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Eaton M22WRK3 - Rotary Disconnect Switch 600V 20A

Cutler Hammer
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Eaton Cutler Hammer M22WRK3 is a heavy-duty rotary disconnect switch designed for reliable circuit isolation and safety lockout in industrial power distribution systems. It is rated for 600V AC and 20A continuous current, housed in a compact NEMA 4X enclosure constructed from corrosion-resistant stainless steel for harsh environments. The switch complies with UL 98 and CSA C22.2 standards, ensuring safe disconnection under load. Typical applications include motor control centers, panelboards, and machinery requiring a visible-break disconnect.

Key Features & Specifications
  • Type: Heavy-duty rotary disconnect switch, non-fusible, maintained or momentary operation
  • Voltage Rating: 600V AC
  • Current Rating: 20A
  • Dimensions: 4.5" H x 3.5" W x 3.0" D
  • Standards: UL 98, CSA C22.2
  • Applications: Motor control centers, panelboards, industrial machinery
  • Switch Type: Rotary
  • Configuration: 3-pole, single-throw
  • Coil Voltage Maximum: N/A (manual switch)
  • Temp Rating: -20°C to 60°C
  • Shipping Dimensions: 5.0" x 4.0" x 3.5"
  • Phase: 3-phase
  • Voltage: 600V AC
  • Amperage: 20A
  • AIC rating: 10kA at 600V AC
  • Connection: Screw terminals
  • Poles: 3
  • Protection: Overload and short-circuit (via external fuse)
  • Functions: On/Off disconnect
  • Frame Size: NEMA 4X
  • Trip Type: N/A (manual switch)
  • Panel Type: Surface mount
  • Breaker Type: N/A
  • Control Voltage Minimum: N/A
  • Control Voltage Maximum: N/A
  • MCM Size: N/A
  • Metal Type: Stainless steel
  • Panel Style: NEMA 4X
  • Bus Type: N/A
  • Fuse Class: N/A
  • 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
  • Coil Material: N/A
  • Horse Power: 7.5 HP at 600V
  • Aux Contacts: 1 N.O. + 1 N.C.
  • CPT: N/A
  • Full Load Amps: 20A
  • Dist Voltage: 600V
  • Bucket Size: N/A
  • Bucket Style: N/A
  • Bucket Type: N/A
  • Full Load Amp Maximum: 20A
  • Full Load Amp Minimum: 0A
  • Enclosure: NEMA 4X stainless steel
  • Relay Style: N/A
  • Coil Voltage Minimum: N/A
  • Wire: 14 AWG to 10 AWG
  • Amperage Maximum: 20A
  • Amperage Minimum: 0A
  • Nema Rating: 4X
  • Switch Style: Rotary
  • Wire Size: 14-10 AWG
  • Certification: UL, CSA
  • Circuit Breaker Mounting Style: N/A
  • Terminal Connection: Screw
  • Frequency Rating: 50/60 Hz
  • Phase Connection: 3-phase
  • Standards: UL 98, CSA C22.2
  • Compatible Frames: N/A
  • Installation Type: Surface
  • Item QTY: 1
  • Nema Starter Size: N/A
  • Breaker Frame: N/A
  • Current Rating: 20A
  • 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: 60°C
  • Max Clamp Voltage: N/A
  • On-State Current: N/A


Product Identification
  • UPC: 78668528170
  • GTIN: 00786685281704