Omron D4B-4115N Safety Limit Switch

Name: Omron D4B-4115N
Brand: Omron
SKU: D4B-4115N
Rating: 4.9 (4 reviews)

Brand	Omron
Product Type	Safety Limit Switch
Model Number	D4B-4115N

Omron D4B-4115N Safety Limit Switch - Technical Specifications

Specification	Value
Actuator	Roller lever (stainless steel roller)
Conduit size/ Conduit openings	M20
Contact form	1NC/1NO
Operating mechanism	Snap-action
Degree of protection	IP67
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
Rated insulation voltage (Ui)	600 V
Rated frequency	50/60 Hz
Insulation resistance	100 MΩ min.
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.
Ambient operating temperature	–40 to 80°C (with no icing)
Ambient operating humidity	95% max
Weight	Approx. 250 g

The D4B-4115N supports operating speeds of 1 mm/s to 0.5 m/s and handles up to 120 mechanical and 30 electrical operations per minute. It offers a M20 conduit entry, contact resistance of 25 mΩ max, and a robust 600 V insulation voltage. Built for demanding environments, it withstands shock up to 1,000 m/s² and vibrations between 10–55 Hz. The switch operates effectively from –40°C to 80°C with up to 95% relative humidity.