Siemens 5SY61257 - Molded Case Breaker 25A 400V
Siemens 5SY61257 - Molded Case Breaker 25A 400V

Siemens 5SY61257 - Molded Case Breaker 25A 400V

Siemens
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Siemens 5SY61257 Circuit Breaker is a 1-pole molded case circuit breaker designed for thermal magnetic protection in industrial applications. It provides LI (Long-Time and Instantaneous) protection functions with a voltage rating of 400V and a current rating of 25A, featuring a feed-thru connection and a 6kA interrupting capacity at 400V. The unit measures 3.661 x 0.827 x 3.268 inches and weighs 0.337 lb, constructed for single-phase operation. It complies with CSA 22.2, EN 60898-1/-2, EN 60947-2, GB 10963.1/.2, and UL 1077 standards. This breaker is suitable for overcurrent protection in industrial control panels and distribution systems.

Key Features & Specifications
  • Type: Molded Case, Thermal Magnetic, Feed-Thru Connection
  • Voltage Rating: 400V
  • Current Rating: 25A
  • Dimensions: 3.661 x 0.827 x 3.268 inch
  • Standards: CSA 22.2, EN 60898-1/-2, EN 60947-2, GB 10963.1/.2, UL 1077
  • Applications: Industrial overcurrent protection, control panels, distribution systems
  • Switch Type: Circuit Breaker
  • Configuration: 1 Pole
  • Coil Voltage Maximum: Not applicable
  • Temp Rating: Not specified
  • Shipping Dimensions: Not specified
  • Phase: 1
  • Voltage: 400V
  • Amperage: 25A
  • AIC rating: 6kA@400V
  • Connection: Feed-Thru
  • Poles: 1
  • Protection: Thermal Magnetic
  • Functions: LI - Long-Time and Instantaneous
  • Frame Size: Not specified
  • Trip Type: Thermal Magnetic
  • Panel Type: Not specified
  • Breaker Type: Molded Case
  • Control Voltage Minimum: Not applicable
  • Control Voltage Maximum: Not applicable
  • MCM Size: Not applicable
  • Metal Type: Not specified
  • Panel Style: Not specified
  • Bus Type: Not specified
  • Fuse Class: Not applicable
  • Insulation Temperature: Not specified
  • 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: Not specified
  • Hz: Not specified
  • Coil Material: Not applicable
  • Horse Power: Not specified
  • Aux Contacts: Not specified
  • CPT: Not applicable
  • Full Load Amps: Not specified
  • Dist Voltage: Not applicable
  • Bucket Size: Not applicable
  • Bucket Style: Not applicable
  • Bucket Type: Not applicable
  • Full Load Amp Maximum: Not specified
  • Full Load Amp Minimum: Not specified
  • Enclosure: Not specified
  • Relay Style: Not applicable
  • Coil Voltage Minimum: Not applicable
  • Wire: Not specified
  • Amperage Maximum: 25A
  • Amperage Minimum: Not specified
  • Nema Rating: Not specified
  • Switch Style: Not specified
  • Wire Size: Not specified
  • Certification: CSA 22.2, EN 60898-1/-2, EN 60947-2, GB 10963.1/.2, UL 1077
  • Circuit Breaker Mounting Style: Not specified
  • Terminal Connection: Feed-Thru
  • Frequency Rating: Not specified
  • Phase Connection: 1 Phase
  • Standards: CSA 22.2, EN 60898-1/-2, EN 60947-2, GB 10963.1/.2, UL 1077
  • Compatible Frames: Not specified
  • Installation Type: Not specified
  • Item QTY: 1
  • Nema Starter Size: Not applicable
  • Breaker Frame: Not specified
  • Current Rating: 25A
  • 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: 754554864822