SW3821-RO NKK Switches, SW3821-RO Datasheet - Page 3

• Manufacturer Part Number: SW3821-RO
• Description: Rocker Switches & Paddle Switches DPST ON-NONE-OFF
• Manufacturer: NKK Switches
• Type: High Capacity Rockersr

Specifications of SW3821-RO

• Contact Form: DPST
• Contact Rating: 30 Amps at 125 VoltsAC, 250 VoltsAC, 30 VoltsDC, 1 Amp at 125 VoltsDC
• Actuator: Rocker
• Mounting Style: Panel
• Terminal Seal: Resin
• Contact Plating: Nickel
• Cap Color: White
• Features: Constructed of sturdy, high performance materials that include a zinc-plated steel mounting plate
• Voltage Rating Ac: 125 VoltsAC/DC, 250 VoltsAC, 30 VoltsDC
• Switch Function: ON - NONE - OFF
• Termination Style: Screw Lug
• Pole Throw Configuration: DPST
• Switch Configuration: ON None OFF
• Actuator Style: Rocker
• Actuator Material: Urea Resin
• Current Rating (max): 30A
• Ac Voltage Rating (max): 250VVAC
• Dc Voltage Rating (max): 125VVDC
• Mechanical Life: 50000
• Contact Material: Copper
• Product Depth (mm): 24mm
• Product Length (mm): 56mm
• Operating Temp Range: -10C to 70C
• Terminal Type: Screw Lug
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: 633-SW3821 SW-3821 SW3821

B
Series SW
B122
Electrical Capacity (Resistive & Inductive Load)
Other Ratings
Materials & Finishes
Environmental Data
Standards & Certifications
Nominal Operating Force:
Operating Temp Range:
Case Cover/Insulator:
Insulation Resistance:
Stationary Contacts:
Contact Resistance:
Dielectric Strength:
Movable Contacts:
Mounting Frame:
Mechanical Life:
Angle of Throw:
Electrical Life:
Power Level:
Terminals:
Rocker:
Case:
CSA:
GENERAL SPECIFICATIONS FOR SW3800s
UL:
Shown in the following tables
Note: See Supplement section for details of design for inductive DC loads.
10 milliohms maximum
1,000 megohms minimum @ 500V DC
2,000V AC minimum for 1 minute minimum
50,000 operations minimum
25,000 operations minimum
Shown on following drawings
1,800 grams for SW3822
2,200 grams for SW3823 Off to On
800 grams for SW3823 On to Off
Urea resin; all rockers are white.
Steel with chromate plating over zinc plating
Phenolic resin
Melamine phenol
Copper with silver plating
Silver alloy plus copper with silver plating
Brass (terminal screws of brass with nickel plating)
–10°C through +70°C (+14°F through +158°F)
File No. E44145
UL or cULus recognition designated beside part numbers on following pages.
See Supplement section to find UL and cULus rating details.
Add “/U” to end of part number to order UL mark on switch.
Add “/CUL” to end of part number to order cULus mark on switch.
File No. 023535_0_000
CSA certification designated beside part numbers on following pages.
See Supplement section to find CSA rating details.
Add “/C” to end of part number to order CSA mark on switch.
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High Capacity Rockers