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Square D 2959S49W35B - Safety Switch 200A 600V NEMA 4X

Square D
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The Square D 2959S49W35B is a heavy-duty safety switch designed for reliable circuit protection and disconnection in industrial power distribution systems. It is rated for 600 volts AC and 200 amperes, providing robust overcurrent protection for motor and feeder circuits. This switch features a NEMA 4X stainless steel enclosure for corrosion resistance in harsh environments, with a compact footprint suitable for space-constrained installations. It complies with UL 98 and CSA standards, ensuring safe operation in demanding applications. Typical uses include commercial and industrial facilities requiring a durable disconnect for machinery, HVAC systems, or lighting panels.

Key Features & Specifications
  • Type: Heavy-duty safety switch, non-fusible, 3-pole, 3-wire
  • Voltage Rating: 600 VAC
  • Current Rating: 200 A
  • Enclosure: NEMA 4X stainless steel, corrosion-resistant
  • Standards: UL 98, CSA C22.2 No. 4
  • Applications: Industrial disconnect for motors, feeders, and branch circuits
  • Switch Type: Non-fusible
  • Configuration: 3-pole, 3-wire
  • Coil Voltage Maximum: Not applicable (manual switch)
  • Temp Rating: -20°C to 40°C
  • Shipping Dimensions: 12.5 x 8.5 x 6.5 inches
  • Phase: 3-phase
  • Amperage: 200 A
  • AIC rating: 10 kA at 600 VAC
  • Connection: Box lugs, line and load
  • Poles: 3
  • Protection: Overcurrent (requires external fuses)
  • Functions: Disconnect, isolation
  • Frame Size: 200 A frame
  • Trip Type: Not applicable (non-fusible)
  • Panel Type: Not applicable
  • Breaker Type: Not applicable
  • Control Voltage Minimum: Not applicable
  • Control Voltage Maximum: Not applicable
  • MCM Size: Not applicable
  • Metal Type: Stainless steel
  • Panel Style: Surface mount
  • Bus Type: Copper
  • Fuse Class: Not applicable (non-fusible)
  • 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: Surface mount
  • Hz: 50/60 Hz
  • Coil Material: Not applicable
  • Horse Power: 100 HP at 480 VAC
  • Aux Contacts: Not applicable
  • CPT: Not applicable
  • Full Load Amps: 200 A
  • Dist Voltage: 600 VAC
  • Bucket Size: Not applicable
  • Bucket Style: Not applicable
  • Bucket Type: Not applicable
  • Full Load Amp Maximum: 200 A
  • Full Load Amp Minimum: 0 A
  • Enclosure: NEMA 4X stainless steel
  • Relay Style: Not applicable
  • Coil Voltage Minimum: Not applicable
  • Wire: Copper or aluminum
  • Amperage Maximum: 200 A
  • Amperage Minimum: 0 A
  • Nema Rating: 4X
  • Switch Style: Heavy-duty, non-fusible
  • Wire Size: #14 AWG to 3/0 AWG
  • Certification: UL, CSA
  • Circuit Breaker Mounting Style: Not applicable
  • Terminal Connection: Box lugs
  • Frequency Rating: 50/60 Hz
  • Phase Connection: 3-phase
  • Standards: UL 98, CSA C22.2 No. 4
  • Compatible Frames: Not applicable
  • Installation Type: Surface mount
  • Item QTY: 1
  • Nema Starter Size: Not applicable
  • Breaker Frame: Not applicable
  • Current Rating: 200 A
  • 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: 785901295935
  • GTIN: 00785901295935