7SR1811-1MC77-0CA0
Image for illustration purposes only.
If you're unsure whether this part is a perfect match, please contact us.
Condition: New Sealed
£4,902.50
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 | £4,902.50 | Add to Cart |
|
New Sealed
Full 24 months warranty Est. shipping: November 17 2026 |
WM85-7S | Enquire now | £6,433.00 | Add to Cart |
Our Warehouse Description:
The 7SR1811-1MC77-0CA0 is a differential protection relay designed for electrical systems. It features an E6 case size and includes 3 binary inputs and 5 binary outputs. The device is equipped with 18 LEDs for status indication and has measuring inputs that support 4 current transformers (CTs) with ratings of 1A or 5A. It operates within a voltage range of 24-250 V DC and 100-230 V AC, making it suitable for various power system applications.
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***
Other Siemens Parts
Closest part codes available to buy online.
GB 
US 
DE 
DK 
ES 
FI 
FR 
IT 
NL 
NO 
PT 
SE