Siemens Monitoring Relay, 3 Phase, Panel, 24 to 60 V dc, 240V ac, 60 V ac

Subtotal (1 unit)*

£1,320.60

(exc. VAT)

£1,584.72

(inc. VAT)

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  • Ready to ship from 13 October 2026
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1 +£1,320.60

*price indicative

RS Stock No.:
275-1761
Mfr. Part No.:
7SR4503-1HA20-1AA0
Brand:
Siemens
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Brand

Siemens

Product Type

Monitoring Relay

Electrical Phase

3

Mount Type

Panel

Switching Voltage

250125V ac/dc

Power Consumption

7W

Terminal Type

Tin Plated Crimp Ring Terminal

IP Rating

IP20, IP10, IP54, IP40, IP52

Time Delay

0 to 600 s

Supply DC Voltage

24 to 60 V dc

Relay Contact Current

5A

Minimum Operating Temperature

-10°C

Supply AC Voltage

240, 60V ac

Maximum Operating Temperature

60°C

Series

Argus 7SR45

Width

135.3mm

Standards/Approvals

Modbus, RoHS, IEC-60870-5-103

Height

170.3mm

Length

216.6mm

COO (Country of Origin):
IN
The Siemens Non Directional Overcurrent Protection Relay is designed for reliable electrical system protection. It features a measuring input of 1 A at 50 or 60 Hz and comes in a size 4 moulded case with reduced height. This device provides 2 Binary Inputs and 2 Binary Outputs for versatile control applications. It operates with dual powered auxiliary voltage, with CT powered functionality and an auxiliary voltage range of 24 to 60V DC, including a BI threshold of 19VDC. It is standard in design and includes a front USB port for connectivity. Additionally, it offers a rear RS485 port for communication. This device conforms to IEC 60870 5 103 and Modbus standards. The standard version of the device includes a conformal coat for protection in various environmental conditions.

Inrush current detection

Mechanical flag indication

Intelligent power management

Internal lithium battery back up

Dedicated switch onto fault protection

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