Omron D4B-@N Series Adjustable Roller Lever Limit Switch, 1 NO/1 NC, IP67, Metal Housing, 400V ac, 10A

Omron D4B-@N Series Limit Switch, 30mm Depth, IP67 - D4B-4516N

This limit switch is a rugged safety device designed to detect and control mechanical motion in industrial automation environments. Housed in an aluminium body with reinforced head sealing, it provides protected switching for equipment that requires reliable position detection and safety interlocking over a wide ambient temperature range.

Features & Benefits

• IP67 aluminium housing provides ingress protection for harsh environments
  1NO 1NC slow-action contact offers controlled switching for inductive loads
  Rated for 10A at 400V AC and 250V DC to handle common power circuits
  Multi-directional mounting enables flexible installation orientations
  Mechanical life up to 30,000,000 operations reduces replacement frequency
  Operating force 9.41N delivers predictable actuation thresholds

Applications

• Suitable for conveyor end-of-travel detection in manufacturing lines
  Ideal for actuator position sensing in packaging machinery
  Used with robotic guards for safety interlocking and motion control
  Can be used for limit detection on presses and forming equipment
  Suitable for control panels requiring an M20 conduit entry for cabling

How is the cable entry provided for conduit wiring?

The switch accepts an M20 conduit connection to suit standard industrial conduit glands and connectors.

What certification standards cover electrical safety and approvals?

It holds multiple approvals including CSA, CCC, UL and EN standards applicable to industrial switch equipment.

What temperature range can the device operate within?

It is specified for ambient temperatures from −40°C up to 80°C for standard types without icing.

How are terminals terminated and what wire sizes are supported?

Screw terminals are provided and accept conductor sizes in the 0.5 to 2.5 mm2 range when using appropriate crimp terminals.

How does the design aid safe contact separation during faults?

A direct-opening mechanism on the normally closed contact forces separation if contact welding occurs, improving fault detectability.