Siemens ED43B040 - Molded Case Circuit Breaker, 40A 3P 480V
Siemens ED43B040 - Molded Case Circuit Breaker, 40A 3P 480V
Siemens ED43B040 - Molded Case Circuit Breaker, 40A 3P 480V
Siemens ED43B040 - Molded Case Circuit Breaker, 40A 3P 480V
Siemens ED43B040 - Molded Case Circuit Breaker, 40A 3P 480V
Siemens ED43B040 - Molded Case Circuit Breaker, 40A 3P 480V
Siemens ED43B040 - Molded Case Circuit Breaker, 40A 3P 480V
Siemens ED43B040 - Molded Case Circuit Breaker, 40A 3P 480V
Siemens ED43B040 - Molded Case Circuit Breaker, 40A 3P 480V
Siemens ED43B040 - Molded Case Circuit Breaker, 40A 3P 480V

Siemens ED43B040 - Molded Case Circuit Breaker, 40A 3P 480V

Siemens
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Siemens ED43B040 is a molded case circuit breaker designed for providing reliable overcurrent and short-circuit protection in three-phase electrical systems. It features a 40A continuous current rating and a 480V AC voltage rating, housed within a compact 125A/ED frame with dimensions of 6.693" x 5.906" x 3.948" and a weight of 3.668 lb. This thermal-magnetic breaker offers both long-time and instantaneous trip functions, is HACR rated and UL listed for safety compliance, and is engineered for installation in SB switchboards and Sentron panelboards. Its typical industrial applications include protecting feeders and branch circuits where an 18kA interrupting rating at 480V is required, supporting copper or aluminum conductors from 10 AWG to 1/0 AWG via its load-side lugs, and operating reliably in ambient temperatures from -25°C to 70°C.

Key Features & Specifications
  • Type: Molded Case Circuit Breaker, Thermal-Magnetic Protection, Standard Trip Unit
  • Voltage Rating: 480V AC
  • Current Rating: 40A
  • Frame Size: 125A/ED
  • Poles: 3
  • AIC Rating: 18kA @ 480V AC
  • Connection: Lug In Panelboard, Load Side Terminals
  • Wire Size Range: 10 AWG to 1/0 AWG (Cu/Al)
  • Dimensions: 6.693" H x 5.906" W x 3.948" D (170mm x 150mm x 100.3mm)
  • Weight: 3.668 lb (1.664 kg)
  • Operating Temperature: -25°C to 70°C (-13°F to 158°F)
  • Phase Connection: 3-Phase (ABC)
  • Protection Functions: Long Time & Instantaneous Trip
  • Standards & Certification: HACR Rated, UL Listed
  • Compatible Panel Types: SB Switchboards, Sentron Panelboards
  • Breaker Type: Standard
  • Terminal Connection: Load Side Lug


Product Identification
  • UPC: 783643209411
  • GTIN: 00783643209411