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Siemens S4040C1200 - 1200A Molded Case Circuit Breaker

Siemens
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Siemens S4040C1200 is a 1200A molded case circuit breaker designed for primary overcurrent and short-circuit protection in industrial power distribution systems. It operates at 600V AC maximum with a current rating of 1200A, featuring a compact frame size for panelboard integration. The unit weighs 5.19 lb and is constructed with a thermoplastic housing and copper alloy contacts for reliable performance. It complies with UL 489 and CSA C22.2 standards for safety and performance. Typical applications include main disconnect, feeder protection, and branch circuit protection in manufacturing plants, data centers, and commercial buildings.

Key Features & Specifications
  • Type: Molded case circuit breaker, thermal-magnetic trip, non-fused
  • Voltage Rating: 600V AC
  • Current Rating: 1200A
  • Dimensions: Compact frame size for panelboard mounting
  • Standards: UL 489, CSA C22.2
  • Applications: Main disconnect, feeder protection, branch circuit protection
  • Switch Type: Non-fusible
  • Configuration: 3-pole
  • Coil Voltage Maximum: Not applicable (thermal-magnetic)
  • Temp Rating: 40°C ambient
  • Shipping Dimensions: Not specified
  • Phase: 3-phase
  • Voltage: 600V AC
  • Amperage: 1200A
  • AIC rating: Not specified
  • Connection: Line and load lugs
  • Poles: 3
  • Protection: Overcurrent and short-circuit
  • Functions: Thermal-magnetic trip
  • Frame Size: Compact
  • Trip Type: Thermal-magnetic
  • Panel Type: Panelboard
  • Breaker Type: Molded case
  • Control Voltage Minimum: Not applicable
  • Control Voltage Maximum: Not applicable
  • MCM Size: Not specified
  • Metal Type: Copper alloy contacts
  • Panel Style: Not specified
  • Bus Type: Not specified
  • Fuse Class: Not applicable (non-fused)
  • Insulation Temperature: 105°C
  • Inductance: Not specified
  • Impedance: Not specified
  • Barrels: Not specified
  • Class Rating: Not specified
  • Diameter: Not specified
  • Velocity: Not specified
  • Clip Center: Not specified
  • Clas: Not specified
  • Mounting: Panelboard
  • Hz: 50/60 Hz
  • Coil Material: Not applicable
  • Horse Power: Not specified
  • Aux Contacts: Not specified
  • CPT: Not specified
  • Full Load Amps: 1200A
  • Dist Voltage: Not specified
  • Bucket Size: Not specified
  • Bucket Style: Not specified
  • Bucket Type: Not specified
  • Full Load Amp Maximum: 1200A
  • Full Load Amp Minimum: Not specified
  • Enclosure: Open
  • Relay Style: Not applicable
  • Coil Voltage Minimum: Not applicable
  • Wire: Not specified
  • Amperage Maximum: 1200A
  • Amperage Minimum: Not specified
  • Nema Rating: Not specified
  • Switch Style: Non-fusible
  • Wire Size: Not specified
  • Certification: UL, CSA
  • Circuit Breaker Mounting Style: Panelboard
  • Terminal Connection: Lugs
  • Frequency Rating: 50/60 Hz
  • Phase Connection: 3-phase
  • Standards: UL 489, CSA C22.2
  • Compatible Frames: Siemens panelboards
  • Installation Type: Fixed
  • Item QTY: 1
  • Nema Starter Size: Not applicable
  • Breaker Frame: Compact
  • 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: 40°C
  • Max Clamp Voltage: Not applicable
  • On-State Current: Not applicable


Product Identification
  • UPC: 004089291888