The current Schlage Delayed Egress maglock is M490DE and M490DE Plus.
The M490DE does not necessarily match previous maglock mounting holes or size dimensions.

Link to download the M490DE Data Sheet

Link to download the M490DE Installation Manual

The M490DE single maglock dimensions are:  Length:  12 1/2"  x  Height: 3"  x  Depth: 3 1/16"
The M490DE-2 double maglock dimensions are:  Length:  25 1/16"  x  Height: 3"  x  Depth: 3 1/16"



Here are the dimensions of previous Delayed Egress maglock products:

101+DE
Single - 11-1/2”L x 3-1/32”H x 3-3/16”D
Double - 23”L x 3-1/32”H x 3-3/16”D
Link to download the 101+ Installation Manual

105 SensorLock
Size: 13-1/8”L x 3-1/32”H x 3-3/16”D
Note: The Passive Infrared Sensor (PIR) is not available integrated in the current M490DE maglock, but is available as a separate component, SCAN II.
Link to download the PIR installation guide:  SCAN II Instructions

107DE
Single - 11-1/2”L x 2-3/4”H x 2-1/2”D
Double - 23”L x 2-3/4”H x 2-1/2”D

390DEL
Single: 10-1/2”L x 2-3/4”H x 2-1/2”D
Double: 21”L x 2-3/4”H x 2-1/2”D
Link to download the 390DEL Installation Instructions

390PIR SensorLock
Single: 10-1/2”L x 3-1/16”H x 3-15/32”D
Note: The Passive Infrared Sensor (PIR) is not available integrated in the current M490DE maglock, but is available as a separate component, SCAN II.
Link to download the PIR installation guide:  SCAN II Instructions
Link to download the 390PIR Installation Instructions