Panel Switches 12157X778

The APEM Panel Switches 12157X778 is a Switches and Pushbutton with documented product-specific characteristics including Dielectric strength: 1.000 Vrms 50 Hz min. between terminals2.000 Vrms 50 Hz min. between poles Contact bounce : 2 ms max. Minimum load : 10mA 50mV, 10μA 5VDC; Operating temperature: -40°C to +85°C Humidity test : 56 days, 93 % R.H., 40°C (IEC 68-2-3) Salt spray test : 96 hours (IEC 68-2-11) Front panel sealing by two O-rings Flatted bush for precise orientation Panel seal withstands 1 bar pressure a; Torque: 1,50 Nm (1.10 Ft.lb) max. applied to nut.

Key Features

• Dielectric strength: 1.000 Vrms 50 Hz min. between terminals2.000 Vrms 50 Hz min. between poles Contact bounce : 2 ms max. Minimum load : 10mA 50mV, 10μA 5VDC
• Operating temperature: -40°C to +85°C Humidity test : 56 days, 93 % R.H., 40°C (IEC 68-2-3) Salt spray test : 96 hours (IEC 68-2-11) Front panel sealing by two O-rings Flatted bush for precise orientation Panel seal withstands 1 bar pressure a
• Torque: 1,50 Nm (1.10 Ft.lb) max. applied to nut
• Panel thickness: 8 mm (.314) max. - 3 mm (.118) min.
• Number Of Poles: Three Poles,Fluorescent Tip:None,Levers:Standard,Terminals And Bushing:Solder Lug Terminals,X778:High Performance Fully Sealed Black Switches
• Initial contact resistance: 10 mΩ max.
• Insulation resistance: 1.000 MΩ min. at 500VDC
• Electrical life: - At 4A 28VDC :20.000 cycles (10.000 for functions 5, 4-1R, 4-2R)- At low level (50mV 10mA) :150.000 cycles (switches with 2 maintained positions)100.000 cycles (switches with 3 maintained positions)50.000 cycles (moment
• Max. current/voltage rating with resistive load: 4A 28VDC Minimum load : 10mA 50mV, 10μA 5VDC
• Front panel sealing by two O-rings Flatted bush for precise orientation Panel seal withstands 1 bar pressure and remains sealed even when the switch is operated. Epoxy sealed terminals Splash-proof case
• Panel seal withstands 1 bar pressure and remains sealed even when the switch is operated. Epoxy sealed terminals Splash-proof case
• Electrical Functions: MOM OFF MOM
• Epoxy sealed terminals Splash-proof case
• Splash-proof case
• CECC approved - conforms to MIL
• Highly reliable contacts Pinned lever Double shell case for high mechanical strength and highelectrical insulation Compact size
• Pinned lever Double shell case for high mechanical strength and highelectrical insulation Compact size
• Double shell case for high mechanical strength and highelectrical insulation Compact size
• Compact size
• Highly reliable contacts Pinned lever Double shell case for high mechanical strength and high electrical insulation Compact size
• Pinned lever Double shell case for high mechanical strength and high electrical insulation Compact size
• Double shell case for high mechanical strength and high electrical insulation Compact size
• electrical insulation Compact size

Technical Specifications