Cutler Hammer E30KA350 - 350A 3-Pole Molded Case Circuit Breaker
Cutler Hammer E30KA350 - 350A 3-Pole Molded Case Circuit Breaker

Cutler Hammer E30KA350 - 350A 3-Pole Molded Case Circuit Breaker

Cutler Hammer
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Cutler Hammer E30KA350 is a 350-amp, 600-volt AC, 3-pole molded case circuit breaker designed for overcurrent and short-circuit protection in industrial power distribution systems. It features a thermal-magnetic trip mechanism with a 65 kAIC at 240VAC interrupting rating, housed in a compact 5-inch depth, 0.2-inch height, and 4-inch width frame weighing 0.1 lb. The breaker is constructed with a heavy-duty metal enclosure and copper bus bars, complying with UL 489 and CSA C22.2 standards for safety and performance. Typical applications include motor control centers, panelboards, and switchboards in manufacturing plants, commercial buildings, and utility substations.

Key Features & Specifications
  • Type: Molded Case Circuit Breaker, thermal-magnetic trip, metal enclosure
  • Voltage Rating: 600 VAC
  • Current Rating: 350 A
  • Dimensions: 5 in x 0.2 in x 4 in (Length/Depth x Height x Width)
  • Standards: UL 489, CSA C22.2
  • Applications: Motor control centers, panelboards, switchboards, industrial power distribution
  • Switch Type: Toggle
  • Configuration: 3-pole, 3-phase
  • Coil Voltage Maximum: Not applicable (thermal-magnetic)
  • Temp Rating: 40°C ambient
  • Shipping Dimensions: 5 in x 0.2 in x 4 in
  • Phase: 3
  • Voltage: 600 VAC
  • Amperage: 350 A
  • AIC rating: 65 kAIC at 240VAC
  • Connection: Line and load lugs
  • Poles: 3
  • Protection: Overcurrent and short-circuit
  • Functions: Circuit isolation and protection
  • Frame Size: E30
  • Trip Type: Thermal-magnetic
  • Panel Type: Industrial panelboard
  • Breaker Type: Molded case
  • Control Voltage Minimum: Not applicable
  • Control Voltage Maximum: Not applicable
  • MCM Size: 350 MCM
  • Metal Type: Copper bus bars, steel enclosure
  • Panel Style: Front-accessible
  • Bus Type: Copper
  • Fuse Class: Not applicable
  • Insulation Temperature: 105°C
  • 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: Panel mount
  • Hz: 50/60 Hz
  • Coil Material: Not applicable
  • Horse Power: Not specified
  • Aux Contacts: Not included
  • CPT: Not included
  • Full Load Amps: 350 A
  • Dist Voltage: 600 VAC
  • Bucket Size: Not applicable
  • Bucket Style: Not applicable
  • Bucket Type: Not applicable
  • Full Load Amp Maximum: 350 A
  • Full Load Amp Minimum: Not applicable
  • Enclosure: Metal
  • Relay Style: Not applicable
  • Coil Voltage Minimum: Not applicable
  • Wire: Copper
  • Amperage Maximum: 350 A
  • Amperage Minimum: Not applicable
  • Nema Rating: 1
  • Switch Style: Toggle
  • Wire Size: 350 MCM
  • Certification: UL, CSA
  • Circuit Breaker Mounting Style: Panel mount
  • Terminal Connection: Lugs
  • Frequency Rating: 50/60 Hz
  • Phase Connection: 3-phase
  • Standards: UL 489, CSA C22.2
  • Compatible Frames: E30 series
  • Installation Type: Fixed
  • Item QTY: 1
  • Nema Starter Size: Not applicable
  • Breaker Frame: E30
  • Current Rating: 350 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: 78211321540
  • GTIN: 00782113215402