Partner with a trusted Siemens 3UA50 overload relay supplier UAE to protect low-power electric motors and sensitive automated drives from overload conditions and phase asymmetry. The Siemens 3UA50 40 0E Dubai switchgear specialists rely on features a precise dial adjustment range of $0.25\text{ to }0.40\text{ A}$ ($0,25 - 0,40\text{A}$). Designed with Class 10A ambient temperature compensation, this Siemens thermal overload relay 0.25 0.40A Abu Dhabi control engineers specify includes 1 NO + 1 NC auxiliary contacts along with convertible manual/automatic reset modes. Sourced through commercial surplus channels, it enables panel builders, MEP contractors, and plant operators to procure authentic Siemens motor protection components at highly attractive wholesale prices. Order via our specialized wholesale Siemens motor protection relays UAE platform for fast fulfillment across Dubai, Abu Dhabi, and the GCC region.

BENEFITS

• Cost Savings: Lowers operational and panel construction costs by sourcing unused original Siemens surplus stock.

• Accurate Overload Protection: Class 10A trip characteristic prevents winding overheating in small motors without causing nuisance trips.

• Flexible Operating Modes: Hand/Auto reset option allows easy customization for manual reset systems or automatic restart control sequences.
  
  

  KEY FEATURES

  • Brand / Manufacturer: Siemens

  • Model Designation: 3UA50 40-0E (Series: 3UA5)

  • Current Adjustment Setting: $0.25\text{ to }0.40\text{ A}$

  • Rated Insulation Voltage ($U_i$): $690\text{V}$ ($600\text{V AC}$)

  • Tripping Class: Class 10A (With Ambient Temperature Compensation)

  • Auxiliary Contact Configuration: 1 NO + 1 NC (B600 / R300 Heavy Duty)

  • Reset Modes: Selectable Hand (Manual) or Automatic Reset

  • Tightening Torque: $1\text{--}1.5\text{ Nm}$ ($9\text{--}13\text{ LB.IN}$)

  • International Compliance: IEC 947, VDE 0660, GB 14048, CE Certified

  • Applications: Fractional Motor Protection, DOL Starters, MCC Panels, Pump & Blower Control Circuits