Monitoring rotational speed is essential for preventing conveyor stalls and motor failures. Our zero speed switch employs a non-contact magnetic pickup sensor to detect shaft rotation—if rotation falls below a set threshold, the switch instantly actuates an output relay. Designed for shaft diameters ranging from 12 mm to 50 mm, this versatile device adapts to gearboxes, motors, and idlers across material handling systems.
Featuring a compact transmitter-receiver pair and a standalone electronic module, it offers both PNP and NPN output options for compatibility with PLCs and relay logic. Housed in a rugged thermoplastic casing, the switch resists vibration, moisture, and chemical exposure. Adjustable time delay prevents false alarms during startup, while LED indicators display operational status. By providing early warnings of stalled rollers or drifting belts, this zero speed switch enhances safety and reduces maintenance costs.
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