Key Technical Specifications Parameter Specification Series D5B Switch Type Mechanical Touch Switch / Tactile Limit Switch Circuit SPST-NC (1 Normally Closed contact) Switch Function On-Momentary (slow action) Contact Form 1b (NC only; NO specification not included) Actuator Type Hemispheric (domed) plunger - Resin, R4.5 Size M10 (body diameter: 10mm, thread: M10×0.5) Contact Rating 1 mA to 10 mA at 5 to 30 VDC (resistive load) Maximum DC Voltage 30 V Operating Force (X-Y Direction) 0.98 mm max (standard value) Operating Force (Z Direction) 1.47 N max (standard value) Pre-Travel (X-Y Direction) Reference value 0.7 mm Pre-Travel (Z Direction) Reference value 0.3 mm Total Travel (X-Y Direction) Reference value 1.3 mm Total Travel (Z Direction) Reference value 1 mm Termination Style Cable leads (pre-wired), 1m length Cable Specification Oil-resistant cable, φ3, 0.08mm² 2-core Mounting Type Panel Mount (threaded body) Ingress Protection (IP) IP67 - Dust tight, waterproof Housing Material Metal (Resin plunger) Electrical Life 5,000,000 operations minimum Mechanical Life 10,000,000 operations minimum Electrical Operating Frequency 60 operations/minute maximum Mechanical Operating Frequency 120 operations/minute maximum Insulation Resistance 100 MΩ min. (at 250 VDC) Dielectric Strength (Same Polarity) 250 VAC, 50/60Hz for 1 min Dielectric Strength (To Ground) 1,000 VAC, 50/60 Hz for 1 min Vibration Resistance (Malfunction) 10 to 55 Hz, 1.5 mm double amplitude Shock Resistance (Destruction) 1,000 m/s² max Shock Resistance (Malfunction) 300 m/s² max Operating Temperature -10°C to +70°C (with no icing) Ambient Humidity 35% to 95% Body Length 33.3 mm Appropriate Tightening Torque 2.94 N·m RoHS Status Compliant