Siemens Monitoring Relay

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£90.14

(exc. VAT)

£108.17

(inc. VAT)

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Being discontinued
  • Plus 2 unit(s) shipping from 22 October 2025
  • Final 2 unit(s) shipping from 22 October 2025
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RS Stock No.:
197-5370
Mfr. Part No.:
3UG4511-1AP20
Brand:
Siemens
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Brand

Siemens

Series

SIRIUS

Maximum Operating Temperature

+60°C

Terminal Type

Screw

Standards Met

CE

Dimensions

91 x 22.5 x 83mm

Minimum Operating Temperature

-25°C

Number of Poles

3

Width

22.5mm

Operating Temperature Range

-25 → +60°C

Height

83mm

Length

91mm

COO (Country of Origin):
DE

Siemens SIRIUS Series Monitoring Relay, 3 Poles, Snap-on Mounting - 3UG4511-1AP20


This monitoring relay is designed to offer efficient phase sequence monitoring for industrial applications. Featuring dimensions of 91 x 22.5 x 83mm, this device operates within a temperature range of -25 to +60°C, making it suitable for diverse environments.

Features & Benefits


• Monitors phase sequence to prevent operational issues
• Snap-on mounting simplifies installation and saves space
• Operates at voltages between 320 and 500V AC
• CE certified, ensuring compliance with industry standards
• Includes a single changeover contact for versatile application
• High-temperature tolerance supports a broad operational range

Applications


• Used to ensure proper phase sequence in motor controls
• Employed in industrial automation for phase detection
• Integrated in systems requiring reliable electrical monitoring
• Utilised in environments with varying temperature conditions

What operational voltages are compatible with this device?


It operates efficiently at voltages between 320 and 500V AC, ensuring versatile applications within specified ranges.

How does the snap-on design benefit users during installation?


The snap-on design allows for quick and easy mounting on DIN rails, reducing installation time and complexity, thus enhancing productivity.

What is the electrical endurance rating for this relay?


The relay has an electrical endurance rating of approximately 100,000 operating cycles at AC-15, providing long-lasting performance in demanding applications.

Can this relay detect phase failures effectively?


Yes, it is capable of detecting phase failures, although it may have limitations when high levels of regenerative power recovery are present.

What is the significance of CE certification for this monitoring relay?


CE certification indicates that the product meets European safety and environmental protection standards, ensuring reliability and safe operation in various applications.

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