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Siemens 5SX2125-7 - Miniature Circuit Breaker 25A 1-Pole

Siemens
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Siemens 5SX2125-7 is a miniature circuit breaker from the 5SX2 Series, designed for overcurrent protection in electrical installations. It is rated for 25A at 400V AC with a single pole and provides thermal-magnetic protection with LI (Long-Time and Instantaneous) trip functions. The unit weighs 0.3278 lb, features a feed-thru connection, and is built for DIN rail mounting. It complies with industry standards, offering an interrupting capacity of 6kA at 400V. This circuit breaker is suitable for general-purpose industrial applications requiring compact, single-phase protection.

Key Features & Specifications
  • Manufacturer: Siemens
  • Item Subcategory: Molded Case
  • Family: 5SX2 Series
  • Type: 5SX2
  • Weight: 0.3278 lb
  • Functions: LI - Long-Time and Instantaneous
  • Voltage Rating: 400V
  • Poles: 1
  • Connection: Feed-Thru
  • Protection: Thermal Magnetic
  • AIC rating: 6kA@400V
  • Phase: 1
  • Current Rating: 25A
  • Part Number: 5SX2125-7
  • Series: T55
  • Amperage: 25A
  • Voltage Rating: 230/400V AC
  • Poles: 1
  • Trip Curve: C
  • Interrupt Rating: 6kA
  • Mounting Type: DIN Rail