Altech L Series Circuit Breakers

Altech L Series Circuit Breakers are DIN rail-mounted UL508 miniature circuit breakers that are available in AC and DC versions. These circuit breakers are line / load reversible with 10kA short circuit interrupting capacity and a positive trip indicator (green: off / tripped, red: on). Altech L Series Circuit Breakers measure 17.5mm wide and are thermal magnetic with IP20 terminal protection. Altech L Series offers UL489 molded case miniature circuit breakers and a range of UL1077 supplementary protectors.


  • Available in AC and DC models
  • DIN rail-mounted
  • Thermal magnetic
  • Positive trip indicator (green: off / tripped, red: on)
  • Line / load reversible
  • HACR type 40°C


  • 17.5mm width
  • 240V, 480Y/277VAC, 50Hz/60Hz
  • 125VDC (1 pole) and 250VDC (2 pole)
  • 10kA short circuit interrupting capacity
  • +40°C calibration temperature
  • IP20 terminal protection


Altech L Series Circuit Breakers
Published: 2008-02-21 | Updated: 2022-03-11