You searched for "LS1"
Schneider Electric
Schneider Electric Black Rotary Handle, TeSys Series
Part: DK1FB005
Black rotary handle for Schneider Electric TeSys LS1 series disconnectors.
Omron
Omron Level Monitoring Relay, SPDT, DIN Rail
Part: K8AK-LS1 100-240VAC
Level monitoring relay with IP20 protection for tank and container level control.