Siemens 3LD2113-1TL53 is a four-pole switch-disconnector in the SIRIUS/SENTRON family designed for principal and emergency isolation in control panels. The device is rated Iu 25 A and supports up to 400 V AC (AC-23), delivering up to 9.5 kW of load at 400 V. It is intended for floor mounting with door coupling and uses a rotary operating mechanism; the actuator handle is red and yellow and mounts via a four-hole pattern on the switch body. Commonly listed as INT.PPAL/EMERG.4P 25A, the 3LD2113-1TL53 provides four-pole disconnection for safe shutdown in three‑phase installations.
