Series WR

Environmentally Sealed Rockers

B124

B

www.nkkswitches.com

Electrical Capacity (Resistive Load)

Power Level:

15A @ 125/250V AC or 15A @ 30V DC

Other Ratings

Contact Resistance:

10 milliohms maximum for solder lug, screw & quick connect terminal models

30 milliohms maximum for wire lead terminal models

Insulation Resistance:

200 megohms minimum @ 500V DC

Dielectric Strength:

1,250V AC minimum between contacts for 1 minute minimum

3,750V AC minimum between contacts & case for 1 minute minimum

Mechanical Life:

30,000 operations minimum

Electrical Life:

15,000 operations minimum for circuit 11 and 12 models

10,000 operations minimum for circuit 13, 15, 18, 19 models

Angle of Throw:

24°

Materials & Finishes

Rocker:

Phenylene oxide

Outer Housing:

Polyamide (UL94V-0)

Inner Case:

Melamine (UL94V-0)

Cover for Wire Lead Models:

Glass fiber reinforced polyamide (UL94V-0)

Flange Gasket:

Nitrile butadiene rubber

Movable Contactor:

Copper with silver plating

Movable Contacts:

Silver alloy plus copper with silver plating

Stationary Contacts:

Silver alloy plus copper with silver plating

Terminals:

Brass with tin plating

Wire Lead Covers:

Heat resistant polyvinyl chloride (Leads are AWG 14)

Environmental Data

Operating Temp Range:

–25°C through +85°C (–13°F through +185°F)

Humidity:

90 ~ 95% humidity for 96 hours @ 40°C (104°F)

Vibration:

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

Shock:

Front Panel Seal:

IP67 of IEC60529, dust tight & water protected during temporary immersion for all models

Behind Panel Seal:

IP60 of IEC60529, dust tight but not water protected for solder lug, screw & quick connect models

IP67 of IEC60529, dust tight & water protected during temporary immersion for wire lead models

Installation

Soldering Time & Temp:

Manual Soldering: See Profile A in Supplement section.

Cleaning:

Hand clean locally using alcohol based solution.

Standards & Certifications

Flammability Standards:

UL94V-0 outer housing, inner case, & outer cover on wire lead models

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.

All models approved at 15A @ 125/250V AC & 15A @ 30V DC.

VDE:

License No. 40028806 - Approved only when ordered with marking on switch.

Add “/V” to end of part number to order VDE approved switch.

All models approved at 15A @ 250V AC (pending for quick connect).

EN:

No. 61058-1

WR11 & WR12 models meet European Norm for 3mm contact gap to prevent contact welds.

Wiring Material Standards:

UL AWM 1015 Recognized at Flammability VW-1.

Temperature Range –20°C ~ +105°C; Maximum Load 600V; AWG 14.

CSA TEW 105 Certified at Temperature Range –20°C ~ +105°C; Maximum Load 600V.