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Siemens SW4040L1200 - Main Breaker 1200A 240V 4-Pole

Siemens
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The Siemens SW4040L1200 is a 1200A main breaker load center designed for primary overcurrent protection in commercial and industrial power distribution systems. It operates at 240V AC with a continuous current rating of 1200A, featuring a 4-pole configuration and a 65kAIC at 240VAC for robust fault interruption. The unit weighs 5.19 lb and is constructed with a NEMA 1 enclosure for indoor use, utilizing a bolt-on connection type and a 1200A frame size with a thermal-magnetic trip mechanism. It complies with UL 67 and NEC standards, ensuring reliable performance in demanding environments. Typical applications include main service entrance panels, feeder distribution, and heavy machinery protection in factories, data centers, and large commercial buildings.

Key Features & Specifications
  • Type: Main breaker load center, thermal-magnetic trip, NEMA 1 enclosure
  • Voltage Rating: 240V AC
  • Current Rating: 1200A
  • Dimensions: Not specified
  • Standards: UL 67, NEC compliant
  • Applications: Main service entrance, feeder distribution, heavy machinery protection
  • Switch Type: Main breaker
  • Configuration: 4-pole, 3-phase
  • Coil Voltage Maximum: Not applicable
  • Temp Rating: Not specified
  • Shipping Dimensions: Not specified
  • Phase: 3-phase
  • Voltage: 240V AC
  • Amperage: 1200A
  • AIC rating: 65kAIC at 240VAC
  • Connection: Bolt-on
  • Poles: 4
  • Protection: Overcurrent
  • Functions: Main disconnect, circuit protection
  • Frame Size: 1200A
  • Trip Type: Thermal-magnetic
  • Panel Type: Load center
  • Breaker Type: Main breaker
  • Control Voltage Minimum: Not applicable
  • Control Voltage Maximum: Not applicable
  • MCM Size: Not specified
  • Metal Type: Steel enclosure
  • Panel Style: Main breaker
  • Bus Type: Copper or aluminum (not specified)
  • Fuse Class: Not applicable
  • Insulation Temperature: Not specified
  • Inductance: Not applicable
  • Impedance: Not specified
  • Barrels: Not applicable
  • Class Rating: Not applicable
  • Diameter: Not applicable
  • Velocity: Not applicable
  • Clip Center: Not applicable
  • Clas: Not applicable
  • Mounting: Indoor, surface or flush
  • Hz: 60 Hz
  • Coil Material: Not applicable
  • Horse Power: Not specified
  • Aux Contacts: Not specified
  • CPT: Not specified
  • Full Load Amps: 1200A
  • Dist Voltage: 240V AC
  • Bucket Size: Not applicable
  • Bucket Style: Not applicable
  • Bucket Type: Not applicable
  • Full Load Amp Maximum: 1200A
  • Full Load Amp Minimum: Not specified
  • Enclosure: NEMA 1
  • Relay Style: Not applicable
  • Coil Voltage Minimum: Not applicable
  • Wire: Not specified
  • Amperage Maximum: 1200A
  • Amperage Minimum: Not specified
  • Nema Rating: NEMA 1
  • Switch Style: Main breaker
  • Wire Size: Not specified
  • Certification: UL listed
  • Circuit Breaker Mounting Style: Bolt-on
  • Terminal Connection: Bolt-on
  • Frequency Rating: 60 Hz
  • Phase Connection: 3-phase, 4-wire
  • Standards: UL 67, NEC
  • Compatible Frames: 1200A frame
  • Installation Type: Indoor
  • Item QTY: 1
  • Nema Starter Size: Not applicable
  • Breaker Frame: 1200A
  • Current Rating: 1200A
  • 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: Not specified
  • Max Clamp Voltage: Not applicable
  • On-State Current: Not applicable


Product Identification
  • UPC: 04089265162
  • GTIN: 00040892651621