Siemens SENTRON 3WA1 - Article Number

Accessories
4.13 Connection of an external voltage transformer
3WA1 air circuit breaker
370 Equipment Manual, 02/2023, 92310000002-06
4.13.3 Article number
Article number
Retrofit kit to connect an external voltage transformer
3WA9111-0EK81
You can purchase the accessories in the Siemens Industry Mall
(http://www.siemens.com/product?3WA9111-0EK81
).