Thomas & Betts STX250475 - Safety Switch 250A 600V AC
Thomas & Betts STX250475 - Safety Switch 250A 600V AC

Thomas & Betts STX250475 - Safety Switch 250A 600V AC

Thomas & Betts
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Thomas & Betts STX250475 is a heavy-duty industrial safety switch designed for reliable circuit disconnection and equipment protection. This switch is rated for 600V AC and 250A, providing robust overcurrent protection in demanding environments. Constructed with a NEMA 4X stainless steel enclosure, it measures approximately 12.5 x 8.5 x 6.5 inches and weighs 5.19 lb, ensuring durability against corrosion and harsh conditions. It complies with UL 98 and CSA standards, making it suitable for use in commercial and industrial power distribution systems. Typical applications include motor control centers, manufacturing plants, and utility infrastructure where safe load break and isolation are critical.

Key Features & Specifications
  • Type: Heavy-duty safety switch, non-fusible, 3-pole
  • Voltage Rating: 600V AC
  • Current Rating: 250A
  • Enclosure: NEMA 4X stainless steel
  • Standards: UL 98, CSA
  • Applications: Motor control, power distribution, industrial isolation
  • Switch Type: Heavy-duty, non-fusible
  • Configuration: 3-pole, 3-wire
  • Coil Voltage Maximum: N/A (manual switch)
  • Temp Rating: -20°C to 40°C
  • Shipping Dimensions: 14 x 10 x 8 inches
  • Phase: 3-phase
  • Voltage: 600V AC
  • Amperage: 250A
  • AIC rating: 10kA at 600V AC
  • Connection: Line and load lugs
  • Poles: 3
  • Protection: Overcurrent (with external fuse)
  • Functions: Disconnect, isolation
  • Frame Size: N/A
  • Trip Type: N/A (non-fusible)
  • Panel Type: NEMA 4X
  • Breaker Type: N/A
  • Control Voltage Minimum: N/A
  • Control Voltage Maximum: N/A
  • MCM Size: 250 MCM max
  • Metal Type: Stainless steel
  • Panel Style: Surface mount
  • Bus Type: Copper
  • Fuse Class: N/A (non-fusible)
  • 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
  • Hz: 50/60 Hz
  • Coil Material: N/A
  • Horse Power: 100 HP at 600V
  • Aux Contacts: N/A
  • CPT: N/A
  • Full Load Amps: 250A
  • Dist Voltage: 600V
  • Bucket Size: N/A
  • Bucket Style: N/A
  • Bucket Type: N/A
  • Full Load Amp Maximum: 250A
  • Full Load Amp Minimum: 0A
  • Enclosure: NEMA 4X
  • Relay Style: N/A
  • Coil Voltage Minimum: N/A
  • Wire: Copper/Aluminum
  • Amperage Maximum: 250A
  • Amperage Minimum: 0A
  • Nema Rating: 4X
  • Switch Style: Heavy-duty
  • Wire Size: #14 AWG to 250 MCM
  • Certification: UL, CSA
  • Circuit Breaker Mounting Style: N/A
  • Terminal Connection: Mechanical lugs
  • Frequency Rating: 50/60 Hz
  • Phase Connection: 3-phase
  • Standards: UL 98, CSA C22.2
  • Compatible Frames: N/A
  • Installation Type: Surface mount
  • 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


Product Identification
  • UPC: 00786210904634