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Siemens Furnas 48DC37AA4 - Thermal Overload Relay 30A 600VAC

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Siemens Furnas Electric Co 48DC37AA4 is a thermal overload relay designed to protect motor control circuits and electrical equipment from overload conditions. This bi-metal relay is rated for 30 amperes at 600 volts AC, with three poles and one normally closed contact configuration to ensure reliable and repeatable trip performance. The compact unit weighs 2 lb and is constructed with a bi-metal design that provides consistent thermal characteristics across varying ambient temperatures. It complies with industry standards for motor protection in industrial environments. Typical applications include safeguarding three-phase motors and equipment within Furnas 48DC series motor starters.

Key Features & Specifications
  • Type: Thermal Overload Relay
  • Amperage Rating: 30 Amps
  • Voltage Rating: 600 VAC
  • Poles: 3
  • Contact Configuration: 1 N.C. (Normally Closed)
  • Bi-Metal Design: Yes
  • Series: 48DC
  • Manufacturer: Siemens Furnas Electric Co
  • Weight: 2 lb