Coding Between Circuit Breaker And Cradle - Siemens UL 1066 Operating Instructions Manual

Function check
- Insert the circuit breaker into the cradle and push it into the disconnected position
- It must not be possible to draw out the racking handle
Mechanical interlock
Locking device against moving the circuit breaker if
the cubicle door is open
17.4

Coding between circuit breaker and cradle

Draw-out circuit breakers and cradles are equiped with a factory coding.
This coding ensures that only circuit breakers can be inserted whose blade contacts match the contacts of the cradle and whose instanta-
neous interrupting capacity and rated current correspond to those of the cradle.
17 – 7
 (page 6-1)
Order No.
WLDRLC5UL