operation in industrial environments. Typical applications include motor control centers, panelboards, and machinery requiring a visible-blade disconnect with high interrupting capacity.

Key Features & Specifications
  • Type: Heavy-duty fusible disconnect switch with stainless steel enclosure
  • Voltage Rating: 600 V AC
  • Current Rating: 400 A
  • Dimensions: 1 in x 1 in x 1 in (Length/Depth x Height x Width)
  • Weight: 1 lb
  • Standards: UL 98, CSA
  • Applications: Motor control centers, panelboards, industrial machinery
  • Switch Type: Fusible disconnect
  • Configuration: 3-pole
  • Enclosure: NEMA 4/4X stainless steel
  • Fuse Class: Class R or Class J
  • Mounting: Surface mount
  • Phase: 3-phase
  • Amperage: 400 A
  • Poles: 3
  • Protection: Overcurrent via fuses
  • Functions: Circuit isolation and protection
  • Frame Size: Heavy-duty
  • Breaker Type: Disconnect switch
  • Control Voltage Minimum: Not applicable
  • Control Voltage Maximum: Not applicable
  • Metal Type: Stainless steel
  • Panel Style: NEMA 4/4X
  • Bus Type: Copper
  • Insulation Temperature: 105°C
  • Hz: 50/60 Hz
  • Horse Power: 200 HP at 480 V
  • Full Load Amps: 400 A
  • Enclosure: NEMA 4/4X
  • Nema Rating: 4/4X
  • Wire Size: #4 AWG to 600 MCM
  • Certification: UL, CSA
  • Circuit Breaker Mounting Style: Surface
  • Terminal Connection: Lug type
  • Frequency Rating: 50/60 Hz
  • Phase Connection: 3-phase
  • Standards: UL 98, CSA C22.2
  • Installation Type: Surface mount
  • Item QTY: 1
  • Breaker Frame: Heavy-duty
  • Current Rating: 400 A
  • Operating Temperature Maximum Celsius: 40°C


Product Identification
  • UPC: 78211409301
  • GTIN: 00782114093016