Environmentally Sealed Toggles Series WT
General Specifications
Electrical Capacity (Resistive Load)
Power Level:
10A @ 125V AC or 6A @ 250V AC or 10A @ 30V DC
Other Ratings
Contact Resistance:
10 milliohms maximum for solder lug & screw terminal models;
30 milliohms maximum for wire lead terminal models
200 megohms minimum @ 500V DC
1,500V AC minimum for 1 minute minimum
50,000 operations minimum for On-None-Off, On-None-On, & On-Off-On models
30,000 operations minimum for all other models
15,000 operations minimum
Insulation Resistance:
Dielectric Strength:
Mechanical Life:
Electrical Life:
Angle of Throw:
24°
Materials & Finishes
Toggle:
Brass with chrome plating
Bushing & Outer Case:
Inner Case:
Fiberglass reinforced polyamide (UL94V-0)
Melamine
Inner Sealing Ring:
Nitrile butadiene rubber for On-None-Off, On-None-On, & On-Off-On models;
silicone rubber for all other models
Outer Sealing Ring:
Movable Contactor:
Movable Contacts:
Stationary Contacts:
Terminals:
Natural rubber
Copper with silver plating
Silver alloy plus copper with silver plating
Silver alloy plus copper with silver plating
Copper with tin plating for solder lug & wire lead; brass with silver plating for screw lug
Heat resistant polyvinyl chloride (Leads are AWG 16)
Wire Lead Covers:
Environmental Data
Operating Temp Range:
Humidity:
–30°C through +70°C (–22°F through +158°F)
90 ~ 95% humidity for 96 hours @ 40°C (104°F)
Vibration:
10 ~ 55Hz with peak-to-peak amplitude of 1.5mm traversing the frequency range
& returning in 1 minute; 3 right angled directions for 2 hours
50G (490m/s2) acceleration (tested in 6 right angled directions, with 5 shocks in each direction)
IP67 of IEC60529, dust tight & water protected during temporary immersion for all models;
optional toggle boot AT401 for additional protection (details at end of WT section)
IP60 of IEC60529, dust tight but not water protected
Shock:
Front Panel Seal:
Behind Panel Seal:
for solder lug & screw terminal models
IP67 of IEC60529, dust tight & water protected during temporary immersion
for wire lead models
Installation
Soldering Time & Temp:
Mounting Torque:
Manual Soldering: See Profile A in Supplement section.
1.47Nm (13 lb•in)
Standards & Certifications
Flammability Standards:
UL94V-0 outer case
Wiring Material Standards:
UL AWM 1015 Recognized at Flammability VW-1;
Temperature Range –20°C ~ +105°C; Maximum Load 600V; AWG 16.
CSA TEW 105 Certified at Temperature Range –20°C ~ +105°C;
Maximum Load 600V
NKK Switches • email: sales@nkkswitches.com • Phone (480) 991-0942 • Fax (480) 998-1435 • www.nkkswitches.com
02-08
