Thomas & Betts STE150 - Safety Switch 150A 600V
Thomas & Betts STE150 - Safety Switch 150A 600V

Thomas & Betts STE150 - Safety Switch 150A 600V

Thomas & Betts
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Thomas & Betts STE150 is a heavy-duty industrial safety switch designed for reliable circuit protection and disconnection in commercial and industrial power distribution systems. This switch is rated for 600V AC maximum and carries a continuous current rating of 150A, providing robust overcurrent protection for branch circuits and equipment. Constructed with a NEMA-rated enclosure and weighing 4.29 lb, it features a rugged metal housing suitable for indoor or outdoor installations, with a visible blade design for safe lockout/tagout procedures. The STE150 complies with UL 98 and CSA standards, ensuring adherence to North American electrical safety codes. Typical applications include motor control centers, panelboards, and machinery disconnects in manufacturing plants, warehouses, and utility infrastructure.

Key Features & Specifications
  • Type: Heavy-duty safety switch, visible blade, NEMA-rated enclosure
  • Voltage Rating: 600V AC
  • Current Rating: 150A
  • Weight: 4.29 lb
  • Standards: UL 98, CSA certified
  • Applications: Industrial power distribution, motor disconnects, branch circuit protection
  • Switch Type: Heavy-duty safety switch
  • Configuration: 2-pole or 3-pole (verify model variant)
  • Enclosure: NEMA 1 or NEMA 3R (verify model variant)
  • Terminal Connection: Copper or aluminum wire compatible
  • Phase: Single or three-phase (verify model variant)
  • Amperage: 150A
  • Voltage: 600V AC
  • Poles: 2 or 3 (verify model variant)
  • Protection: Overcurrent and short-circuit
  • Functions: Disconnect, lockout/tagout capable
  • Frame Size: NEMA 1 or 3R (verify model variant)
  • Trip Type: Not applicable (switch, not breaker)
  • Panel Type: Industrial panelboard compatible
  • Breaker Type: Not applicable
  • Control Voltage Minimum: Not applicable
  • Control Voltage Maximum: Not applicable
  • MCM Size: Not applicable
  • Metal Type: Steel enclosure
  • Panel Style: Surface mount or flush mount (verify model variant)
  • Bus Type: Not applicable
  • Fuse Class: Not applicable (switch only)
  • Insulation Temperature: 105°C (typical for switch components)
  • 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 or flush (verify model variant)
  • Hz: 50/60 Hz
  • Coil Material: Not applicable
  • Horse Power: Rated for motor loads (verify specific HP rating)
  • Aux Contacts: Not applicable
  • CPT: Not applicable
  • Full Load Amps: 150A
  • Dist Voltage: 600V AC
  • Bucket Size: Not applicable
  • Bucket Style: Not applicable
  • Bucket Type: Not applicable
  • Full Load Amp Maximum: 150A
  • Full Load Amp Minimum: Not applicable
  • Enclosure: NEMA 1 or 3R (verify model variant)
  • Relay Style: Not applicable
  • Coil Voltage Minimum: Not applicable
  • Coil Voltage Maximum: Not applicable
  • Wire: Copper or aluminum
  • Amperage Maximum: 150A
  • Amperage Minimum: Not applicable
  • Nema Rating: NEMA 1 or 3R (verify model variant)
  • Switch Style: Heavy-duty safety switch
  • Wire Size: #14 AWG to #2/0 AWG (typical range)
  • Certification: UL 98, CSA
  • Circuit Breaker Mounting Style: Not applicable
  • Terminal Connection: Screw-type lugs
  • Frequency Rating: 50/60 Hz
  • Phase Connection: Single or three-phase (verify model variant)
  • Standards: UL 98, CSA C22.2
  • Compatible Frames: Not applicable
  • Installation Type: Surface or flush mount
  • Item QTY: 1
  • Nema Starter Size: Not applicable
  • Breaker Frame: Not applicable
  • Current Rating: 150A
  • 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 (typical for NEMA enclosures)
  • Max Clamp Voltage: Not applicable
  • On-State Current: Not applicable


Product Identification
  • UPC: 78559299668
  • GTIN: 00785592996688