Woodward 3161LIO Limit Switch Box Assembly

Product Brief Introduction The 3161LIO is a heavy-duty limit switch box assembly designed to provide discrete end-of-travel position indication and interlock signals for valves, actuators and industrial machinery.
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Technical Specifications 2 SPDT limit switches; contact rating: 10 A at 250 V AC, 5 A at 30 V DC; operating temperature: -50 °C to +120 °C; enclosure rating: IP67; housing material: 316 stainless steel; mechanical life: > 5 million operations.

Functional Features Two independent SPDT limit switches; adjustable actuation points; corrosion-resistant stainless steel construction; positive break action; sealed for harsh environments; rotary or linear actuation compatible.

Application Scenarios Valve position indication, actuator end-of-travel limit, industrial machinery interlock, process valve position feedback, harsh environment position sensing.

Performance Parameters Switch repeatability: ±0.5° rotary; contact bounce: < 5 ms; operating force: 2–5 lb nominal; high contact reliability.

Material Composition 316 stainless steel housing and cover, silver alloy switch contacts, stainless steel actuating mechanism, nitrile rubber gasket seal, stainless steel mounting hardware.

Structural Characteristics Square stainless steel enclosure; top or side entry cable gland; rotary input shaft; internal adjustable cam mechanism; external mounting feet.




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