Lock and fitting dimensions
No verified dimensions in this record. Check the manufacturer drawing before ordering.
Check the backset, centre distance, faceplate and mounting points against the specific model drawing.
Browse related directorySpecifications
- Manufacturer-stated holding force
- 500lb per door leaf
- Voltage configuration
- 12/24 VDC; automatic or field selection depends on the specific model
- Door leaf configuration
- Series includes single- and double-door configurations
- Mounting and function
- Surface-mounted, single-/double-door configurations
Applications and series scope
M420/M422 is an electromagnetic lock series rated at 500 lb holding force per leaf. M420 is for single doors and M422 for double doors. Check current and dimensions separately for each model.
Using specifications for selection
Check this model's mounting application, number of door leaves and specific power requirements. Equal holding force does not mean identical installation space, fixing methods or control functions.
Sources and image notes
A series may include different functions, trim and cylinder options. When comparing products, first establish the required door operation, then check whether the specific accessories are included in the ordering configuration.
Follow the official document links for model lists, installation requirements and drawings. Electrified locks also require checks against the power supply, controller and local system requirements.
Limitations
- Summarised from the official series detail page. Not every combination in the door thickness, function or option is treated as a standard configuration.
- The image shows a representative configuration from the official series page. Colour, lever and cylinder form are as pictured in the original image.
- Check current model availability, certification scope and project installation requirements separately.
Sources
Schlage official product page: M420/422 Mag LocksManufacturer documents are provided in their original language.