The LSC110N from Mallory Sonalert Products Inc. is an internally driven piezo indicator buzzer drawing 6 to 24 mA, with a 2.9 kHz output and 80 dB at 30 V, in a 42.85 mm panel-mount package with 61 cm leads, screw terminal and 0.250" (6.35 mm) quick-connect tab.
The LSC110NR from Mallory Sonalert Products Inc. is an internally driven piezo buzzer, 42.85 mm, drawing 43 to 63 mA, rated 2.9 kHz and 80 dB at 30 V, with 61 cm leads, panel-mounted with screw terminals.