SIEMENS 3UG4501-1AW30 RELAY

  • Liquid level monitoring (tanks, reservoirs)
  • Conductive fluid level control
  • Pump control and overflow prevention
  • Industrial automation and process control
  • Energy and water management systems
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  • Model: 3UG4501-1AW30
  • Series: SIRIUS 3UG4
  • Type: Analog level monitoring relay
  • Monitoring Type: Resistance-based level detection (2–200 kΩ)
  • Voltage Range: 24–240 V AC/DC, 50–60 Hz
  • Control Mode: Single or dual-level control
  • Contact Configuration: 1 changeover contact (CO)
  • Mounting: DIN rail (snap-on or screw)
  • Status: Discontinued – recommended replacement: 3UG5501-1AW30
SpecificationValue
Insulation Voltage300 V (IEC 60664, Cat III, Pollution Degree 3)
Impulse Withstand Voltage4 kV
Mechanical Life10 million operations
Electrical Life (AC-15, 230 V)100,000 operations
Response Delay0.5–10 s (start and limit violations)
Max Response Time300 ms
Power Consumption2 VA @ 24 V, 4 VA @ 240 V
Operating Temperature-25°C to +60°C
Storage Temperature-40°C to +80°C
Protection Class (front)IP20
Dimensions (H x W x D)92 mm x 22.5 mm x 91 mm
Weight0.144 kg
Connection TypeScrew terminals, pluggable
Wire Cross-Section0.5–4 mm² (solid), 0.5–2.5 mm² (stranded)
Galvanic IsolationBetween input and output
Relay Output Current (AC-15)3 A @ 250/400 V
Relay Output Current (DC-13)1 A @ 24 V, 0.2 A @ 125 V, 0.1 A @ 250 V
EMC ComplianceIEC 61000-4-2/3/4/5
Environmental Impact (CO₂ equivalent)Total: 16.1 kg (Production: 3.51 kg, Use: 13.7 kg, Disposal: -1.12 kg)