Datasheet

Series FB & SB
Momentary Pushbuttons
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General Specifications
FB Series
Electrical Capacity (Resistive Load)
Power Level: 500mA @ 125V AC for silver
Logic Level: 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: 30 milliohms maximum for silver;
30 milliohms maximum for gold
Insulation Resistance: 100 megohms minimum @ 500V DC
Dielectric Strength: 1,000V AC minimum between contacts &
between contacts & case for 1 minute minimum
Mechanical Life: 50,000 operations minimum
Electrical Life: 50,000 operations minimum
Nominal Operating Force: 2.16N
Travel: Pretravel .043” (1.1mm)
Overtravel .022” (0.57mm)
Total Travel .065” (1.67mm)
Materials & Finishes
Plunger: Polyacetal
Bushing: Brass with nickel plating
Case: Phenolic resin
Movable Contactor: Copper with silver or gold plating
Stationary Contacts: Phosphor bronze with silver or gold plating
Terminals: Phosphor bronze with silver or gold plating
Environmental & Installation Data
Operating Temp Range: –10°C through +70°C (+14°F through +158°F)
Soldering Time & Manual Soldering:
Temperature: See Profile A in Supplement section.
Standards & Certifications
UL: File No. E44145
Models rated 0.5A @ 125V AC Single pole;
Momentary action circuit with solder lug
terminations.
Add “/U” to end of part number to order UL
mark on switch.
Add “/CUL” to end of part number to order
cULus mark on switch.
CSA:
SB Series
3A @ 125V AC or 2A @ 250V AC or
2A @ 30V DC for silver
0.4VA max. @ 28V AC/DC max. for gold
(Applicable Range 0.1mA ~ 0.1A @ 20mV ~ 28V)
Note: Find explanation of operating range in
Supplement section.
10 milliohms maximum for silver;
20 milliohms maximum for gold
200 megohms minimum @ 500V DC
1,000V AC minimum between contacts
& between contacts & case for 1 minute minimum
30,000 operations minimum
10,000 operations minimum
4.90N
Normally Open
Total Travel .088” (2.24mm)
Normally Closed
Total Travel .088” (2.24mm)
Phenolic resin
Brass with nickel plating
Phenolic resin
Copper with silver or gold plating
Copper with silver or gold plating
Copper with silver or gold plating
–10°C through +70°C (+14°F through +158°F)
Manual Soldering:
See Profile A in Supplement section.
File No. E44145
Models rated 3A @ 125V AC & 2A @ 250V AC.
Single pole: Momentary action circuit with solder lug
terminations.
Add “/U” to end of part number to order UL mark on
switch.
Add “/CUL” to end of part number to order cULus
mark on switch.
File Number: 023535_0_000
SB series rated 3A @ 125V AC & 2A @ 250V AC.
Single pole: Momentary action circuit with solder lug
terminations.
Add “/C” to end of part number to order CSA mark on
switch.