KELCO, Switch, models:

C15 Series	Installing And Operating Instructions
D40	Installation And Operating Instructions
D50	Calibration
E20 Series	Instructions For Installing And Using
E30	Installation & Programming Manual Programming Instructions Manual
E30 Mk2	Installation & Programming Manual
F21 Series	Installing And Operating Information
F26 Series	Installation And Operating Instructions
F29	Programming Instructions Manual
F29 Mk2	Installation & Programming Manual
ub25	Installation And Operation Instructions For