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Siemens Monitoring Relay, 3 Phase, DPDT, DIN Rail, 5mA to 5A, 200V ac, 690 V ac

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€ 223,21

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€ 270,08

(incl. BTW)

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  • Verzending vanaf 19 juni 2026
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RS-stocknr.:
149-160
Artikelnummer Distrelec:
304-21-293
Fabrikantnummer:
3UG5514-1BR20
Fabrikant:
Siemens
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Merk

Siemens

Product Type

Monitoring Relay

Electrical Phase

3

Contact Configuration

DPDT

Mount Type

DIN Rail

Minimum Current Sensed

5mA

Maximum Current Sensed

5A

Power Consumption

1.8W

Current Sensitivity

Overvoltage

Terminal Type

Screw

Time Delay

20 ms

IP Rating

IP20

Relay Contact Current

3A

Supply AC Voltage

200, 690V ac

Minimum Operating Temperature

-25°C

Maximum Operating Temperature

60°C

Length

90mm

Height

100mm

Standards/Approvals

RoHS, CE, CCC, IEC 60529 2, EAC, IEC 60068-2-27

Width

22.5mm

Series

3UG5

Better World Claim

Concentrated or Compact Solution

Better World Product

Yes

Land van herkomst:
DE

Siemens 3UG5 Series Monitoring Relay, 200/690V Supply AC Voltage, 5A Maximum Current Sensed - 3UG5514-1BR20


This monitoring relay is a Compact device for three-phase network supervision, designed to detect phase sequence, phase failure, phase asymmetry and undervoltage in industrial AC supplies. It monitors three-phase voltages across a wide range and provides changeover contact outputs for control and protection tasks in automation and electrical installations.

Features & Benefits


• Response delay adjustable 0.1–20 s to prevent nuisance tripping
• Fast buffering time minimum 20ms to bridge brief power interruptions
• Relay contact rating 3A at AC-15 for direct control of small loads
• Switching behaviour monostable for defined reset operation
• Contact material AgSnO2 for enhanced switching durability

**Applications**


• Suitable for protection of motor control circuits against phase loss
• Ideal for supervision of distribution panels in industrial automation
• Used with contactors to prevent operation under phase asymmetry
• Can be used for undervoltage interlock in production machinery
• Used for monitoring three-phase supplies in factory power systems

What supply voltage range does it accept for control supply?


It accepts AC control supply from 200V to 690V at 50–60 Hz with an operating range factor from 0.85 to 1.1 of the rated value.

How precise is the voltage measurement under temperature variation?


The device exhibits a relative temperature-related measurement deviation of 0.003%/°C and a relative metering precision of 5%.

What mechanical and electrical endurance can be expected from the switching element?


Mechanical life is typically 10 million cycles while electrical endurance at AC-15/230 V is around 100,000 operations.

How are wiring and connections implemented for installation?


Connections are screw terminals accepting solid or ferruled conductors from 0.5 mm² to 4 mm² with a recommended tightening torque of 0.6–0.8 N·m.

What environmental operating limits apply to the unit?


It is rated for operation between −25°C to +60°C, a maximum installation altitude of 2000m and up to 70% relative humidity.

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