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参数资料
| 型号： | AT057 |
| 厂商： | NKK Switches |
| 文件页数： | 1/13页 |
| 文件大小： | 0K |
| 描述： | NUT MOUNTING KB SERIES |
| 产品培训模块： | Switch Basics |
| 标准包装： | 1 |
Series KB
General Specifications
Electrical Capacity (Resistive Load)
Power Level (silver): 1A @ 125/250V AC or 1A @ 30V DC
Miniature Pushbuttons
Logic Level (gold):
Other Ratings
Contact Resistance:
Insulation Resistance:
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.
50 milliohms maximum
1,000 megohms minimum @ 500V DC
D
Dielectric Strength:
Mechanical Life:
Electrical Life:
Nominal Operating Force:
Contact Timing:
Travel:
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
Housing:
Polyamide (UL94V-0)
Movable Contactor:
Stationary Contacts:
Housing Base:
Terminal Base:
Common Terminals:
End Terminals:
Lamp Terminals:
Environmental Data
Operating Temperature Range:
Humidity:
Vibration:
Shock:
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
–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)
Installation
Mounting Torque:
0.78Nm (6.9 lb ? in) maximum
Cap Installation Force:
Soldering Time & Temperature:
Standards & Certifications
Flammability Standards:
UL:
CSA:
D22
4.51N (1.0 lbf) maximum downward force on cap
Manual Soldering: See Profile A in Supplement section.
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.
www.nkk.com
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