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Siemens 48JB18AA2L - Thermal Overload Relay 0.1-0.5A

Siemens
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The Siemens 48JB18AA2L is a Class 48 thermal overload relay designed to protect AC motors from sustained overcurrent conditions by monitoring motor current and tripping a control circuit when excessive heat is generated. This relay is rated for use with a maximum control voltage of 600V AC and supports a current range from 0.1 to 0.5 amps, with a full load amp maximum of 0.5 and minimum of 0.1. It features a compact design with a weight of 5 lb, utilizes a bimetallic thermal trip mechanism, and is constructed for panel mounting with a NEMA-rated enclosure. The device complies with industry standards for motor protection and is suitable for use in Siemens Class 48 motor control centers. Typical applications include protecting fractional horsepower motors in conveyor systems, pumps, and fans within industrial automation environments.

Key Features & Specifications
  • Type: Siemens Class 48 thermal overload relay, bimetallic operation
  • Voltage Rating: 600V AC maximum control voltage
  • Current Rating: 0.1 to 0.5 amps (Full Load Amp range)
  • Dimensions: Not specified
  • Standards: Industry standard motor protection compliance
  • Applications: Motor protection for fractional horsepower motors in industrial automation
  • Relay Style: Thermal
  • Weight: 5 lb
  • Family: Class 48
  • Type: 48JB
  • Item Subcategory: Overload Relay


Product Identification
  • UPC: Not available
  • GTIN: Not available