7SR4503-1JA20-1AA0
Non-Directional Overcurrent Protection - Argus 7SR45, measuring input: 1 A, 50/60 Hz, size 4 moulded case (height reduced), 2 BI / 2 BO, auxiliary voltage: dual powered (CT powered: + aux.: 7SR4503-1JA20-1AA0
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New Sealed — New and unused, supplied in original manufacturer packaging.
New — New and unused. Original manufacturer packaging may be opened, missing or replaced.
Refurbished — Professionally inspected, tested and restored to full working condition.
Used — Previously used, inspected and tested as fully operational.
Condition: New Sealed
£1,304.50
Est. shipping: November 17 2026
View all options and prices (2)
| Condition | Warehouse | Stock | Price | |
|---|---|---|---|---|
|
New Sealed
Full 24 months warranty Est. shipping: November 17 2026 |
WM66-7S | Enquire now | £1,304.50 | Add to Cart |
|
New Sealed
Full 24 months warranty Est. shipping: November 17 2026 |
WM85-7S | Enquire now | £1,725.00 | Add to Cart |
Product Overview:
The 7SR4503-1JA20-1AA0 is a Siemens overcurrent and earth fault relay belonging to the Argus 7SR45 family. It is designed for non-directional overcurrent protection, measuring input at 1 A with a frequency of 50/60 Hz. This model features a size 4 moulded case with height reduction and includes two binary inputs (BI) and two binary outputs (BO). It can be powered either self-sufficiently or dual-powered, making it suitable for monitoring three-phase systems. The relay operates within a voltage range of 24 to 60 V DC and 240 V AC, providing reliable protection and monitoring for electrical circuits.
Siemens is a global leader in industrial automation, digitalisation, and electrification, offering products such as PLCs, drives, industrial robots, and process control systems. Known for innovation and sustainability, Siemens’ technologies enhance efficiency, safety, and performance across industries like manufacturing, energy, and healthcare.
***CJS Automation is NOT an authorised distributor of Siemens***
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