1489 Thermal-magnetic Circuit Breakers

Bulletin 1489-M Thermal-magnetic Circuit Breakers are UL 489 Listed for branch circuit protection in the United States and Canada, and they are certified as Miniature Circuit Breakers for IEC applications. These circuit breakers are ideal for extreme ambient conditions, feature fast breaking time, and superior shock and vibration resistance.

SKU: 1489-thermal-magnetic-circuit-breakers Category:



  • Includes 0.5…63 A miniature circuit breakers
  • Available in 1-, 2-, and 3-pole versions
  • Provides C and D trip curves
  • Current limiting
  • Offers dual terminals for wiring and bus bar flexibility
  • Includes reversible line and load connections


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