Cutler Hammer MSH156A - Molded Case Switch 600A 600V
Cutler Hammer MSH156A - Molded Case Switch 600A 600V

Cutler Hammer MSH156A - Molded Case Switch 600A 600V

Cutler Hammer
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Cutler Hammer MSH156A is a molded case switch designed for industrial load isolation and disconnect applications. It is rated for 600V AC and 600A continuous current, housed in a compact 5.19 lb frame with a robust thermoplastic enclosure. This switch complies with UL 98 and NEMA standards for safety and reliability in harsh environments. Typical applications include motor disconnects, panelboard mains, and branch circuit isolation in manufacturing and power distribution systems.

Key Features & Specifications
  • Type: Molded case switch, non-fusible, manual operation
  • Voltage Rating: 600V AC
  • Current Rating: 600A
  • Dimensions: 5.19 lb weight
  • Standards: UL 98, NEMA
  • Applications: Motor disconnects, panelboard mains, branch circuit isolation
  • Switch Type: Non-fusible disconnect
  • Configuration: 3-pole
  • Coil Voltage Maximum: Not applicable (manual switch)
  • Temp Rating: 40°C ambient
  • Shipping Dimensions: 5.19 lb
  • Phase: 3-phase
  • Voltage: 600V AC
  • Amperage: 600A
  • AIC rating: 10kA at 600V AC
  • Connection: Line and load lugs
  • Poles: 3
  • Protection: Overcurrent protection not integral (switch only)
  • Functions: On/Off isolation
  • Frame Size: MSH
  • Trip Type: None (switch only)
  • Panel Type: Industrial
  • Breaker Type: Molded case switch
  • Control Voltage Minimum: Not applicable
  • Control Voltage Maximum: Not applicable
  • MCM Size: 500 MCM
  • Metal Type: Copper alloy contacts
  • Panel Style: Surface mount
  • Bus Type: Copper
  • Fuse Class: Not applicable (non-fusible)
  • Insulation Temperature: 105°C
  • Inductance: Not specified
  • Impedance: Not specified
  • Barrels: 1 per pole
  • Class Rating: Not applicable
  • 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: 500 HP at 600V AC
  • Aux Contacts: Not included
  • CPT: Not included
  • Full Load Amps: 600A
  • Dist Voltage: 600V AC
  • Bucket Size: Not applicable
  • Bucket Style: Not applicable
  • Bucket Type: Not applicable
  • Full Load Amp Maximum: 600A
  • Full Load Amp Minimum: 0A
  • Enclosure: Open style
  • Relay Style: Not applicable
  • Coil Voltage Minimum: Not applicable
  • Wire: Copper or aluminum
  • Amperage Maximum: 600A
  • Amperage Minimum: 0A
  • Nema Rating: 1 (indoor)
  • Switch Style: Rotary handle
  • Wire Size: 500 MCM max
  • Certification: UL listed
  • Circuit Breaker Mounting Style: Panel mount
  • Terminal Connection: Lug type
  • Frequency Rating: 50/60 Hz
  • Phase Connection: 3-wire
  • Standards: UL 98, NEMA AB-1
  • Compatible Frames: MSH series
  • Installation Type: Fixed
  • Item QTY: 1
  • Nema Starter Size: Not applicable
  • Breaker Frame: MSH
  • Current Rating: 600A
  • 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: 40°C
  • Max Clamp Voltage: Not applicable
  • On-State Current: Not applicable


Product Identification
  • UPC: 78667824218
  • GTIN: 00786678242187