The KJD17B electromagnetic device push button control switch is designed for residential equipment and is compatible with M4YD configurations. It uses an electromagnetic coil to actuate a pushbutton control, delivering reliable switching in standard home control panels. Key benefits Reliable electromagnetic actuation provides consistent switching and reduces wear associated with purely mechanical switches. Simple panel installation with a compact, panelmount form factor suitable for common residential enclosures. Durable construction designed for typical home electrical environments and daily use. Clear integration with M4YD control configurations for streamlined installation and compatibility. Quick response and dependable operation for routine on/off control of household equipment. Key attributes Functionality: Electromagnetic pushbutton control switch that actuates a control circuit. Compatibility: Designed for residential equipment and compatible with M4YD configurations. Mounting: Panelmount design suitable for standard control panels. Size: Compact form factor to fit in standard enclosure spaces. Construction: Built for durability in home environments. Performance: Provides reliable actuation with repeatable switching for everyday residential use. Applications Main power control for residential HVAC or air handling systems within a home service panel. On/off control in water heater or boiler control circuits located in utility rooms or closets. Panel control for sump pumps, dehumidifiers, or other common household appliances in basements or utility spaces.