Key Specifications Parameter Specification Product Type Enclosed Limit Switch (Small, General-purpose) Actuator Type Roller lever (R38 lever length, φ17.5 x 7 mm sintered stainless steel roller) Contact Form SPDT (Single Pole Double Throw) Switch Function On-Momentary Contact Rating (AC) 5 A at 250 VAC (resistive load) Contact Rating (DC) 4 A at 30 VDC (resistive load) Connection Method Pre-wired VCTF oil-resistant cable, 5 m length Cable Specifications 4 cores, 0.75 mm² conductor, 7.6 mm outer diameter Degree of Protection IP67 (IEC 60529) - Dust tight, Waterproof Housing Material Plastic (Light gray case) Indicator None (D4C-1320 does not include LED) Earth Terminal With earth wire (Class I protection against electric shock) Operating Characteristics Parameter Specification Operating Force (OF) 5.69 N max. (approx. 569 gf) Release Force (RF) 1.47 N min. Pre-Travel (PT) 25° max. Over-Travel (OT) 40° min. Movement Differential (MD) 3° max. Total Travel (TT) 65° Permissible Operating Speed — Permissible Operating Frequency Electrical: 30 operations/min max.; Mechanical: 120 operations/min max. Durability & Environmental Ratings Parameter Specification Electrical Durability 200,000 operations min. (at 5A 125VAC resistive load) Mechanical Durability 10,000,000 operations min. Ambient Temperature (Operating) -10 to 70°C (with no icing) Ambient Humidity (Operating) 35% to 95% Insulation Resistance 100 MΩ min. (at 500 VDC) Dielectric Strength Between terminals: 1,000 VAC for 1 min; Between terminal and ground: 1,500 VAC for 1 min Impulse Withstand Voltage 2.5 kV (between live metallic part and ground) Vibration Resistance (Malfunction) 10 to 55 Hz, 1.5 mm double amplitude Shock Resistance (Destruction) 1,000 m/s² max. Shock Resistance (Malfunction) 500 m/s² max. Contact Resistance (Initial) 400 mΩ max. Physical Characteristics Parameter Specification Body Dimensions (W x H x D) 40 mm x 17.4 mm x 65 mm Body Width 16 mm (slim type) Lever Length (R) 38 mm Roller Diameter φ17.5 mm Mounting Type Panel mount (front mounting) Mounting Hole Spacing 25 mm Mounting Hole Diameter Two, φ5.2 mm or M5 screw holes Cable Length 5 meters Weight Approx. 348 g (including cable) Approved Standards EN, UL, CSA, CCC