Environmentally Sealed Rockers
Series WR
Distinctive Characteristics
Single unit construction of the flange and outer housing
gives added protection from environmental elements.
Specially designed contact mechanism
for breaking light welds.
Minimal contact bounce achieved with
specially designed interlocked switching
mechanism.
Heat resistant resin used for outer housing, inner
case, and cover on wire lead models meets
UL94V-0 flammability standard and provides
high arc and tracking resistance.
Addition of new .250” quick connect terminal option.
Now available with solder lug, screw, quick connect,
and wire lead terminations.
Sealed Construction Meets IP60 & IP67 Standards
Solder lug, screw, and quick connect terminal models
meet IP67 of IEC60529 Standards at front panel (dust
tight and water protected for temporary immersion,
patent pending). Behind panel standard is IP60 (dust
tight but not water protected).
Wire lead models conform fully to IP67 of IEC60529
Standards at front and behind panel (dust tight and
water protected for temporary immersion). Switch
base is epoxy sealed and covered by an outer case
for further protection from dust and water. (Switches
cannot be operated under water. Contact factory for
further details regarding operating environment.)
Actual Size
NKK Switches • email: sales@nkkswitches.com • Phone (480) 991-0942 • Fax (480) 998-1435 • www.nkkswitches.com
05-07
Environmentally Sealed Rockers
Series WR
General Specifications
Electrical Capacity (Resistive Load)
Power Level:
15A @ 125/250V AC or 15A @ 30V DC
Other Ratings
Contact Resistance:
Insulation Resistance:
Dielectric Strength:
Mechanical Life:
Electrical Life:
Angle of Throw:
10 milliohms maximum for solder lug, screw & quick connect terminal models
30 milliohms maximum for wire lead terminal models
200 megohms minimum @ 500V DC
1,250V AC minimum between contacts for 1 minute minimum
3,750V AC minimum between contacts & case for 1 minute minimum
30,000 operations minimum
15,000 operations minimum for circuit 11 and 12 models
10,000 operations minimum for circuit 13, 15, 18, 19 models
24°
Materials & Finishes
Rocker:
Outer Housing:
Inner Case:
Cover for Wire Lead Models:
Flange Gasket:
Movable Contactor:
Movable Contacts:
Stationary Contacts:
Terminals:
Wire Lead Covers:
Phenylene oxide
Polyamide (UL94V-0)
Melamine (UL94V-0)
Glass fiber reinforced polyamide (UL94V-0)
Nitrile butadiene rubber
Copper with silver plating
Silver alloy plus copper with silver plating
Silver alloy plus copper with silver plating
Copper with tin plating for solder lug & wire lead
Brass with silver plating for screw lug
Brass with tin plating for quick connect
Heat resistant polyvinyl chloride (Leads are AWG 14)
Environmental Data
Operating Temp Range:
Humidity:
Vibration:
Shock:
Front Panel Seal:
Behind Panel Seal:
–25°C through +85°C (–13°F through +185°F)
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 5 shocks in each direction)
IP67 of IEC60529, dust tight & water protected during temporary immersion for all models
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:
Cleaning:
Manual Soldering: See Profile A in Supplement section.
Hand clean locally using alcohol based solution.
Standards & Certifications
Flammability Standards:
UL Recognized:
C-UL Recognized:
R
R
V
D E
VDE Approved:
EN Conformity:
Wiring Material Standards:
UL94V-0 outer housing, inner case, & outer cover on wire lead models
Solder & screw lug models recognized at 15A @ 125/250V AC & 15A @ 30V DC;
UL File No. WOYR2.E44145. Add “/U” to end of part number to order UL mark on switch.
Solder & screw lug models recognized at 15A @ 125/250V AC & 15A @ 30V DC;
C-UL File No. WOYR8.E44145. Add “/C-UL” to end of part number to order C-UL mark on switch.
All models approved at 15A @ 250V AC (pending for quick connect); VDE License No. 126501.
Add “/V” to end of part number to order VDE mark on switch.
WR11 & WR12 models meet European Norm for 3mm contact gap to prevent contact welds;
EN No. 61058-1
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
05-07
NKK Switches • email: sales@nkkswitches.com • Phone (480) 991-0942 • Fax (480) 998-1435 • www.nkkswitches.com
Environmentally Sealed Rockers
TYPICAL SWITCH ORDERING EXAMPLE
Series WR
S
WR
1
2
B
POLES
1
SPST
SPDT
1
2
3
5
8
9
(
TERMINALS
CIRCUITS
ON
ON
ON
ON
(ON)
ON
NONE
NONE
OFF
NONE
OFF
OFF
OFF
ON
ON
(ON)
(ON)
(ON)
A
*
B
ROCKERS
Black
Ivory
S
SN
T
TN
F
Solder Lug with
Epoxy Seal
Solder Lug without
Epoxy Seal
Screw Lug with
Epoxy Seal
Screw Lug without
Epoxy Seal
.250” (6.35mm)
Quick Connect
with Epoxy Seal
.250” (6.35mm)
Quick Connect
without Epoxy Seal
Wire Lead
* Contact Factory
for Quick Connect
with Ivory Rocker
) = Momentary
FN
L
IMPORTANT:
Switches are supplied without UL,
C-UL, & VDE marking unless specified.
Specific models & ratings noted on
General Specifications page.
DESCRIPTION FOR TYPICAL ORDERING EXAMPLE
WR12BS
Ivory Rocker
SPDT
ON-NONE-ON Circuit
Solder Lug Terminals with Epoxy Seal
NKK Switches • email: sales@nkkswitches.com • Phone (480) 991-0942 • Fax (480) 998-1435 • www.nkkswitches.com
05-07
Environmentally Sealed Rockers
POLES & CIRCUITS
Rocker Position
(
) = Momentary
Down
Pole
SP
Model
WR11
WR12
WR13
WR15
WR18
WR19
ON
ON
ON
ON
(ON)
ON
NONE
NONE
OFF
NONE
OFF
OFF
OFF
ON
ON
(ON)
(ON)
(ON)
1a-1b
OPEN
OPEN
SPST
Center
Up
Connected Terminals
Down
Center
Up
Note:
Series WR
Throw & Schematics
Terminal numbers are not
actually on wire lead models.
1a (COM)
1b
1 (COM)
SP
1-1b
OPEN
1-1a
SPDT
1a
1b
TYPICAL SWITCH DIMENSIONS
Solder Lug Terminals
NKK P/N This Side
(7.8)
.307
(2.4) Dia Typ
.094
(4.8) Typ
.189
(41.0)
1.614
(30.0)
1.181
(25.4)
1.00
24°
(11.3) Typ
.445
(28.8)
1.134
(34.2)
1.346
1a
1
(34.2)
1.346
1b
(12.9)
.508
(24.0)
.945
(2.5)
.098
(35.4)
1.394
(4.8)
.189
(0.8) Typ
.031
(15.8)
.622
(17.2)
.677
(17.2)
.677
WR12AS
WR11 model does not have terminal 1.
Panel Thickness
.039” ~ .157”
(1.0mm ~ 4.0mm)
Screw Lug Terminals
NKK P/N This Side
(7.8)
.307
M3.5 x 5 Typ
(6.6) Typ
.260
(41.0)
1.614
(30.0)
1.181
(25.4)
1.00
24°
(11.2) Typ
.441
(28.8)
1.134
(34.2)
1.346
1a
1
(34.2)
1.346
1b
(12.9)
.508
(24.0)
.945
(2.5)
.098
(38.9)
1.531
(8.3)
.327
(1.0) Typ
.039
(15.8)
.622
(17.2)
.677
(17.2)
.677
WR12AT
WR11 model does not have terminal 1.
Panel Thickness
.039” ~ .157”
(1.0mm ~ 4.0mm)
NKK Switches • email: sales@nkkswitches.com • Phone (480) 991-0942 • Fax (480) 998-1435 • www.nkkswitches.com
05-07
Environmentally Sealed Rockers
TYPICAL SWITCH DIMENSIONS
.250” (6.35mm) Quick Connect Terminals
Series WR
(7.8)
.307
NKK P/N This Side
(1.65) DiaTyp
.065
(0.8) Typ
.031
1a
1
(22.6)
.890
(28.8)
1.134
(34.2)
1.346
(41.0)
1.614
(30.0)
1.181
24˚
(25.4)
1.00
(6.35) (7.5)
.250 .295
1b
(34.2)
1.346
(3.95)
.156
(3.6)
.142
(12.9)
.508
(24.0)
.945
(2.5)
.098
(41.35)
1.628
(7.95)
.313
(10.75)
.423
(15.8)
.622
(17.2)
.677
(17.2)
.677
WR13AF
WR11 model does not have terminal 1.
Panel Thickness
.039” ~ .157”
(1.0mm ~ 4.0mm)
Wire Lead Terminals
NKK P/N This Side
(7.8)
.307
(41.0)
1.614
(30.0)
1.181
(25.4)
1.00
1a
24°
(34.2)
1.346
1
1b
(34.2)
1.346
(12.9)
.508
(24.0)
.945
(2.5)
.098
(39.5)
1.555
(200.0)
+
–
7.874
(10.0)
.394
(20.0)
(17.2)
.677
(17.2)
.677
WR15BL
WR11 model does not have terminal 1.
Panel Thickness
.039” ~ .157”
(1.0mm ~ 4.0mm)
STANDARD WIRE COLOR SCHEME
Wire leads are covered with heat
resistant vinyl in accordance with
UL 1015 and CSA TEW 105
Standards for Appliance Wiring
Material (AWM).
Terminal Numbers & Wire Colors
1a
WR11
WR12-19
Black
White
Black
1
1b
White
Red
NKK Switches • email: sales@nkkswitches.com • Phone (480) 991-0942 • Fax (480) 998-1435 • www.nkkswitches.com
05-07
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