The D4B-N Safety Limit Switch from Omron has snap-action contacts with a certified direct opening mechanism, N/C contacts only, to ensure safe operation should a fault occur. The switch is housed in an aluminium die-cast enclosure and has the head seal structure strengthened to provide IP67 protection.

Equipped with a mechanism that indicates the applicable operating zone, as well as push-button switching to control left and right motion
Accurate switching with safe operation via direct drive positive contact opening even with metal deposition between mating contacts
N/C for safety circuit and N/O for control circuit (SPDT)
Contact rating: 10A continuous
Four position turret head
IP67 aluminium die-cast enclosure
Conduit entry PG13.5 or M20
Operating temperature range: -40° to +80°C

EN60947-5-1 and IEC 947-5-1

UL, CSA

This safety limit switch is essential for the secure operation of machinery and equipment, particularly in the automation and industrial sectors where safety is crucial. It delivers consistent performance and complies with stringent performance standards, making it an important element in maintaining operational integrity.

• Roller lever design enables flexible mounting options
• Sturdy metal housing guarantees durability in challenging environments
• IP67 rating ensures protection against dust and water ingress
• Slow action functionality promotes operational safety
• Mechanical life of 10 million operations for dependable long-term use

• Applicable with machinery critical to safety in manufacturing
• Suitable for automation systems that require accurate limit detection
• Effective for equipment functioning in extreme temperature conditions
• Commonly used in conveyor systems to improve safety
• Employed in industrial that require dependable limit switches

The roller lever mechanism prevents accidental actuation, ensuring safe machine operation.

Correct alignment and secure connections are vital to avoid operational failures.

Yes, it operates effectively within -40 to +80°C.

Safety Limit Switch