.5 Amp Momentary Pushbuttons Series FB Distinctive Characteristics Optional caps in different colors to vary appearance as needed. Low operating force for ease of actuation. Rear panel bushing mount with compact behind panel dimension. Internal antijamming feature to protect the contacts from damage due to excessive force on the plunger. Self-cleaning contacts make FB models highly reliable. Low cost device of rugged one-piece bushing and housing construction. Reliability of construction with an internal guide to maintain contact alignment. Epoxy sealed terminals. Actual Size NKK Switches • email: [email protected] • Phone (480) 991-0942 • Fax (480) 998-1435 • www.nkkswitches.com 03-07 .5 Amp Momentary Pushbuttons Series FB General Specifications FB Series Electrical Capacity (Resistive Load) Power Level: Logic Level: Other Ratings Contact Resistance: Insulation Resistance: Dielectric Strength: Mechanical Life: Electrical Life: Nominal Operating Force: Travel: Materials & Finishes Plunger: Bushing: Case: Movable Contactor: Stationary Contacts: Terminals: 500mA @ 125V AC for silver 0.4VA max. @ 28V AC/DC max. for gold (Applicable Range 0.1mA ~ 0.1A @ 20mV ~ 28V) Note: Find additional explanation in Supplement section. 30 milliohms maximum for silver; 30 milliohms maximum for gold 100 megohms minimum @ 500V DC 1,000V AC minimum between contacts & between contacts & case for 1 minute minimum 50,000 operations minimum 50,000 operations minimum 2.16N Pretravel .043” (1.1mm) Overtravel .022” (0.57mm) Total Travel .065” (1.67mm) Polyacetal Brass with nickel plating Phenolic resin Copper with silver or gold plating Phosphor bronze with silver or gold plating Phosphor bronze with silver or gold plating Environmental & Installation Data Operating Temp Range: Soldering Time & Temperature: –10°C through +70°C (+14°F through +158°F) Manual Soldering: See Profile A in Supplement section. Standards & Certifications R UL Recognized: Models rated 0.5A @ 125V AC Single pole; Momentary action circuit with solder lug terminations. UL File No. WOYR2.E44145; add “/U” to end of part number to order UL mark on switch. C-UL Recognized: Models rated 0.5A @ 125V AC Single pole; Momentary action circuit with solder lug terminations. C-UL File No. WOYR8.E44145; add “/C-UL” to end of part number to order C-UL mark on switch. NKK Switches • email: [email protected] • Phone (480) 991-0942 • Fax (480) 998-1435 • www.nkkswitches.com 03-07 .5 Amp Momentary Pushbuttons Series FB TYPICAL SWITCH ORDERING EXAMPLE FB EP 15AN POLE & CIRCUIT 15AN SPST OFF F 2 CAP COLORS CONTACT MATERIALS & RATINGS (ON) ( ) = Momentary TERMINALS 2 Silver Contacts 500mA @ 125V AC 4 Gold Contacts 0.4VA max. @ 28V AC/DC max. IMPORTANT: EP Epoxy Sealed PC/Turret P No Epoxy PC/Turret A A Black B White C Red CAPS Switches are supplied without UL & C-UL markings unless specified. Specific models & ratings noted on General Specifications page. F .201” (5.1mm) Dia. H .295” (7.5mm) Dia. DESCRIPTION FOR TYPICAL ORDERING EXAMPLE FB15ANEP2-FA .201” (5.1mm) Diameter Black Cap Silver Contacts & 500-Milliamp Rating SPST OFF-(ON) Circuit Epoxy Sealed PC/Turret Terminals POLE & CIRCUIT Plunger Position ( ) = Momentary Pole Model SP FB15AN Connected Terminals Normal Down Normal Down OFF (ON) OPEN 1-2 Throw & Switch Schematics Note: Terminal numbers are not actually on the switch. SPST 1 NKK Switches • email: [email protected] • Phone (480) 991-0942 • Fax (480) 998-1435 • www.nkkswitches.com 2 03-07 .5 Amp Momentary Pushbuttons Series FB TERMINALS EP Epoxy Sealed PC/Turret Terminals P No Epoxy PC/Turret Terminals CONTACT MATERIALS & RATINGS 2 Silver Contacts Power Level 500mA @ 125V AC 4 Gold Contacts Logic Level 0.4VA maximum @ 28V AC/DC maximum Complete explanation of operating range in Supplement section. TYPICAL SWITCH DIMENSIONS PC/Turret (4.0) .157 (5.1) Dia .201 M5 P0.5 (1.2) .047 (0.15) Typ .006 (5.0) Dia .197 (2.8) Dia .110 (5.0) .197 (5.9) (4.0) .232 .157 (7.0) Dia .276 (2.7) .106 (2.54) .100 (11.8) .465 Plunger is white polyacetal. FB15ANEP2-FA SLIP-ON CAPS & COLORS F AT475 .201” (5.1mm) Diameter H (5.1) Dia .201 (5.9) .232 Material: Polyamide AT496 .295” (7.5mm) Diameter (7.5) Dia .295 (4.0) .157 Finish: Glossy Material: Polyamide (5.9) .232 (4.0) .157 Finish: Glossy Colors Available: A Black B White C Red STANDARD HARDWARE & PANEL CUTOUT M5 P0.5 (7.0) .276 AT536 Hex Nut Material: Brass with nickel plating Panel Thickness: (5.3) Dia .209 .110” (2.8mm) maximum (8.0) .315 (1.2) .047 NKK Switches • email: [email protected] • Phone (480) 991-0942 • Fax (480) 998-1435 • www.nkkswitches.com 03-07