ELKO EP programmable staircase switch with signalling before switch off CRM-42

• intelligent staircase switch, the same use as CRM-4, but with enlarged possibility of control in mode „PROG“ it is possible to select time of delayed OFF by number of button pressing. Each pressing multiplies time set by potentiometer, it means that in case you set time to 5 min and press the button 3 times, then the output is automatically prolonged to 15 min. Output can be also switched off before time (reset) by long pressing of button (longer than 2 sec)

• output relay contact 16A/AC1 with inrush current up to 80 A enables switching of el. bulbs and also fl uorescent lights. (Detailed information about load according to illumination type can be found in a chart on page 97)

• operating system switch:

ON - Output is constantly ON (service model)
AUTO - timing according to adjusting by potentiometer in range 30 s - 10 min
PROG - timing with time prolongation option by number button pressing

• timing (in mode AUTO and PROG) is possible to be stopped by long pressing of the button (> 2 s)

• supply voltage: AC 230 V, clamp terminals

• output indication: multif. red LED, fl ashing at certain states

• possibility to connect up to 100 buttons equipped with glow lamps (altogether 100mA)

• 3-wire or 4-wire connection (it is possible to control input S by potential A1 or A2)

• warning before switch OFF- output doublefl ash 40 and 30 sec before switch OFF

• 1- MODULE, DIN rail mounting