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Cutler Hammer EMA71 - Miniature Circuit Breaker 15A (277/480V AC)

Cutler Hammer
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Cutler Hammer EMA71 is a miniature circuit breaker designed for overcurrent protection in electrical distribution systems. It is rated for 277/480V AC applications with a current rating of 15A and an AIC rating of 10kA. The unit features a compact 3.5 in x 2.25 in x 2.75 in (Length/Depth x Height x Width) footprint, weighs 0.14 lb, and is constructed with a thermoplastic housing for durability. It complies with UL 489 and CSA C22.2 standards for industrial safety. Typical applications include branch circuit protection in panelboards, lighting control panels, and motor control centers.

Key Features & Specifications
  • Type: Miniature Circuit Breaker
  • Voltage Rating: 277/480V AC
  • Current Rating: 15A
  • Dimensions: 3.5 in x 2.25 in x 2.75 in (Length/Depth x Height x Width)
  • Weight: 0.14 lb
  • AIC Rating: 10kA
  • Poles: 1
  • Trip Type: Thermal-magnetic
  • Breaker Type: EMA
  • Frame Size: 1-inch per pole
  • Phase: Single
  • Frequency Rating: 50/60 Hz
  • Terminal Connection: Line and load side screw terminals
  • Standards: UL 489, CSA C22.2
  • Applications: Branch circuit protection in panelboards, lighting control panels, motor control centers
  • Installation Type: Plug-in or bolt-on
  • Circuit Breaker Mounting Style: Panel mount
  • Enclosure: Open style (no enclosure)
  • Wire Size: 14 AWG to 8 AWG
  • Operating Temperature Maximum Celsius: 40°C
  • Metal Type: Copper alloy for current-carrying parts
  • Panel Style: Suitable for standard load centers
  • Bus Type: Tin-plated copper
  • Fuse Class: Not applicable (circuit breaker)
  • Insulation Temperature: 105°C
  • Horse Power: 1 HP at 120V, 2 HP at 240V
  • Aux Contacts: Not included
  • CPT: Not included
  • Full Load Amps: 15A
  • Dist Voltage: 277/480V
  • Bucket Size: Not applicable
  • Bucket Style: Not applicable
  • Bucket Type: Not applicable
  • Full Load Amp Maximum: 15A
  • Full Load Amp Minimum: 15A
  • Relay Style: Not applicable
  • Coil Voltage Minimum: Not applicable
  • Wire: Copper or aluminum
  • Amperage Maximum: 15A
  • Amperage Minimum: 15A
  • Nema Rating: 1
  • Switch Style: Toggle handle
  • Certification: UL listed, CSA certified
  • Compatible Frames: CH series
  • Item QTY: 1
  • Nema Starter Size: Not applicable
  • Breaker Frame: 1-inch
  • Current Rating: 15A
  • Reverse Standoff Voltage: Not applicable
  • Watts: Not applicable
  • 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: 78211482036
  • GTIN: 00782114820360