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Cutler Hammer C320TM3000T - Thermal Overload Relay (2.5-4A, 600V)

Cutler Hammer
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Cutler Hammer C320TM3000T is a heavy-duty motor control relay designed for providing reliable overload protection and control in industrial three-phase motor circuits. It is rated for 600V AC and features a 3000A interrupting capacity to handle demanding fault conditions, constructed with a robust design for panel mounting in control enclosures. This relay complies with relevant industrial standards for motor protection and is typically applied in manufacturing, HVAC, and material handling systems to safeguard motors from overloads and phase loss.

Key Features & Specifications
  • Type: C320 Thermal Overload Relay, Manual Reset
  • Voltage Rating: 600V AC
  • Current Rating: Adjustable, 2.5 - 4.0 Amps Full Load
  • Dimensions: Panel Mount
  • Standards: Industrial Motor Control Standards
  • Applications: Three-Phase Motor Protection in Industrial Panels
  • Switch Type: SPDT Auxiliary Contacts
  • Configuration: Three-Pole
  • Coil Voltage Maximum: Not Applicable (Direct Sensing)
  • Temp Rating: Standard Industrial
  • Phase: Three-Phase
  • Amperage: 2.5 - 4.0 A Adjustable
  • AIC rating: 3000A
  • Connection: Screw Terminal
  • Poles: 3
  • Protection: Overload, Phase Loss
  • Functions: Motor Protection, Control
  • Trip Type: Thermal, Bimetallic
  • Control Voltage Minimum: Not Applicable
  • Control Voltage Maximum: Not Applicable
  • Mounting: Panel Mount
  • Hz: 50/60 Hz
  • Horse Power: Corresponds to FLA Setting
  • Aux Contacts: 1NO/1NC
  • Full Load Amps: 2.5 - 4.0 A Adjustable
  • Enclosure: Open Style for Panel Mounting
  • Coil Voltage Minimum: Not Applicable
  • Amperage Maximum: 4.0 A
  • Amperage Minimum: 2.5 A
  • Nema Rating: Industrial
  • Wire Size: Accepts #14 - #10 AWG
  • Certification: cULus Listed
  • Terminal Connection: Screw
  • Frequency Rating: 50/60 Hz
  • Phase Connection: 3-Phase
  • Standards: UL 508, CSA C22.2 No. 14
  • Installation Type: Panel Mount
  • Item QTY: 1
  • Nema Starter Size: Compatible with NEMA Size 00 - 4 Starters
  • Current Rating: 2.5 - 4.0 A Adjustable
  • Operating Temperature Maximum Celsius: 60°C (140°F) Ambient
  • Weight: 5 lb


Product Identification
  • Manufacturer: Cutler Hammer
  • Model: C320TM3000T
  • Item Subcategory: Motor Control Part And Accessory
  • Section: Relays