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Siemens ECHA125 - 1-Pole 125A Circuit Breaker (120/240V AC)

Siemens
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Siemens ECHA125 is a molded case circuit breaker designed for branch circuit protection in industrial power distribution systems. It is rated for 120/240 volts AC with a 125-amp current capacity, featuring a 10,000 AIC interrupting rating for fault clearance. The unit has a 1-pole configuration with a thermal-magnetic trip mechanism, housed in a compact frame with a 5.19 lb weight and dimensions suitable for panelboard installation. It complies with UL 489 standards for safety and reliability in commercial and light industrial environments. Typical applications include feeder protection in lighting panels, motor control centers, and general-purpose load centers.

Key Features & Specifications
  • Type: Molded case circuit breaker, thermal-magnetic trip
  • Voltage Rating: 120/240 V AC
  • Current Rating: 125 A
  • Dimensions: Standard 1-inch per pole width
  • Standards: UL 489
  • Applications: Branch circuit protection, panelboard feeder
  • Switch Type: Toggle handle
  • Configuration: 1-pole
  • Coil Voltage Maximum: Not applicable (thermal-magnetic)
  • Temp Rating: 40°C ambient
  • Shipping Dimensions: 3.5 x 2.5 x 4.0 in
  • Phase: Single-phase
  • Voltage: 120/240 V AC
  • Amperage: 125 A
  • AIC rating: 10 kA
  • Connection: Line and load lugs
  • Poles: 1
  • Protection: Overload and short circuit
  • Functions: On/Off switching, trip indication
  • Frame Size: E-frame
  • Trip Type: Thermal-magnetic
  • Panel Type: Compatible with Siemens panelboards
  • Breaker Type: ECHA
  • Control Voltage Minimum: Not applicable
  • Control Voltage Maximum: Not applicable
  • MCM Size: Not applicable
  • Metal Type: Steel and copper contacts
  • Panel Style: Load center
  • Bus Type: Plug-on
  • 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: 1.0 in
  • Clas: Not applicable
  • Mounting: Plug-on
  • Hz: 60 Hz
  • Coil Material: Not applicable
  • Horse Power: Not rated
  • Aux Contacts: Not included
  • CPT: Not included
  • Full Load Amps: 125 A
  • Dist Voltage: 120/240 V AC
  • Bucket Size: Not applicable
  • Bucket Style: Not applicable
  • Bucket Type: Not applicable
  • Full Load Amp Maximum: 125 A
  • Full Load Amp Minimum: 0 A
  • Enclosure: Open style
  • Relay Style: Not applicable
  • Coil Voltage Minimum: Not applicable
  • Wire: Copper or aluminum
  • Amperage Maximum: 125 A
  • Amperage Minimum: 0 A
  • Nema Rating: Not applicable
  • Switch Style: Toggle
  • Wire Size: 14 AWG to 1/0 AWG
  • Certification: UL listed
  • Circuit Breaker Mounting Style: Plug-on
  • Terminal Connection: Screw lugs
  • Frequency Rating: 60 Hz
  • Phase Connection: Single-phase
  • Standards: UL 489, CSA
  • Compatible Frames: Siemens E-frame
  • Installation Type: Panelboard
  • Item QTY: 1
  • Nema Starter Size: Not applicable
  • Breaker Frame: E-frame
  • Current Rating: 125 A
  • 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: 078364347232
  • GTIN: 00783643472327