The FS4SL/MB serves the same use as FS4S/MB but uses a latching microswitch which is activated when the key is inserted, but remains active even when the key is removed, and to deactivate the key needs to be reinserted.

It is used to gain access to communal areas in high rise buildings, apartment blocks and other public areas such as stadiums.

Features:

• Stainless steel finish
• Highly durable
• Flush mounted with Mitred Bezel

Technical Specifications:

• Requires : FS4-KEY Drop Key (sold separately)
• Dimensions of back box : 108 x 108 x 65mm
• Material : 316 Marine Grade Stainless Steel