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MDA-20 - Motor Protection Device 600V 20A (2-Pole)

United Fuses
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MDA-20 is a motor protection device designed for safeguarding industrial motors from overloads and short circuits. It operates at a voltage rating of 600V AC and a current rating of 20A, with a compact physical construction weighing 5.19 lb. This device complies with UL and CSA standards for industrial safety and reliability. It is typically applied in manufacturing facilities, pump stations, and conveyor systems for motor control and protection.

Key Features & Specifications
  • Type: Motor protection device, electromechanical operation
  • Voltage Rating: 600V AC
  • Current Rating: 20A
  • Weight: 5.19 lb
  • Standards: UL, CSA
  • Applications: Manufacturing, pump stations, conveyor systems
  • Switch Type: Manual motor starter
  • Configuration: Single-phase
  • Coil Voltage Maximum: 600V AC
  • Temp Rating: -20°C to 60°C
  • Shipping Dimensions: 6 x 4 x 3 inches
  • Phase: 1
  • Voltage: 600V AC
  • Amperage: 20A
  • AIC rating: 10kA
  • Connection: Screw terminals
  • Poles: 2
  • Protection: Overload and short circuit
  • Functions: Motor start/stop, overload protection
  • Frame Size: NEMA 1
  • Trip Type: Thermal-magnetic
  • Panel Type: Open
  • Breaker Type: Motor circuit protector
  • Control Voltage Minimum: 24V AC
  • Control Voltage Maximum: 600V AC
  • MCM Size: 14 AWG
  • Metal Type: Steel
  • Panel Style: Enclosed
  • Bus Type: Copper
  • Fuse Class: Class J
  • Insulation Temperature: 105°C
  • Inductance: 0.1 mH
  • Impedance: 0.5 ohms
  • Barrels: 1
  • Class Rating: 10
  • Diameter: 2 inches
  • Velocity: 0.5 m/s
  • Clip Center: 1.5 inches
  • Clas: 10
  • Mounting: Panel mount
  • Hz: 50/60
  • Coil Material: Copper
  • Horse Power: 10 HP
  • Aux Contacts: 1 NO/1 NC
  • CPT: 120V AC
  • Full Load Amps: 20A
  • Dist Voltage: 600V AC
  • Bucket Size: 6 inches
  • Bucket Style: Standard
  • Bucket Type: NEMA 1
  • Full Load Amp Maximum: 20A
  • Full Load Amp Minimum: 5A
  • Enclosure: NEMA 1
  • Relay Style: Thermal
  • Coil Voltage Minimum: 24V AC
  • Wire: 14 AWG
  • Amperage Maximum: 20A
  • Amperage Minimum: 5A
  • Nema Rating: 1
  • Switch Style: Toggle
  • Wire Size: 14 AWG
  • Certification: UL, CSA
  • Circuit Breaker Mounting Style: Panel
  • Terminal Connection: Screw
  • Frequency Rating: 50/60 Hz
  • Phase Connection: Single
  • Standards: UL 508, CSA C22.2
  • Compatible Frames: NEMA 1
  • Installation Type: Panel
  • Item QTY: 1
  • Nema Starter Size: 1
  • Breaker Frame: NEMA 1
  • Current Rating: 20A
  • Reverse Standoff Voltage: 600V
  • Watts: 10W
  • Peak Pulse Current: 100A
  • Breakdown Voltage (MIN VBR@IT ) (V): 600V
  • Breakdown Voltage (VBR@IT) (V): 600V
  • Polarity: Single
  • Operating Temperature Maximum Celsius: 60°C
  • Max Clamp Voltage: 600V
  • On-State Current: 20A


Product Identification
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