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AT057

Description
NUT MOUNTING KB SERIES
Categoryaccessories   
File Size1MB,14 Pages
ManufacturerNKK Switches
Environmental Compliance
Download Datasheet Parametric View All

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AT057 Overview

NUT MOUNTING KB SERIES

AT057 Parametric

Parameter NameAttribute value
Accessory typeKnurled nut
Supporting products/related productsKB series
Series KB
Toggles
Miniature Pushbuttons
General
Specifications
Electrical Capacity (Resistive Load)
Power Level (silver):
Logic Level (gold):
1A @ 125/250V AC or 1A @ 30V DC
0.4VA maximum @ 28V AC/DC maximum (Applicable Range 0.1mA ~ 0.1A @ 20mV ~ 28V)
Note: Find additional explanation of operating range in Supplement section.
Pushbuttons
Rockers
Other Ratings
Programmable
Illuminated PB
D
Contact Resistance:
Insulation Resistance:
Dielectric Strength:
Mechanical Life:
Electrical Life:
Nominal Operating Force:
Contact Timing:
Travel:
Keylocks
50 milliohms maximum
1,000 megohms minimum @ 500V DC
For Silver: 1,000V AC minimum between contacts for 1 minute minimum &
1,500V AC minimum between contacts & case for 1 minute minimum;
For Gold: 750V AC minimum between contacts for 1 minute minimum &
1,500V AC minimum between contacts & case for 1 minute minimum
100,000 operations minimum
50,000 operations minimum for silver; 100,000 operations minimum for gold
Single pole 0.98 ~ 2.45N for maintained & 0.98 ~ 1.96N for momentary;
Double pole 1.47 ~ 3.43N for maintained & 1.47 ~ 2.94N for momentary
Nonshorting (break-before-make)
Pretravel .087” (2.2mm); Overtravel .031” (0.8mm); Total Travel .118” (3.0mm)
Materials & Finishes
Slides
Housing:
Movable Contactor:
Stationary Contacts:
Housing Base:
Terminal Base:
Common Terminals:
End Terminals:
Lamp Terminals:
Polyamide (UL94V-0)
Silver for power circuit; copper with gold plating for logic level circuit
Silver for power circuit; copper with gold plating for logic level circuit
Polyamide (UL94V-0)
Polyester
Phosphor bronze with silver flash plating for power circuit;
Phosphor bronze with gold flash plating for logic level circuit
Brass with silver flash plating for power circuit;
Brass with gold flash plating for logic level circuit
Phosphor bronze with nickel flash plating
Tactiles
Rotaries
Environmental Data
Operating Temperature Range:
Humidity:
Vibration:
Shock:
–25°C through +50°C (–13°F through +122°F) for Illuminated
–25°C through +70°C (–13°F through +158°F) for Nonilluminated
90 ~ 95% humidity for 96 hours @ 40°C (104°F)
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/s
2
) acceleration (tested in 6 right angled directions, with 3 shocks in each direction)
Touch
Tilt
Installation
Indicators
Mounting Torque:
Cap Installation Force:
Soldering Time & Temperature:
0.78Nm (6.9 lb
in) maximum
4.51N (1.0 lbf) maximum downward force on cap
Manual Soldering: See Profile A in Supplement section.
Standards & Certifications
Accessories
Flammability Standards:
UL:
CSA:
Supplement
UL94V-0 housing & housing base
File No. E44145 - Recognized only when ordered with marking on switch.
Add “/U” or “/CUL” before first dash in part number to order UL recognized switch.
Single & double pole models recognized at 1A @ 125/250V AC, 1A @ 30V DC, & 0.4VA @ 28V DC.
File No. 023535_0_000 - Certified only when ordered with marking on switch.
Add “/C” before first dash in part number to order CSA certified switch.
Single & double pole models recognized at 1A @ 125/250V AC, 1A @ 30V DC, & 0.4VA @ 28V DC.
D22
www.nkkswitches.com
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