MODULAR CONTACTORS WITH LOW NOISE COIL. FEATURES:. NO HUMMING WHILE ENERGISED / LOW SWITCHING NOISE MODULAR DIN RAIL MOUNTING (SAME CUT-OUT AS MCBS) .RATED POWER AC-1 (A) 25A .COIL VOLTAGE 24 VDC .DESCRIPTION LOW NOISE MODULAR STANDARD CONTACTOR .CONTACT CONFIGURATION 2NO .WIDTH IN 17.5MM 1 .RATED OPERATIONAL VOLTAGE 230 V .CONNECTION CROSS-SECTION RIGID CABLE 1 / 10MM² .CONNECTION CROSS-SECTION FLEXIBLE CABLE 1 / 6MM² .OPERATING TEMPERATURE -10 TO 50 °C .FREQUENCY 0/0 HZ .MANUAL OVERIDE CONTROL YES .HUMFREE NO HUMMING WHILE ENERGISED/LOW SWITCHING NOISE .