Omron D4NL Series Safety Switch, Power to Lock, 24V dc, 1NC/1NO + 1NC/1NO

A lead free, environmentally friendly solenoid interlock switch available with either a solenoid lock/mechanical release mechanism (power to lock) or a mechanical lock/solenoid release mechanism (power to unlock). Sliding, hinged and removable guarding devices such as grids, hoods or doors can be monitored and locked in place with these safety guard lock switches.

Safety door switch with either electromagnetic lock or unlock mechanism
Four head mounting directions possible
Four built-in contacts
Strong key holding force, 1300 N
For standard loads and micro loads
IP67 rating (applies to switch only, key hole is IP00)
Contains no harmful substances, such as lead or cadmium, reducing the burden on the environment

Actuators sold separately.
Stock nos. 746-7289 and 746-7132 have a special release key included.

IEC/EN60947-5-1

cULus, TUV, CE, CCC

This safety switch is essential in industrial applications, offering dependable performance for safeguarding machinery and equipment. Its design addresses the requirements of automation and electrical sectors, ensuring both security and efficiency during operations. With robust plastic housing, this switch is built to withstand challenging environments, making it key for safety compliance.

• Auxiliary contacts enhance additional functionality
• PG13.5 conduit entry simplifies wiring installation
• Compact dimensions allow for easy integration into existing systems

• Utilised in hazardous machinery settings to enhance safety
• Incorporated in automated systems to prevent unauthorised access
• Suitable for environments that require high water and dust resistance

This device operates at a supply voltage of 24V DC, a standard for many automated systems. It is important to supply the correct voltage to prevent malfunction.

Auxiliary contacts can enhance functionality by allowing additional signalling beyond standard safety contacts, thereby supporting complex safety circuits.

The switch's dimensions are 95mm in length, 88.5mm in width, and 35.5mm in depth, which need to be accounted for in the installation design to ensure proper functionality.

This device features a plastic housing that provides durability while maintaining a lightweight profile, important for ease of installation across various settings.