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SB221NO 데이터시트(PDF) 1 Page - List of Unclassifed Manufacturers |
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SB221NO 데이터시트(HTML) 1 Page - List of Unclassifed Manufacturers |
1 / 3 page Series SB Low/Medium Capacity Pushbuttons www.nkk.com C128 C Electrical Capacity (Resistive Load) Power Level: Shown in the following tables Other Ratings Contact Resistance: 10 milliohms maximum Insulation Resistance: 200 megohms minimum @ 500V DC for SB221s, SB25, & SB265; 1,000 megohms minimum @ 500V DC for SB60s. Dielectric Strength: 1,500V AC minimum for SB265 & SB25 for 1 minute minimum; 2,000V AC minimum between contacts for SB221s & SB60s for 1 minute minimum; 1,500V AC minimum between contacts & case for SB221s & SB60s for 1 minute minimum Mechanical Life: 50,000 operations minimum for SB221s; 30,000 operations minimum for SB25, SB60s, SB265 Electrical Life: 10,000 operations minimum Total Travel: SB221s .116” (2.95mm); SB60s .094” (2.4mm); SB265 .213” (5.4mm); SB25 .195” (4.95mm) Operating Temp Range: –10°C through +70°C (+14°F through +158°F) Materials & Finishes Cap: Polybutylene terephthalate (PBT) (AT414) Plunger: Polyacetal or brass with nickel plating Bushing: Brass with nickel plating Case: Phenolic resin or melamine phenolic resin Case Cover: Steel with zinc plating Movable & Stationary Contacts: Copper with silver plating for SB221s; silver alloy with silver plating for SB25, SB60s, & SB265 Terminals: Copper with tin plating for SB25 & SB60s; copper with silver plating for SB265 Installation Soldering Time & Temp: Manual Soldering (Solder Lug): See Profile A in Supplement section. Standards & Certifications UL: File No. E44145 - Recognized only when ordered with marking on switch. Add “/U” or “/CUL” to end of part number to order UL recognized switch. UL or cULus recognition designated beside part numbers on following pages. See Supplement section to find UL or cULus rating details. CSA: File No. 023535_0_000 - Certified only when ordered with marking on switch. Add “/C” to end of part number to order CSA certified switch. CSA certification designated beside part numbers on following pages. See Supplement section to find CSA rating details. GENERAL SPECIFICATIONS FOR SB25, SB60s, SB221s, SB265 |
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