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Siemens 48ASB1M20 - Solid State Overload Relay 0.75-3A

Siemens
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Siemens 48ASB1M20 is a solid state overload relay designed for motor control applications, providing phase loss protection and adjustable trip settings. This self-powered relay operates within an amperage range of 0.75 to 3 amps and supports single-phase operation at 50/60 Hz. The unit features a manual reset, heaterless construction for energy efficiency, and weighs 5.19 lb. It complies with NEMA standards, offering Class 10, 20, and 30 trip curves for versatile protection. Typical applications include industrial motor control systems requiring precise overload monitoring and phase loss detection.

Key Features & Specifications
  • Type: Overload Relay
  • Manufacturer: Siemens
  • Model: 48ASB1M20
  • Relay Style: Solid State
  • Amperage Minimum: 0.75 A
  • Amperage Maximum: 3 A
  • Weight: 5.19 lb
  • Phase: Single Phase (1PH)
  • Series: ESP100
  • Reset Type: Manual
  • Trip Curves: NEMA Class 10, 20, 30
  • Self-powered, no external power needed
  • Phase loss protection with 3-second trip
  • Heaterless construction for energy savings
  • Frequency: 50/60 Hz
  • Mounting: Panel mount compatible