Siemens Current Monitoring Relay, Panel Mount

Subtotal (1 unit)*

£1,314.09

(exc. VAT)

£1,576.91

(inc. VAT)

Add to Basket
Select or type quantity
Temporarily out of stock
  • Shipping from 19 November 2025
Need more? Click ‘Check delivery dates’ to find extra stock and lead times.
Units
Per unit
1 +£1,314.09

*price indicative

RS Stock No.:
275-1761
Mfr. Part No.:
7SR4503-1HA20-1AA0
Brand:
Siemens
Find similar products by selecting one or more attributes.
Select all

Brand

Siemens

Monitoring Application

Current

Voltage Sensitivity

Overvoltage

Mounting Type

Panel Mount

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

Related links