L Series LED Push Button Switches Well Buying L Series LED Push Button Switches feature a 2.2±0.2mm total travel, improved actuation, and SPDT or DPDT lock/non-lock functionality. These switches offer 100MΩ minimum insulation resistance at 500VDC and an expansive electrical life cycle. The L series push button switches operate at 300gf±150gf (DPDT) and 200gf±100gf (SPDT) operating force. These switches are used in audio and video devices, instrumentation, and communication equipment.