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Cutler Hammer MSH37A - Molded Case Switch 37A 600V

Cutler Hammer
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Cutler Hammer MSH37A is a molded case switch designed for isolating and switching electrical circuits in industrial power distribution systems. It is rated for 600V AC and carries a continuous current rating of 37 amps, providing reliable on-load switching capability. The unit features a compact, rugged construction with a weight of 5.19 lb, suitable for panelboard or switchboard mounting. This switch complies with UL 489 and NEMA standards for safety and performance in demanding environments. Typical applications include motor disconnects, feeder isolation, and branch circuit switching in manufacturing plants and commercial facilities.

Key Features & Specifications
  • Type: Molded case switch, non-fusible, manual operation
  • Voltage Rating: 600V AC
  • Current Rating: 37A
  • Dimensions: Not specified
  • Standards: UL 489, NEMA
  • Applications: Motor disconnects, feeder isolation, branch circuit switching
  • Switch Type: Molded case switch
  • Configuration: 3-pole
  • Coil Voltage Maximum: Not applicable (manual switch)
  • Temp Rating: Not specified
  • Shipping Dimensions: Not specified
  • Phase: 3-phase
  • Voltage: 600V AC
  • Amperage: 37A
  • AIC rating: Not specified
  • Connection: Line and load terminals
  • Poles: 3
  • Protection: Overcurrent protection not provided (switch only)
  • Functions: On/off switching, isolation
  • Frame Size: Not specified
  • Trip Type: Not applicable
  • Panel Type: Not specified
  • Breaker Type: Molded case switch
  • Control Voltage Minimum: Not applicable
  • Control Voltage Maximum: Not applicable
  • MCM Size: Not specified
  • Metal Type: Not specified
  • 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 or switchboard
  • 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: Not specified
  • Relay Style: Not applicable
  • Coil Voltage Minimum: Not applicable
  • Wire: Not specified
  • Amperage Maximum: 37A
  • Amperage Minimum: Not specified
  • Nema Rating: Not specified
  • Switch Style: Molded case
  • Wire Size: Not specified
  • Certification: UL 489
  • Circuit Breaker Mounting Style: Fixed
  • Terminal Connection: Not specified
  • Frequency Rating: 50/60 Hz
  • Phase Connection: 3-phase
  • Standards: UL 489, NEMA
  • Compatible Frames: Not specified
  • Installation Type: Panelboard or switchboard
  • Item QTY: 1
  • Nema Starter Size: Not applicable
  • Breaker Frame: Not specified
  • Current Rating: 37A
  • 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: 78667824177
  • GTIN: 00786678241777