AT4057 NKK Switches, AT4057 Datasheet - Page 2

• Manufacturer Part Number: AT4057
• Description: PROTECTIVE GUARD FOR LB SER RECT
• Manufacturer: NKK Switches
• Type: Protective Guardr
• Series: ATr

Specifications of AT4057

• Accessory Type: Protective Guard
• Color: Clear
• Height: 8 mm
• Length: 26 mm
• Mounting Style: SMD/SMT
• Termination Style: Snap On
• Width: 21 mm
• Brand/series: LB Series
• Shape: Rectangular
• For Use With/related Products: LB Series - Rectangular
• For Use With: 360-2052 - SWITCH PB ILLUM DPDT ALT GRN SLD360-2051 - SWITCH PB ILLUM DPDT ALT AMB SLD360-2050 - SWITCH PB ILLUM DPDT ALT RED SLD360-2043 - SWITCH PB ILLUM DPDT MOM GRN SLD360-2042 - SWITCH PB ILLUM DPDT MOM AMB SLD360-2041 - SWITCH PB ILLUM DPDT MOM RED SLD360-2034 - SWITCH PB ILLUM SPDT ALT GRN SLD360-2033 - SWITCH PB ILLUM SPDT ALT AMB SLD360-2032 - SWITCH PB ILLUM SPDT ALT RED SLD360-2025 - SWITCH PB ILLUM SPDT MOM GRN SLD360-2024 - SWITCH PB ILLUM SPDT MOM AMB SLD360-2023 - SWITCH PB ILLUM SPDT MOM RED SLD
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: 360-1007

General Specifications
NKK Switches • email: [e-mail] • Phone [phone] • Fax [phone] • www.nkkswitches.com
Electrical Capacity (Resistive Load)
Other Ratings
Materials & Finishes
Environmental Data
Installation
R
Standards & Certifications
Soldering Time & Temperature:
Nominal Operating Force:
Flammability Standards:
Operating Temp Range:
UL & C-UL Recognized:
Cap Installation Force:
Insulation Resistance:
Quick Connect Force:
Stationary Contacts:
Power Level (silver):
Contact Resistance:
Dielectric Strength:
Logic Level (gold):
Movable Contact:
Mechanical Life:
Contact Timing:
Snap-in Frame:
CSA Certified:
Electrical Life:
Terminals:
Vibration:
Humidity:
Housing:
Sealing:
Shock:
Travel:
Base:
3A @ 125V AC or 3A @ 250V AC or 3A @ 30V DC
0.4VA maximum @ 28V AC/DC maximum
Note: Find additional explanation in Supplement section.
50 milliohms maximum for silver; 100 milliohms maximum for gold
200 megohms minimum @ 500V DC
1,000V AC minimum between contacts for 1 minute minimum;
1,500V AC minimum between contacts & case for 1 minute minimum
1,000,000 operations minimum for momentary circuit
200,000 operations minimum for maintained circuit
100,000 operations minimum
4.41N
Nonshorting (break-before-make)
Pretravel .059” (1.5mm); Overtravel .059” (1.5mm); Total Travel .118” (3.0mm)
Pretravel .087” (2.2mm); Overtravel .031” (0.8mm); Total Travel .118” (3.0mm)
Glass fiber reinforced polyamide (UL94V-0)
Stainless steel
Silver alloy or copper with gold plating
Silver alloy or copper with gold plating
Liquid crystal polymer (UL94V-0)
Phosphor bronze with silver or gold plating
–25°C through +70°C (–13°F through +158°F)
Note: When used with a polyvinyl chloride splash cover, the lowest limit is 0°C (32°F)
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
Not available for snap-in; see next section for panel seal.
3.92N maximum downward force on cap
52.95N maximum downward force on connector
Manual Soldering: See Profile A in Supplement section.
UL94V-0 housing & base
All models recognized at 3A @ 125V or 250V AC or 0.4VA @ 28V AC/DC maximum;
UL File No. WOYR2.E44145; add “/U” to end of part number to order UL mark on switch;
C-UL File No. WOYR8.E44145; add “/C-UL” to end of part number to order C-UL mark on switch.
All models certified at 3A @ 125V or 250V AC or 0.4VA @ 28V AC/DC maximum;
CSA File Nos. 023535-0-000; add “/C” to end of part number to order CSA mark on switch.
(Applicable Range 0.1mA ~ 0.1A @ 20mV ~ 28V)
2
) acceleration (tested in 6 right angled directions, with 5 shocks in each direction)
Standard Size Pushbuttons
Series LB
03-07