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LS30P51B11

The ABB LS30P51B11 is a compact industrial limit switch used to detect the presence or position of moving parts in machinery, conveyors, and automation systems. It features a robust actuator with an adjustable roller lever and provides both normally open and normally closed contact outputs for flexible control logic interfacing. It is designed for reliable operation in industrial environments with moderate dust and moisture exposure.

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Key Features Type: Industrial limit switch for position detection. Actuator: Adjustable roller lever with an 18 mm diameter plastic roller for mechanical actuation. Contact Configuration: 1 Normally Open (NO) + 1 Normally Closed (NC) snap‑action contacts. Housing: Durable plastic enclosure rated for challenging industrial conditions. Ingress Protection: Protected against dust and water jets when mounted correctly (IP65). Connection: Single PG13.5 cable entry for wiring. Electrical Ratings Maximum Switching Current: 10 A for general use. Rated Operational Voltage: Up to 400 V AC. Up to 250 V DC. Contact Duty Examples: AC‑15 control duty e.g., ~10 A at 24 V AC, ~~3 A at 230 V AC, ~~1.8 A at 400 V AC. DC‑13 control duty e.g., ~~2.8 A at 24 V DC, ~~0.27 A at 250 V DC. Snap‑Action Contacts: Provide fast, positive electrical switching at actuation. Mechanical & Environmental Mounting: Two mounting holes allow secure attachment in machine frames or enclosures. Operating Temperature Range: Approximately –25 °C to +70 °C ambient. Mechanical Durability: Designed for thousands of cycles at industrial switching speeds. Body Material: Reinforced plastic (UL‑V0) for impact resistance and electrical insulation. Physical Dimensions Width: Approx. ~30 mm — compact form factor. Enclosure Size: ~30 × 53 × 30 mm (width × height × depth). Roller Lever: Adjustable length lever gives flexibility in actuation placement. Typical Applications Position sensing in automated conveyors, presses, and robotic guides. End‑of‑travel detection for sliding gates and linear actuators. Control logic inputs for programmable logic controllers (PLCs) and relay panels. Machine safety interlocks and limit detect loops.