.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
N KK Switches • email: sales@nkkswitches.com • 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: 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.
Other Ratings
Contact Resistance:
Insulation Resistance: Dielectric Strength: Mechanical Life: Electrical Life: Nominal Operating Force: Travel:
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)
Materials & Finishes
Plunger: Bushing: Case: Movable Contactor: Stationary Contacts: Terminals:
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
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. 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.
C-UL Recognized:
R
N KK Switches • email: sales@nkkswitches.com • Phone (480) 991-0942 • Fax (480) 998-1435 • www.nkkswitches.com
03-07
.5 Amp Momentary Pushbuttons
TYPICAL SWITCH ORDERING EXAMPLE
Series FB A
FB
15AN
EP
2
F
P OLE & CIRCUIT
15AN SPST OFF (ON) ( ) = Momentary
C ONTACT MATERIALS & RATINGS
2 4 Silver Contacts 500mA @ 125V AC Gold Contacts 0.4VA max. @ 28V AC/DC max.
CAP COLORS
A B C Black White Red
TERMINALS
EP P Epoxy Sealed PC/Turret No Epoxy PC/Turret
IMPORTANT:
Switches are supplied without UL & C-UL markings unless specified. Specific models & ratings noted on General Specifications page.
CAPS
F H .201” (5.1mm) Dia. .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 Normal Pole SP Model FB15AN OFF (ON) OPEN 1-2 Down Connected Terminals Normal Down Throw & Switch Schematics Note: Terminal numbers are not actually on the switch.
SPST
1
2
N KK Switches • email: sales@nkkswitches.com • Phone (480) 991-0942 • Fax (480) 998-1435 • www.nkkswitches.com
03-07
.5 Amp Momentary Pushbuttons
TERMINALS EP
Epoxy Sealed PC/Turret Terminals
Series FB
P
No Epoxy PC/Turret Terminals
CONTACT MATERIALS & RATINGS 2 4
Silver Contacts Gold Contacts Power Level Logic Level 500mA @ 125V AC 0.4VA maximum @ 28V AC/DC maximum
Complete explanation of operating range in Supplement section.
TYPICAL SWITCH DIMENSIONS
PC/Turret
(5.1) Dia .201 (4.0) .157 M5 P0.5 (1.2) .047 (5.0) Dia .197 (2.8) Dia .110 (0.15) Typ .006
(5.0) .197 (5.9) (4.0) .232 .157 (11.8) .465
(2.7) .106 (2.54) .100
(7.0) Dia .276
FB15ANEP2-FA
Plunger is white polyacetal.
SLIP-ON CAPS & COLORS F
AT475 .201” (5.1mm) Diameter
(5.1) Dia .201 (5.9) .232 (4.0) .157
H
AT496 .295” (7.5mm) Diameter
(7.5) Dia .295 (5.9) .232 (4.0) .157
Material: Polyamide Finish: Glossy
Material: Polyamide Finish: Glossy
Colors Available:
A
Black
B
White
C
Red
STANDARD HARDWARE & PANEL CUTOUT
M5 P0.5
AT536 Hex Nut Material: Brass with nickel plating
(8.0) .315
(7.0) .276
Panel Thickness: .110” (2.8mm) maximum
(5.3) Dia .209
(1.2) .047
N KK Switches • email: sales@nkkswitches.com • Phone (480) 991-0942 • Fax (480) 998-1435 • www.nkkswitches.com
03-07
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