W-KN-18B RED Electroswitch Inc., W-KN-18B RED Datasheet - Page 5

• Manufacturer Part Number: W-KN-18B RED
• Description: Cap, Pushbutton; Red; Diallyl Phthalate; Solder Lug; Stainless Steel; 0.450 in.
• Manufacturer: Electroswitch Inc.

Specifications of W-KN-18B RED

• Brand/series: W-KN Series
• Color: Red
• Diameter: 0.450 in.
• Finish, Body: Stainless Steel
• Material, Body: Diallyl Phthalate
• Material, Terminal: Solder Lug
• Lead Free Status / Rohs Status: RoHS Compliant part

ORDERING EXAMPLES:
Sensitive Snap-Action Pushbutton Switches —
P.C. Terminals (Momentary Action)
(SHORT BUSHING)
SPECIFICATIONS
Contact Rating – Letter codes G and Q (1 Pole) 5
amp resistive @ 125 VAC
certified)
resistive @ 125 VAC
1 amp resistive @ 28 VDC.
Letter codes B and G – (1 and 2 Poles) 0.4 Volt-
amps (VA) maximum @ 28 V maximum (AC or DC).
Contact Resistance – 50 milliohms maximum.
Insulation Resistance – 1,000 megohms minimum.
Dielectric Strength – 1,000 volts RMS minimum at
sea level.
Electrical Life – 60,000 cycles minimum at full load-
resistive.
Maximum Allowable Installation Force on Plunger
– 10 pounds.
Multi-pole contacts do not make and break simul-
taneously.
PS7-100G =
PS8-221B =
VERTICAL P.C. MOUNT (.460 x .620 BRACKET)
(LONG BUSHING)
8
SERIES
PS
Basic P/N
Single pole circuit rated 5 amps, double pole circuit rated 1 amp.
Ratings are 0.4 VA — 28 VAC or DC.
or 5 amp resistive @ 28 VDC. (2 pole) 1 amp
PS7
PS8
PS
1 AMP. (D.P.)
5 AMP. (S.P.)
7 - PC Mounted
8 - PC Mounted
(PC mounted 5 amp.)
(PC mounted 0.4 VA)
0.4 VA
(U.L. recognized, CSA certified)
Terminal Type
P
P
S
S
(U.L. recognized, CSA
7
8
-
-
1 - One
2 - Two
Poles
One-pole
Two-pole
or
SP
SP
1
2
0 - No Cap
1 - .200 Dia.
2 - .375 Dia.
3 - .450 Sq.
4 - .310 Dia.
MATERIALS
Case — Diallyl Phthalate.
Bushing — Brass, nickel plated.
Housing — Stainless steel.
Plunger — Thermoplastic.
Common Contact — Refer to contact material
table above.
Center & End Contact — Refer to contact material
table above.
Cap Size
.375 Dia.
No Cap No Color
0
2
0 - No Cap
1 - Black
2 - White
Black Cap
Cap Color
0
1
DP
DP
G - Gold/Nickel/Silver
Q - Coin Silver
B - Gold/Nickel/Brass
Silver Contacts
Contact Material-Type
Brass Contacts
Gold/Nickel/
Gold/Nickel/
G
B
MINIATURE SWITCHES
Medium Cap
Square Cap
Description
Small Cap
Large Cap
Printed Circuit Terminal
1 Pole P.C. Mounting
2 Pole P.C. Mounting
.200
.310
.375
.450
W-KN-16
W-KN-16A
W-KN-16B
W-KN-32
W-KN-32A
W-KN-32B
W-KN-17
W-KN-17A
W-KN-17B
W-KN-18
W-KN-18A
W-KN-18B
P/N
Litho in U.S.A GG
EPOXY SEAL
STD. FOR
THIS SERIES
Black
White
Red
Black
White
Red
Black
White
Red
Black
White
Red
Color