3WT8121-5KM00-0AA1
Product ID:183699
Updated: 2026/7/10

Key Features
- 1Achieve high short-circuit breaking capacity up to 66 kA at 500V.
- 2Utilize advanced overload and short-circuit protection with mechanical reclosing lockout.
- 3Benefit from a robust mechanical design with durable door sealing and IP20 protection.
- 4Operate easily with clear ON-OFF indicators and ready-to-close signals.
- 5Retrofit auxiliary releases and electronic trip units with its modular design.
Need a quote? Enter your quantity and get pricing fast.
Qty
Technical Specifications
Detailed engineering parameters
| Parameter | Value | Parameter | Value |
|---|---|---|---|
| Lifecycle | Delivery Release (PM300) | Country of Origin | China |
| ECCN | N | AL | N |
| Model Number | 3WT8121-5KM00-0AA1 |
Specifications may be subject to change without notice
Still deciding on 3WT8121-5KM00-0AA1?
Our engineers can confirm stock, price, and lead time for this Siemens part.
Get a no-obligation quote in 1 minute.
