Limit switch D4B-1111N Omron

Degree of protection *1 IP67 (EN60947-5-1)
Durability *2
Mechanical 30,000,000 operations min. (snap-action)
10,000,000 operations min. (slow-action)
Electrical 500,000 operations min. (10 A resistive load at 250 VAC)
Operating speed 1 mm/s to 0.5 m/s
Operating frequency
Mechanical 120 operations/minute
Electrical 30 operations/minute
Contact resistance 25 mΩ max.
Minimum applicable load *3 180 mA resistive load at 5 VAC
(N-level reference value)
Rated insulation voltage (Ui) 600 V (EN60947-5-1)
Rated frequency 50/60 Hz
Protection against electric shock Class I (with ground terminal)
Pollution degree (operating environment) 3 (EN60947-5-1)
Impulse withstand voltage
(EN60947-5-1)
Between terminals
of same polarity 2.5 kV (snap-action)/4 kV (slow-action)
Between terminals
of different polarity 4 kV (slow-action)
Between each
terminal and ground 4 kV
Insulation resistance 100 MΩ min. (at 500 VDC) between terminals of the same polarity and between each
terminal and non-current-carrying part
Contact gap 2 × 2 mm min. (slow-action)
2 × 0.5 mm min. (snap-action)
Vibration resistance Malfunction 10 to 55 Hz, 0.75 mm single amplitude
Shock resistance
Destruction 1,000 m/s2 min.
Malfunction 300 m/s2 min.
Conditional short-circuit current 100 A (EN60947-5-1)
Conventional enclosed thermal current (Ithe) 20 A (EN60947-5-1)
Ambient operating temperature 40 to 80°C (with no icing)
Ambient operating humidity 95% max.
Weight Approx. 250 g