MINIATURE SWITCHES
4Litho in U.S.A GG
Sensitive Snap-Action Pushbutton Switches —
Solder and P.C. Terminals (Momentary Action)
PS
SERIES
5 AMP. (S.P.)
1 AMP (D.P.)
0.4 VA
DIRECT PANEL MOUNT
ONE POLE
TWO POLE
Basic P/N Terminal Type Poles Cap Size Cap Color Contact Material-Type
PS 1 - Solder lug 1 - One 0 - No Cap 0 - No Cap B - Gold/Nickel/Brass
2 - Printed Circuit 2 - Two 1 - .200 Dia. 1 - Black G - Gold/Nickel/
Terminals 2 - .375 Dia. 2 - White Silver
3 - .450 Sq. 3 - Ted Q - Coin Silver
4 - .310 Dia.
5 - .780 Sq.
Single pole circuit rated 5 amps, double pole circuit rated 1 amp.
Ratings are 0.4 VA — 28 BAC or DC
Supplied with .90” square black bezel as Standard
EXAMPLES:
PS1-100Q = One-pole, S.L., 5 amp., No Cap,
Coin Silver Contacts
PS2-221B = Two-pole, PC, .4 VA, .375 Dia., Black Cap.,
Gold/Nickel/Brass Contacts
NEW .780” SQUARE
CAP AND BEZEL
W-NU-29A W-NU-30A
DECORATIVE FACE NUTS
(SEE NOTE UNDER MATERIALS)
SPECIFICATIONS
Contact Rating – Letter codes G and Q (1 Pole) 5
amp resistive @ 125 VAC (U.L. recognized, CSA
certified) or 5 amp resistive @ 28 VDC. (2 pole) 1
amp resistive @ 125 VAC (U.L. recognized, CSA
certified) or 1 amp resistive @ 28 VDC.
Letter codes B and G – (1 and 2 Poles) 0.4
Volt-amps (VA) maximum @ 28 V max. (AC or
DC).
Contact Resistance – 50 milliohms maximum.
Insulation Resistance – 1,000 megohms min-
imum.
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
simultaneously.
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.
Hardware — (2) Hex nuts W-NU-11, brass nickel
plated. (1) Internal tooth lockwasher W-WA-16,
steel chromium plated. (1) Locking Ring W-RI-16,
C.R.S. nickel plated.
Decorative Face Nuts — Brass, bright chrome
plated. See Page 16 for complete dimensions.
Solder Lug Terminal
Printed Circuit Terminal
Description P/N Color
W-KN-16 Black
W-KN-16A White
W-KN-16B Red
W-KN-32 Black
W-KN-32A White
W-KN-32B Red
W-KN-17 Black
W-KN-17A White
W-KN-17B Red
W-KN-18 Black
W-KN-18A White
W-KN-18B Red
W-KN-52 Black
W-KN-52A White
W-KN-52B Red
Bezel Black
W-BZ-21
.90 Square
Bezel
.780 Square
Cap
Square Cap
.450
Large Cap
.375
Medium Cap
.310
Small Cap
.200