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MBM334WB - Disconnect Switch 600V 30A 3-Pole

United Fuses
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The MBM334WB is a heavy-duty industrial disconnect switch designed to provide reliable circuit isolation and protection in high-power applications. It is rated for 600V AC and carries a continuous current rating of 30A, ensuring robust performance under demanding electrical loads. The switch features a compact, NEMA-rated enclosure constructed from durable metal, with a 3-pole configuration and a rotary handle operating mechanism for clear visual indication of on/off status. This device complies with UL 98 and CSA standards for disconnect switches, making it suitable for use in motor control centers, panelboards, and industrial machinery requiring a manual disconnect means. Typical applications include branch circuit isolation in manufacturing plants, commercial HVAC systems, and heavy equipment power distribution.

Key Features & Specifications
  • Type: Heavy-duty disconnect switch, metal enclosure, rotary handle operation
  • Voltage Rating: 600V AC
  • Current Rating: 30A
  • Dimensions: Not specified
  • Standards: UL 98, CSA
  • Applications: Motor control centers, panelboards, industrial machinery isolation
  • Switch Type: Disconnect
  • Configuration: 3-pole
  • Coil Voltage Maximum: Not applicable
  • Temp Rating: Not specified
  • Shipping Dimensions: Not specified
  • Phase: 3-phase
  • Voltage: 600V
  • Amperage: 30A
  • AIC rating: Not specified
  • Connection: Not specified
  • Poles: 3
  • Protection: Overcurrent protection not integrated
  • Functions: On/Off isolation
  • Frame Size: Not specified
  • Trip Type: Not applicable
  • Panel Type: Not specified
  • Breaker Type: Not applicable
  • Control Voltage Minimum: Not applicable
  • Control Voltage Maximum: Not applicable
  • MCM Size: Not specified
  • Metal Type: Steel
  • Panel Style: Not specified
  • Bus Type: Not specified
  • Fuse Class: Not applicable
  • Insulation Temperature: Not specified
  • Inductance: Not specified
  • Impedance: Not specified
  • Barrels: Not specified
  • Class Rating: Not specified
  • Diameter: Not specified
  • Velocity: Not specified
  • Clip Center: Not specified
  • Clas: Not specified
  • Mounting: Panel mount
  • Hz: 50/60 Hz
  • Coil Material: Not applicable
  • Horse Power: Not specified
  • Aux Contacts: Not specified
  • CPT: Not specified
  • Full Load Amps: Not specified
  • Dist Voltage: Not specified
  • Bucket Size: Not specified
  • Bucket Style: Not specified
  • Bucket Type: Not specified
  • Full Load Amp Maximum: Not specified
  • Full Load Amp Minimum: Not specified
  • Enclosure: NEMA rated, metal
  • Relay Style: Not applicable
  • Coil Voltage Minimum: Not applicable
  • Wire: Not specified
  • Amperage Maximum: 30A
  • Amperage Minimum: Not specified
  • Nema Rating: Not specified
  • Switch Style: Rotary handle
  • Wire Size: Not specified
  • Certification: UL, CSA
  • Circuit Breaker Mounting Style: Not applicable
  • Terminal Connection: Not specified
  • Frequency Rating: 50/60 Hz
  • Phase Connection: 3-phase
  • Standards: UL 98, CSA
  • Compatible Frames: Not specified
  • Installation Type: Panel mount
  • Item QTY: 1
  • Nema Starter Size: Not applicable
  • Breaker Frame: Not applicable
  • Current Rating: 30A
  • Reverse Standoff Voltage: Not applicable
  • Watts: Not specified
  • 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: Not specified
  • Max Clamp Voltage: Not applicable
  • On-State Current: Not applicable


Product Identification
  • UPC: 78317587860
  • GTIN: 00783175878604
  • Weight: 5.19 lb