WR18BT NKK Switches, WR18BT Datasheet - Page 5

• Manufacturer Part Number: WR18BT
• Description: SWITCH ROCKER SPDT SCREW LUG
• Manufacturer: NKK Switches
• Series: WRr
• Type: Environmentally Sealed Rockersr

Specifications of WR18BT

• Circuit: SPDT
• Switch Function: Mom-Off-Mom
• Contact Rating @ Voltage: 15A @ 125VAC
• Illumination: Non-Illuminated
• Mounting Type: Panel Mount, Snap-In
• Termination Style: Screw Terminal
• Panel Cutout Dimensions: 34.20mm x 17.20mm
• Pole Throw Configuration: SPDT
• Switch Configuration: ON OFF ON
• Actuator Style: Rocker
• Actuator Material: Phenylene Oxide
• Current Rating (max): 15A
• Ac Voltage Rating (max): 250VVAC
• Dc Voltage Rating (max): 30VVDC
• Mechanical Life: 30000
• Contact Material: Silver Alloy/Copper
• Contact Plating: Silver
• Housing Material: N/A/Polyamide
• Product Height (mm): 46.7mm
• Product Depth (mm): 24mm
• Product Length (mm): 41mm
• Operating Temp Range: -25C to 85C
• Mounting Style: Panel
• Terminal Type: Screw Lug
• Contact Form: SPDT
• Contact Rating: 15 Amps at 125 VoltsAC, 250 VoltsAC, 30 VoltsDC
• Actuator: Rocker
• Color: Ivory
• Terminal Seal: Epoxy
• Features: Single unit construction of flange and outer housing gives added protection from environmental elements
• Voltage Rating Ac: 125 VoltsAC, 250 VoltsAC
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Illumination Type, Color: -
• Illumination Voltage (nominal): -
• Lead Free Status / Rohs Status: Compliant

B
Series WR
B128
.250” (6.35mm) Quick Connect Terminals
Wire Lead Terminals
WR13AF
WR15BL
Wire leads are covered with heat
resistant vinyl in accordance with
UL 1015 and CSA TEW 105
Standards for Appliance Wiring
Material (AWM).
(41.0)
1.614
(41.0)
1.614
(30.0)
(30.0)
1.181
1.181
NKK P/N This Side
NKK P/N This Side
(12.9)
(24.0)
(12.9)
(24.0)
.508
.945
.508
.945
STANDARD WIRE COLOR SCHEME
TYPICAL SWITCH DIMENSIONS
(25.4)
1.00
(25.4)
1.00
24˚
24°
www.nkk.com
.098
(2.5)
.098
(2.5)
.307
(7.8)
(7.8)
.307
WR11 model does not have terminal 1.
WR11 model does not have terminal 1.
WR12-19
(39.5)
1.555
(41.35)
WR11
1.628
Terminal Numbers & Wire Colors
(10.75)
.423
(7.95)
.313
(6.35)
(1.65)
.065
.250
(200.0)
Environmentally Sealed Rockers
(3.95)
7.874
.156
White
.031
(0.8)
Black
Dia Typ
.295
(7.5)
1a
Typ
+ –
(34.2)
1.346
(20.0)
(10.0)
.394
(34.2)
1.346
(3.6)
.142
Black
1
1
1b
1a
(15.8)
.622
(17.2)
.677
White
1a
1
1b
(17.2)
.677
Red
1b
(22.6)
.890
(28.8)
1.134
(1.0mm ~ 4.0mm)
(1.0mm ~ 4.0mm)
Panel Thickness
Panel Thickness
.039” ~ .157”
.039” ~ .157”
(17.2)
(17.2)
.677
.677
(34.2)
1.346
(34.2)
1.346