300 & 400 SERIES - MINIATURE PUSHBUTTON SWITCHES
SPECIFICATIONS SUBJECT TO CHANGE WITHOUT NOTICE
L
FEATURES
Dry circuit through power ratings .
Compact size SPST momentary and alternate action models with numerous options.
Panel, panel & p.c. and p.c. mounting models, lighted and unlighted.
SPECIFICATIONS
Contact ratings & life:
(Q) power models - coin silver: 1 Amp at 125 VAC or 28 VDC or 0.5 Amps
at 250 VAC - electric life 250,000 cycles min. 3 Amps at 125 VAC or 28 VDC,
or 1.5 Amps at 250 VAC - electric life 10,000 cycles min. (All previous loads
are resistive).
(B) dry circuit models - gold over nickel over brass: 0.4 VA max. at 20 V max.-
electric life 250,000 cycles min.
UL models - coin silver: 1 Amp at 125 VAC or 0.5 Amps at 250 VAC (75%
power factor). UL file no. E66367.
10 milliohms max. at 3 VDC, 0.1 Amp.
Greater than 10,000 megohms.
1000 Volts RMS min. at sea level.
-30°C to +85°C
Initial contact resistance:
Insulation resistance:
Dielectric strength:
Operating temperature range:
MATERIALS
Contacts:
Actuator:
Bushing:
Base:
Terminal seal:
Support bracket:
Spring mounting bracket:
Bezel & cap:
Hardware:
LED:
Coin silver for power & UL models. Gold over nickel over brass for dry
circuit models.
Nylon. Black color is standard for 300 Series. White is standard for 400 Series.
Nickel plated brass
DAP, color blue.
Epoxy (standard)
Brass or steel, tin plated
Stainless steel
Nylon. Available in black, red or white. Consult factory for other colors.
See Miscellaneous section.
Intensity: 2.0 mcd at 10 mA. Forward voltage: 2.0V (3.0V max.). Max. contin-
uous forward current: 30 mA at 25°C. Red standard - yellow & green are op-
tional. Specifications are subject to change without notice - consult factory.
AGENCY RECOGNITION
UL Marking: Switches ordered with '/UL' added at
end of model no. are supplied with recognized mark.
ABOUT THIS SERIES
The material in this series is organized in the following sequence:
a. Completely specified switch models & options b. 'build your own switch' order format
c. Additional options & panel cut-outs
L24
APEM
, 63 NECK ROAD, HAVERHILL, MA USA 01835 TOLL FREE: (877) 246-7890 FAX: (978) 372-3534 E-mail: info@apem.com
300 & 400 SERIES - MINIATURE PUSHBUTTON SWITCHES
300 SERIES
SPST Momentary (Normally open or normally closed)
White actuator
optional - black is
standard
(Q)
Power
Model No.
301ZQE
302ZQE
305ZQE
(B)
Dry ckt.
Model No.
301ZBE
302ZBE
305ZBE
UL
Model No.
301ZQE/UL
302ZQE/UL
305ZQE/UL
L
Switch caps optional - see Hardware section of catalog.
306ZQE
306ZBE
306ZQE/UL
*
indicates 'Q' option not available for these models
302
301
N.O. without overtravel
Total travel:
.060
Actuation force:
10 oz. ± 4 oz.
N.O.
with overtravel
Total travel:
Overtravel:
Actuation force:
.110
.020 min.
8.5 oz. ± 4 oz.
305
N.O. with more overtravel than
301
Total travel: .110
Pretravel to contact closure: .030
Actuation force to contact closure:
3 oz.
Overtravel: .075
Actuation force at full travel: 8 oz.
306
N.O. with sealed contact area
and maximum overtravel.
Total travel: .310
Pretravel to contact closure: .025
Actuator force to contact closure: 1.5
oz.
Overtravel: .250 minimum
Actuation force at full travel: 9 oz.
Note: Electrical or mechanical life
for this model is 20,000 cycles.
400 SERIES
(401 Push on/ push off, 402 N.O. momentary)
Black
actuator
optional -
white is
standard
(Q)
Power
Model No.
401ZQE
402ZQE
(B)
Dry ckt.
Model No.
401ZBE
402ZBE
UL
Model No.
401ZQE/UL
402ZQE/UL
SNAP-ACTION MECHANISM
Pretravel to contact clusure:
.026
Travel to actuate switch
.106
Total travel:
.137
Force to actuate switch:
22 oz.
Force at maximum travel:
35 oz.
Mechanical life:
1,000,000 cycles minimum
United States Patent 4,319,106
Switchcaps optional - see Hardware section of catalog.
NOTE: When using sealing boot U5321 with 400 Series switches,
add 'S1' to model number.
OPTIONS
Colored operating
actuator
Available in dyed nylon.To specify,
add digit at end of model number -
1
blue,
2
black,
3
green,
5
yellow,
6
red,
7/1
white or
9
orange.
Black is standard for 300 Series.
White is standard for 400 Series.
Z
C
E
(standard)
Solder lug terminal
Printed circuit terminal
Epoxy seal
L25
APEM
, 63 NECK ROAD, HAVERHILL, MA USA 01835 TOLL FREE: (877) 246-7890 FAX: (978) 372-3534 E-mail: info@apem.com
SPECIFICATIONS SUBJECT TO CHANGE WITHOUT NOTICE
300 & 400 SERIES - MINIATURE PUSHBUTTON SWITCHES
OPTIONS FOR SELECTIVE MODELS ONLY
Options V30
For models 301, 302
& 305 only
SPECIFICATIONS SUBJECT TO CHANGE WITHOUT NOTICE
Straight p.c. terminals w/bracket
MODEL NO.
301,305
302
*OPTION
V30
V30
DIM. A
.527
.527
DIM. B
.173
.150
DIM C.
.933
.910
DIM D.
.237
.125
* Options V31 with crimped leg design also available -
see prior page.
TO SPECIFY, ADD OPTION FROM BOX TO SWITCH MODEL
NO. - EXAMPLE: 302V31BE
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P.C. BOARD LAYOUT
Options V & V-1
Right angle terminals w/bracket
For models 301, 302, 305,
401 & 402 only
MODEL NO.
301, 305
301, 305
302
302
401, 402
401, 402
OPTION
V
V-1
V
V-1
V
V-1
DIM. A
.173
.173
.150
.150
.210
.210
DIM. B
.439
.439
.327
.327
.653
.653
DIM C.
.550
.550
.450
.450
.750
.750
DIM D.
.700
.650
.600
.550
.900
.850
TO SPECIFY, ADD OPTION FROM BOX TO SWITCH MODEL
NO. - EXAMPLE: 301V-1BE
Support Bracket is Brass, Solder Coated.
Available with
B, N,
or
T
Contact Materials.
(See pg. C29)
Supplied with Epoxy Sealed Terminals.
Note: Terminals are not fully bent, to facilitate spring retention in p.c. board.
P.C. BOARD LAYOUT
L26
APEM
, 63 NECK ROAD, HAVERHILL, MA USA 01835 TOLL FREE: (877) 246-7890 FAX: (978) 372-3534 E-mail: info@apem.com
300 & 400 SERIES - MINIATURE PUSHBUTTON SWITCHES
OPTIONS FOR SELECTIVE MODELS ONLY
Option T1
15/32" bushing mounts from front or rear of panel
For models 301, 303 & 305 only
MODEL NO.
301,305
A
.250
L
Threaded bushing: Brass, nickel plated
Actuator button: Nylon. Specify color - see order
format.
Supplied with 2 Hex Nuts, p/n A465 & 1
Lockwasher, p/n A466 (see Hardware section
of catalog).
Printed circuit or solder lug terminals available.
Option S
Long actuator
For models 301, 302, 305, 401 & 402 only
TO SPECIFY, ADD 'S' TO SWITCH MODEL
NO. - EXAMPLE: 301SCQE
Actuator: Nylon
Color: Black standard for 300 Series
White standard for 400 Series.
Other colors available - see options.
NOTE: When using sealing boot U5321 with 400
Series switches, add 'S1' to model number. This option
is not illustrated.
301 & 305
302
401 & 402
Additional ordering information:
Commonly ordered models are shown above and on prior pages with complete model numbers
and specifications. Below is an order format that enables you to 'build your own switch' and specify the correct switch model num-
ber by simply selecting from all available options shown and filling in the boxes.
'BUILD YOUR OWN SWITCH' ORDER FORMAT
Fill in boxes with selections shown for
Model Structure,
then add
Options
selections for complete model number.
Allowable options are shown below each respective box with brief description - see option dwgs. & info. following.
Notes: 'NONE' indicates box may be left empty. Not all combinations can be made - see other pages of Series.
Model Structure:
Series
Actuators
Bushings
Terminations
Contact materials
Sealing
E
3
3
3
3
4
4
0
0
0
0
0
0
1
2
5
6
1
2
(NONE)
S
Long (see
dwg. - specify
for all models
with bezels-
not available
for 306).
S 1
For
400 Series
switches used
with sealing
boot U5321
only.
(NONE)
T 1
15/32" thd'd.
(see dwg -
for 301,
303 & 305
only).
Z
Solder lug
C
Printed circuit
V
V
V
-
3
Right angle p.c. term-
1
inals for 301, 302, 305,
401 & 402 only (see dwg.).
0
Straight p.c. terminals
B
Gold
Q
Coin silver
(Not avail-
able with
303 & 304)
N
Economy
gold
T
Economy
silver
Epoxy
terminal
seal is
standard
Recognitions
Switch caps for switches without
bezels also available - see Hardware
section of catalog.
(NONE)
/UL
Example of completely specified
model number:
301SZQE/UL
Although most combinations of options are available, some may result in incompatibilities. Consult factory if there is any question.
APEM
, 63 NECK ROAD, HAVERHILL, MA USA 01835 TOLL FREE: (877) 246-7890 FAX: (978) 372-3534 E-mail: info@apem.com
L27
SPECIFICATIONS SUBJECT TO CHANGE WITHOUT NOTICE
TO SPECIFY, ADD 'T1' TO SWITCH MODEL
NO. - EXAMPLE: 301T1CQE6
300 & 400 SERIES - MINIATURE PUSHBUTTON SWITCHES
CONTACT MATERIAL OPTIONS
B
Q
SPECIFICATIONS SUBJECT TO CHANGE WITHOUT NOTICE
G
N
T
Dry circuit - gold over nickel over brass.
RATING: 0.4 Volt-Amps (VA) max. at 20 V max.
ELECTRIC LIFE: 250,000 cycles minimum.
Power circuit - coin silver.
RATING: 1 Amp at 120 VAC or 28 VDC or 0.5 Amps at 250 VAC. ELECTRIC LIFE: 250,000 cycles minimum at full load.
Also - 3 Amps at 120 VAC or 28 VDC or 1.5 Amps at 250 VAC. ELECTRIC LIFE: 10,000 cycles minimum at full load.
Dry circuit or power circuit - gold over nickel over coin silver
RATINGS & ELECTRIC LIFE: Same as B & Q above -i.e.- can be used in either dry circuit or power circuit, however once
used in power circuit, switch cannot be re-used in dry circuit. This option permits customers to inventory one switch to
satisfy either application,
Dry circuit - gold over nickel over coin silver.
RATING: 0.4 Volt-Amps (VA) max. at 20 V max. Note- less gold than B option.
ELECTRIC LIFE: 10,000 cycles min. at 13 cycles per minute.
Power circuit - Silver plate over brass.
RATING: 0.5 Amps at 120 VAC or 0.25 Amps at 250 VAC (resistive loads).
ELECTRIC LIFE: 10,000 cycles min. at 13 cycles per minute.
Solder dipped terminals and custom
contact plating available - contact factory.
L
UL OPTION
/UL
For power circuits - coin silver
RATING: 1.0 Amps at 125 VAC or 0.5 Amps at 250 VAC (75% power factor).
Underwriter Laboratories file no. E66367. Note - applicable only to terminations with coin silver contacts (Q or G options).
HARDWARE
HARDWARE SUPPLIED
(See Hardware section of catalog)
Panel mounted 300 Series switches with threaded 1/4" bushing are supplied with 1 Hex Nut A112 and 1 Lockwasher A115.
Panel mounted 300 Series switches with threaded 15/32" bushing are supplied with 2 Hex Nuts A465 and 1 Lockwasher A466.
Panel mounted 306 Series switches with threaded 5/16" bushing are supplied with 1 Hex Nut A713 and 1 Lockwasher A734.
Panel mounted 400 Series switches with threaded bushing are supplied with 1 Panel Dress Nut A274 and 1 Lockwasher A115.
PANEL CUT-OUTS
Accepts all 1/4" threaded bushings
Accepts all 15/32" threaded bushings
L28
APEM
, 63 NECK ROAD, HAVERHILL, MA USA 01835 TOLL FREE: (877) 246-7890 FAX: (978) 372-3534 E-mail: info@apem.com
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