Siemens B125 - Molded Case Circuit Breaker 25A 1P (240V AC)
Siemens B125 - Molded Case Circuit Breaker 25A 1P (240V AC)
Siemens B125 - Molded Case Circuit Breaker 25A 1P (240V AC)
Siemens B125 - Molded Case Circuit Breaker 25A 1P (240V AC)
Siemens B125 - Molded Case Circuit Breaker 25A 1P (240V AC)
Siemens B125 - Molded Case Circuit Breaker 25A 1P (240V AC)
Siemens B125 - Molded Case Circuit Breaker 25A 1P (240V AC)
Siemens B125 - Molded Case Circuit Breaker 25A 1P (240V AC)

Siemens B125 - Molded Case Circuit Breaker 25A 1P (240V AC)

Siemens
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Siemens B125 is a molded case circuit breaker designed for providing reliable overcurrent and short-circuit protection in single-phase electrical systems. It features a 25A current rating and a 240V AC voltage rating, housed within a compact, bolt-on frame measuring 2.571" x 1.00" x 2.89" and weighing 0.309 lb. The breaker utilizes a thermal-magnetic trip unit for combined long-time and instantaneous (LI) protection, is constructed for an operating temperature range of -25°C to 70°C, and complies with key industry standards including UL, CSA, and NOM. It is typically applied in Siemens P1 panelboards for commercial and light industrial branch circuit protection, supporting wire sizes from 8 AWG to 4 AWG for aluminum and 6 AWG for copper via its lug terminals.

Key Features & Specifications
  • Type: Molded Case Circuit Breaker, Thermal-Magnetic Protection, Bolt-On Connection
  • Voltage Rating: 240V AC
  • Current Rating: 25A
  • Dimensions: 2.571" H x 1.00" W x 2.89" D (65.3mm x 25.4mm x 73.4mm)
  • Weight: 0.309 lb
  • Standards: UL Listed, CSA Certified, HACR Rated, NOM Certified
  • Applications: Branch circuit protection in Siemens P1 Panelboards
  • Switch Type: Circuit Breaker
  • Configuration: Single-Pole (1P)
  • Phase: 1
  • AIC Rating: 10kA @ 240V
  • Connection: Bolt-On, Lug Terminal
  • Poles: 1
  • Protection: Thermal-Magnetic
  • Functions: Long-Time and Instantaneous Trip (LI)
  • Frame Size: 125A/BL
  • Breaker Type: Standard
  • Temp Rating: -25°C to 70°C (-13°F to 158°F)
  • MCM Size / Wire Range: Min. 8 AWG, Max. 4 AWG (Aluminum) / 6 AWG (Copper)
  • Terminal Connection: Lug
  • Panel Type: Siemens P1 Panelboards
  • Certification: UL, CSA, HACR, NOM
  • Family: BL Series
  • Country of Origin: Mexico


Product Identification
  • UPC: 783643263437
  • GTIN: 00783643263437