Cutler Hammer ECL03B1H4A - 3-Pole 30A 600V Circuit Breaker
Cutler Hammer ECL03B1H4A - 3-Pole 30A 600V Circuit Breaker

Cutler Hammer ECL03B1H4A - 3-Pole 30A 600V Circuit Breaker

Cutler Hammer
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Cutler Hammer ECL03B1H4A is a molded case circuit breaker designed for primary overcurrent and short-circuit protection in industrial power distribution systems. It is rated for 600V AC maximum with a current rating of 30A, providing reliable interruption under fault conditions. The breaker measures 7.73 inches in depth, 12.6 inches in height, and 5.84 inches in width, weighing 5.2 lb, with a compact construction suitable for panelboard mounting. It complies with UL 489 and CSA standards for safety and performance in commercial and industrial environments. Typical applications include branch circuit protection in motor control centers, lighting panels, and switchboards.

Key Features & Specifications
  • Type: Molded case circuit breaker, thermal-magnetic trip
  • Voltage Rating: 600V AC
  • Current Rating: 30A
  • Dimensions: 7.73 in x 12.6 in x 5.84 in (Length/Depth x Height x Width)
  • Standards: UL 489, CSA
  • Applications: Branch circuit protection in motor control centers, lighting panels, switchboards
  • Switch Type: Toggle
  • Configuration: 3-pole
  • Coil Voltage Maximum: Not applicable (thermal-magnetic)
  • Temp Rating: 40°C ambient
  • Shipping Dimensions: 7.73 in x 12.6 in x 5.84 in
  • Phase: 3-phase
  • Voltage: 600V AC
  • Amperage: 30A
  • AIC rating: 10kA at 600V AC
  • Connection: Line and load lugs
  • Poles: 3
  • Protection: Overcurrent and short-circuit
  • Functions: Circuit isolation and protection
  • Frame Size: ECL
  • Trip Type: Thermal-magnetic
  • Panel Type: Panelboard
  • Breaker Type: Molded case
  • Control Voltage Minimum: Not applicable
  • Control Voltage Maximum: Not applicable
  • MCM Size: Not applicable
  • Metal Type: Steel enclosure
  • Panel Style: Flush mount
  • Bus Type: Not applicable
  • Fuse Class: Not applicable
  • Insulation Temperature: 105°C
  • Inductance: Not applicable
  • Impedance: Not applicable
  • Barrels: Not applicable
  • Class Rating: Not applicable
  • Diameter: Not applicable
  • Velocity: Not applicable
  • Clip Center: Not applicable
  • Clas: Not applicable
  • Mounting: Panelboard
  • Hz: 50/60 Hz
  • Coil Material: Not applicable
  • Horse Power: 30 HP at 600V AC
  • Aux Contacts: Not included
  • CPT: Not included
  • Full Load Amps: 30A
  • Dist Voltage: 600V AC
  • Bucket Size: Not applicable
  • Bucket Style: Not applicable
  • Bucket Type: Not applicable
  • Full Load Amp Maximum: 30A
  • Full Load Amp Minimum: 0A
  • Enclosure: Open style
  • Relay Style: Not applicable
  • Coil Voltage Minimum: Not applicable
  • Wire: Copper or aluminum
  • Amperage Maximum: 30A
  • Amperage Minimum: 0A
  • Nema Rating: Not applicable
  • Switch Style: Toggle
  • Wire Size: 14 AWG to 8 AWG
  • Certification: UL, CSA
  • Circuit Breaker Mounting Style: Fixed
  • Terminal Connection: Lug
  • Frequency Rating: 50/60 Hz
  • Phase Connection: 3-phase
  • Standards: UL 489, CSA C22.2
  • Compatible Frames: ECL series
  • Installation Type: Panelboard
  • Item QTY: 1
  • Nema Starter Size: Not applicable
  • Breaker Frame: ECL
  • Current Rating: 30A
  • 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: 78211403928
  • GTIN: 00782114039281