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Cutler Hammer EML27 - Molded Case Circuit Breaker 27A 3-Pole

Cutler Hammer
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Cutler Hammer EML27 is a molded case circuit breaker designed for overcurrent protection in industrial power distribution systems. It is rated for 277/480V AC applications with a current rating of 27 amps and an AIC rating of 14 kA at 480V AC. The unit features a compact frame size with dimensions of 12.1 inches in length/depth, 3.1 inches in height, and 5 inches in width, weighing 0.8 lb, and is constructed with a thermoplastic housing and line/load side lug connections. This breaker complies with UL 489 and CSA C22.2 standards for safety and performance. It is typically used in panelboards, switchboards, and motor control centers for branch circuit protection in commercial and industrial facilities.

Key Features & Specifications
  • Type: Molded case circuit breaker, thermal-magnetic trip, fixed trip
  • Voltage Rating: 277/480V AC
  • Current Rating: 27 A
  • Dimensions: 12.1 in x 3.1 in x 5 in (Length/Depth x Height x Width)
  • Standards: UL 489, CSA C22.2
  • Applications: Branch circuit protection in panelboards, switchboards, motor control centers
  • Switch Type: Toggle
  • Configuration: 3-pole
  • Coil Voltage Maximum: Not applicable (thermal-magnetic)
  • Temp Rating: 40°C ambient
  • Shipping Dimensions: 12.1 in x 3.1 in x 5 in
  • Phase: 3-phase
  • Voltage: 277/480V AC
  • Amperage: 27 A
  • AIC rating: 14 kA at 480V AC
  • Connection: Line and load side lugs
  • Poles: 3
  • Protection: Overcurrent (overload and short circuit)
  • Functions: Circuit isolation and protection
  • Frame Size: E-frame
  • Trip Type: Fixed thermal-magnetic
  • Panel Type: Suitable for panelboard and switchboard mounting
  • Breaker Type: Molded case
  • Control Voltage Minimum: Not applicable
  • Control Voltage Maximum: Not applicable
  • MCM Size: Not applicable
  • Metal Type: Copper alloy contacts
  • Panel Style: Standard
  • Bus Type: Not applicable
  • Fuse Class: Not applicable
  • Insulation Temperature: 105°C (thermoplastic housing)
  • Inductance: Not specified
  • Impedance: Not specified
  • Barrels: Not applicable
  • Class Rating: Not applicable
  • Diameter: Not applicable
  • Velocity: Not applicable
  • Clip Center: Not applicable
  • Clas: Not applicable
  • Mounting: Bolt-on or plug-in
  • Hz: 50/60 Hz
  • Coil Material: Not applicable
  • Horse Power: Not specified
  • Aux Contacts: Not included
  • CPT: Not included
  • Full Load Amps: 27 A
  • Dist Voltage: 277/480V AC
  • Bucket Size: Not applicable
  • Bucket Style: Not applicable
  • Bucket Type: Not applicable
  • Full Load Amp Maximum: 27 A
  • Full Load Amp Minimum: 27 A
  • Enclosure: Open (no enclosure)
  • Relay Style: Not applicable
  • Coil Voltage Minimum: Not applicable
  • Wire: Copper or aluminum
  • Amperage Maximum: 27 A
  • Amperage Minimum: 27 A
  • Nema Rating: Not applicable
  • Switch Style: Toggle
  • Wire Size: #14 AWG to #4 AWG (copper/aluminum)
  • Certification: UL 489, CSA C22.2
  • Circuit Breaker Mounting Style: Bolt-on or plug-in
  • Terminal Connection: Line and load side lugs
  • Frequency Rating: 50/60 Hz
  • Phase Connection: 3-phase
  • Standards: UL 489, CSA C22.2
  • Compatible Frames: E-frame panelboards and switchboards
  • Installation Type: Fixed
  • Item QTY: 1
  • Nema Starter Size: Not applicable
  • Breaker Frame: E-frame
  • Current Rating: 27 A
  • 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: 78211488384
  • GTIN: 00782114883846