7SR5110-2AD21-1AA0
Image for illustration purposes only.
If you're unsure whether this part is a perfect match, please contact us.
| Condition | Warehouse | Stock | Price | |
|---|---|---|---|---|
|
New Sealed
Full 24 months warranty Est. shipping: November 09 2026 |
WM66-7S | Enquire now | £3,484.50 | Add to Cart |
|
New Sealed
Full 24 months warranty Est. shipping: November 09 2026 |
WM71-7S | Enquire now | £3,652.00 | Add to Cart |
|
New Sealed
Full 24 months warranty Est. shipping: November 09 2026 |
WM92-7S | Enquire now | £3,901.00 | Add to Cart |
| Buying more than one? | Get Quote | |||
The 7SR5110-2AD21-1AA0 is an overcurrent time protection relay designed for electrical system protection. It features multiple current transformers, overcurrent and arc flash detection capabilities, and includes numerous digital inputs and outputs (13 BI and 11 BO, including 3 HSBO). The relay offers standard communication interfaces such as USB (front) and RS-485 (rear), enabling integration into monitoring and control systems. It belongs to the Reyrolle 7SR51 product family and is suitable for applications requiring precise overcurrent protection, fault recording, and circuit breaker monitoring.
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***
Get a Quote
What Happens Next?
Email Confirmation
We’ll send you an email confirming that we’ve received your enquiry and are processing your request.
Dedicated Account Manager
A member of our team will be in contact to confirm the part(s), specifications, and condition.
Your Quote
You will receive a comprehensive quote tailored to your specific needs.
Track Your Shipment
You'll receive tracking details once your order ships so you can follow it's progress.
Online Payments Accepted
If you're happy with your quote, you can pay by Bank Transfer or through our secure payment page using any of the following payment methods, just enter your invoice number and follow the on-screen instructions.
Other Siemens Parts
Closest part codes available to buy online.
GB 
US 
DE 
DK 
ES 
FI 
FR 
IT 
NL 
NO 
PT 
SE