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3UG4511-1BP20

The Siemens 3UG4511-1BP20 is a versatile monitoring relay from the SIRIUS 3UG4 series, designed for industrial control and protection applications. It provides reliable monitoring of voltage, current, temperature, and other process variables, ensuring safe operation of electrical systems.

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TEL：400-887-3214
Mail：jilineasyyi@outlook.com
Q Q：615739355
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Key Features
✔ Multi-functional monitoring (configurable for voltage, current, or temperature)
✔ 2 changeover contacts (CO) for control signaling
✔ LED status indicators for visual operation feedback
✔ Compact design for DIN rail mounting (35mm)
✔ Wide supply voltage range (24-240V AC/DC)
✔ Adjustable thresholds for precise monitoring

Technical Specifications
Electrical Parameters
Parameter Specification
Supply Voltage 24-240V AC/DC (auto-sensing)
Power Consumption ≤3W
Contact Rating 6A / 250V AC (resistive)
Switching Capacity 1500VA
Response Time Adjustable (0.1-30s)
Monitoring Functions
Function Range
Voltage Monitoring 24-690V AC
Current Monitoring 0.1-10A (via CT)
Temperature Monitoring PT100/PT1000/Ni1000
Phase Sequence/Asymmetry Configurable
Mechanical & Environmental
Parameter Value
Dimensions (W×H×D) 22.5 × 90 × 100 mm
Weight 200g
Mounting DIN rail (EN 60715)
Protection Class IP20 (housing) / IP40 (terminals)
Operating Temperature -25°C to +55°C
Storage Temperature -40°C to +85°C
Certifications & Standards
CE (EN 60947-5-1)

UL 508 (US)

CSA C22.2 No.14 (Canada)

RoHS & REACH Compliant

Typical Applications
Motor protection (phase failure, overload)

Pump monitoring (dry-run protection)

HVAC system control

Generator/transformer monitoring

Conveyor belt safety systems