Series SW

High Capacity Rockers

B122

B

www.nkkswitches.com

Electrical Capacity (Resistive & Inductive Load)

Power Level:

Shown in the following tables

Note: See Supplement section for details of design for inductive DC loads.

Other Ratings

Contact Resistance:

10 milliohms maximum

Insulation Resistance:

1,000 megohms minimum @ 500V DC

Dielectric Strength:

2,000V AC minimum for 1 minute minimum

Mechanical Life:

50,000 operations minimum

Electrical Life:

25,000 operations minimum

Angle of Throw:

Shown on following drawings

Nominal Operating Force:

1,800 grams for SW3822

2,200 grams for SW3823 Off to On

800 grams for SW3823 On to Off

Materials & Finishes

Rocker:

Urea resin; all rockers are white.

Mounting Frame:

Steel with chromate plating over zinc plating

Case Cover/Insulator:

Phenolic resin

Case:

Melamine phenol

Movable Contacts:

Copper with silver plating

Stationary Contacts:

Silver alloy plus copper with silver plating

Terminals:

Brass (terminal screws of brass with nickel plating)

Environmental Data

Operating Temp Range:

–10°C through +70°C (+14°F through +158°F)

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 SW3800s

Wiring for SW3821D with Electrical Capacity of DC400V 10A

Contact Connection Position

2

3

5

6

1

2

3

4

5

6

Minus Pole

Connection

Plus Pole

Connection

External

Connection