Siemens Phase Monitoring Relay, 3 Phase, SPDT

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Siemens Frequency, Phase, Voltage Monitoring Relay, 3 Phase, SPDT, 90 → 760V ac, DIN Rail
RS Stock No.
149-172

Each

£215.55

(exc. VAT)

£258.66

(inc. VAT)

RS Stock No.:
211-0171
Mfr. Part No.:
3UG4815-1AA40
Brand:
Siemens
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Brand

Siemens

Monitoring Application

Phase

Electrical Phase

3

Contact Configuration

SPDT

Voltage Sensitivity

Overvoltage, Undervoltage

Phase Sensitivity

Phase Asymmetry, Phase Failure, Phase Sequence

Series

3UG4

Number of Poles

3

Terminal Type

Screw

Standards Met

CE

Operating Temperature Range

-25 → +60°C

Dimensions

91 x 22.5 x 102mm

Length

91mm

Maximum Operating Temperature

+60°C

Width

22.5mm

Height

102mm

Minimum Operating Temperature

-25°C

COO (Country of Origin):
CZ

Siemens Monitoring Relay, SPDT Contact Configuration, Phase Monitoring - 3UG4815-1AA40


This monitoring relay is a key component in industrial automation, designed for phase monitoring in three-phase electrical systems. Measuring 91x22.5x102mm, it effectively detects phase failure and phase asymmetry. Operating within a temperature range of -25 to +60°C ensures functional performance in various environments.

Features & Benefits


• Provides phase failure protection for increased safety
• Supports accurate phase sequence recognition
• Detects undervoltage and overvoltage conditions
• Features adjustable response delay for versatile application
• Equipped with screw terminals for straightforward connections
• CE certified ensuring compliance with safety standards

Applications


• Monitoring three-phase electrical systems
• Suitable for installation in industrial machinery
• Ideal for requiring phase protection
• Designed for environments with strict temperature requirements

Can it operate effectively in extreme temperatures?


Yes, it functions well between -25°C and +60°C.

Will it detect phase asymmetry in electrical systems?


Yes, it is intended to identify phase asymmetry.

Can it be reset externally after a fault occurs?


Yes, an external reset option is available.

Does it provide visual indication of operational status?


No, it does not include an LED display.

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