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

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

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

Subtotal (1 unit)*

$3,634.64

(exc. GST)

$3,998.10

(inc. GST)

FREE delivery for orders over $80.00 ex GST

Stocked by manufacturer

Ready to ship from 17 December 2026

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Units	Per unit
1 +	$3,634.64

*price indicative

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

Specifications

Technical data sheets

Legislation and Compliance

Product Details

Find similar products by selecting one or more attributes.

Select all	Attribute	Value
	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 → 600 s
	Supply DC Voltage	24 → 60 V dc
	Minimum Operating Temperature	-10°C
	Relay Contact Current	5A
	Supply AC Voltage	240V ac, 60V ac
	Maximum Operating Temperature	60°C
	Height	170.3mm
	Length	216.6mm
	Standards/Approvals	Modbus, RoHS, IEC-60870-5-103
	Width	135.3mm
	Series	Argus 7SR45

	Select all
	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 → 600 s
	Supply DC Voltage 24 → 60 V dc
	Minimum Operating Temperature -10°C
	Relay Contact Current 5A
	Supply AC Voltage 240V ac, 60V ac
	Maximum Operating Temperature 60°C
	Height 170.3mm
	Length 216.6mm
	Standards/Approvals Modbus, RoHS, IEC-60870-5-103
	Width 135.3mm
	Series Argus 7SR45

Datasheet - 7SR4503-1HA20-1AA0

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