Miniature toggle switches
ST series
Distinctive features and specifications
K
Dry circuit through power ratings.
numerous options.
K
Ultra-rugged construction SPDT & DPDT models with
K
PC and panel mount models.
ELECTRICAL SPECIFICATIONS
MATERIALS
A
• Max. current/voltage rating with resistive load :
- gold over nickel plated brass contacts : 0.4VA - 20V Max.
- coin silver contacts: 6A 125VAC, 3A 250VAC, 7A 30VDC
• Initial contact resistance: 3 milliohms max. at 3VDC, 0.1 Amp.
• Insulation resistance: 2,000 MΩ min. between terminals & case
ground.
• Dielectric strength: 2,000 VAC for 1 minute between terminals &
case ground.
• Electrical life: 100,000 cycles at full load for ST1-1 and ST2-1, all
other models 40,000 cycles
• Case : Diallyphthalate (DAP),
color blue
• Actuator : Brass, bright nickel or
chrome plated.
• Bushing: nickel plated brass
• Strap: stainless steel
• Contacts
B:
Gold
Q:
Coin silver
G:
Gold over silver
• Terminal seal: epoxy
•Operating temperature : -30°C to +85°C
GENERAL SPECIFICATIONS
AGENCY APPROVAL
:
Marking:
To order switches
marked UL use “UL” prefix for
series designation. For CSA
marking, complete appropriate
box on ordering format.
Availability:
All models with
coin silver contacts (Q) only.
APEM
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ST series
Overview
Miniature toggle switches
E
SERIES
Actuators
Terminations
Sealing
ST1-
Single Pole
UL1
S.P. UL Model
K
A
ST2-
Double Pole
F1
Flatted
Standard
UL2
D.P. UL Model
F3
Sm Flatted
T4
Long round
Z
Solder lug
C
Printed circuit board
V30
Straight w/bracket,
non-crimped
V31
Straight w/bracket,
crimped
E
Epoxy
1
6
2
Electrical Functions
ON
ON
NONE
ON
OFF
ON
ON
ON
L
M
H
Y
Splashproof 1/4” thd’d.
Long 1/4” thd’d.
Standard 1/4” thd’d.
Bushing
B
Q
Coin Silver
Gold
Contact Material
L
FUNCTION 6: DOUBLE POLE ONLY
ON
M4
15/32” thd’d.
G
Gold over Silver
Agency approval
(Q contact material only)
Note: for UL, Select UL1 or UL2
series above
ABOUT THIS SERIES
On the following pages, you will find successively :
- model structure of switches
- options in the same order as in above chart
/CSA
No approval
CSA Approval
Dimensions
: first dimensions are in mm while inches are shown as bracketed numbers.
Sealing boots
are available to protect the switches against dust and water. They are presented in section H
Mounting accessories
: standard hardware supplied with all models with Ø 6,35 (1/4) threaded bushing :
2 - 5/16” hex nuts , 1 locking ring and 1 lockwasher.
Standard and special hardware available are presented in section I.
Packaging unit
: 25 pieces for double pole
50 pieces for single pole
NOTICE
: please note that not all combinations of above numbers are available. Refer to the following pages for
further information.
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APEM
ST series
Miniature toggle switches
Terminations:
•
Solder lug or straight PC
terminals
•
Epoxy sealed terminals
standard
3.20
(.126)
5.66
(.223)
Z
1
2
3
1.14
(.045)
C
1.63
(.064)
4.82
(.190)
1.27
(.050)
2.36
(.093)
A
Single pole panel mount with solder lug terminals
©
Keyway
Ø2.92
(Ø.115)
1/4 -40 UNS-2A
MODEL NO.
UL NO.
1-2
ON
ON
I
II
2-3
ON
ON
4.70
(.185)
3
2
1
I
II 25°
III
III
KEYWAY
1.02 X 0.71
(.040 X .028)
1.50
(.059)
6.32
(.249)
7.57
(.298)
ST1-1KMZQE
ST1-2KMZQE
UL11KMZQE
UL12KMZQE
-
OFF
APEM
2.36
(.093)
10.39
(.409)
7.04
(.277)
10.50
(.413)
5.66
(.223)
Double pole panel mount with solder lug terminals
©
Keyway
MODEL NO.
UL NO.
I
II
III
Ø2.92
(Ø.115)
1/4 -40 UNS-2A
2.36
(.093)
ST2-1KMZQE UL21KMZQE
ST2-2KMZQE UL22KMZQE
ST2-6KMZQE UL26KMZQE
ON
ON
ON
1-2
4-5
1-2
5-6
-
OFF
ON
ON
ON
ON
4.70
(.185)
2-3
5-6
KEYWAY
1.02 X 0.71
(.040 X .028)
5.35
(.210)
3
2
1
1.14
(.045)
6
5
4
I
APEM
1.50
(.059)
6.32
(.249)
0.79
(.031)
12.73
(.501)
13.06
(.514)
III
10.39
(.409)
7.04
(.277)
10.57 5.66
(.416) (.223)
Single pole straight PC terminals
MODEL NO.
UL NO.
I
II
III
©
Keyway
Ø2.92
(Ø.115)
0.79
(.031)
II 25°
1/4 -40 UNS-2A
9.40
(.370)
1-2
ON
ON
2-3
ON
ON
4.70
(.185)
KEYWAY
1.02 X 0.71
(.040 X .028)
1.50
(.059)
3
2
1
I
APEM
Ø1.78
(Ø.070)
4.70
(.185)
7.57
(.298)
ST1-1KMCBE
ST1-2KMCBE
UL11KMCQE
UL12KMCQE
-
OFF
III
10.39
(.409)
7.04
(.277)
10.50
(.413)
6.43
(.253)
APEM
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0.81
(.032)
II 25°
13.06
(.514)
13.06
(.514)
Miniature toggle switches
Double pole straight PC terminals
MODEL NO.
UL NO.
1-2
4-5
I
1-2
5-6
-
OFF
ON
II
2-3
5-6
III
ST series
4.70
(.185)
©
Keyway
Ø2.92
(Ø.115)
1/4 -40 UNS-2A
ST2-1KMCBE UL21KMCQE
ST2-2KMCBE UL22KMCQE
ST2-6KMCBE UL26KMCQE
ON
ON
ON
ON
ON
ON
3
2
1
KEYWAY
1.02 X 0.71
(.040 X .028)
5.35
(.210)
6
5
4
1.14
(.045)
I
1.50
(.059)
5.35
(.210)
Ø1.78
(Ø.070)
9.40
(.370)
12.73
(.501)
A
III
10.39
(.409)
7.04
(.277)
10.57 6.43
(.416) (.253)
Single pole panel mount flatted actuator
MODEL NO.
UL NO.
1-2
ON
ON
I
1-2
-
OFF
II
2-3
ON
4.70
(.185)
©
Keyway
Ø4.98
(Ø.196)
1/4 -40 UNS-2A
III
KEYWAY
1.02 X 0.71
(.040 X .028)
1.50
(.059)
3
2
1
I
II 25°
III
APEM
ST1-1F1MZQE UL11F1MZQE
ST1-2F1MZQE UL12F1MZQE
2.36
(.093)
6.32
(.249)
7.57
(.298)
11.25
(.443)
7.04
(.277)
10.50
(.413)
5.66
(.223)
Double pole panel mount flatted actuator
MODEL NO.
UL NO.
I
II
III
©
Keyway
1-2
5-6
-
OFF
ON
2-3
5-6
Ø4.98
(Ø.196)
1/4 -40 UNS-2A
2.36
(.093)
ST2-1F1MZQE UL21F1MZQE
ST2-2F1MZQE UL22F1MZQE
ST2-6F1MZQE UL26F1MZQE
ON
ON
ON
1-2
4-5
ON
4.70
(.185)
KEYWAY
1.02 X 0.71
(.040 X .028)
5.35
(.210)
3
2
1
1.14
(.045)
6
5
4
I
II 25°
III
APEM
1.50
(.059)
6.32
(.249)
0.79
(.031)
ON
7.04
(.277)
10.57 5.66
(.416) (.223)
Single pole panel mount with splashproof bushing
©
“D” flat
Ø2.92
(Ø.115)
1/4 -40 UNS-2A
2.36
(.093)
MODEL NO.
UL NO.
1-2
ON
ON
I
II
2-3
ON
4.70
(.185)
III
ST1-1KHZQE
ST1-2KHZQE
UL11KHZQE
UL12KHZQE
-
OFF
1.50
(.059)
3
2
1
I
II 25°
III
6.32
(.249)
0.79
(.031)
10.50
(.413)
5.66
(.223)
Ø11.81
(Ø.465)
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APEM
13.06
(.514)
APEM
ON
0.79
(.031)
13.06
(.514)
ON
12.73
(.501)
7.57
(.298)
13.06
(.514)
ON
0.81
(.032)
II 25°
APEM
13.06
(.514)
Miniature toggle switches
Double pole panel mount with splashproof bushing
©
“D” flat
MODEL NO.
UL NO.
1-2
4-5
I
1-2
5-6
-
OFF
ON
II
2-3
5-6
III
Ø2.92
(Ø.115)
ST series
1/4 -40 UNS-2A
2.36
(.093)
ST2-1KHZQE
ST2-2KHZQE
ST2-6KHZQE
UL21KHZQE
UL22KHZQE
UL26KHZQE
ON
ON
ON
ON
ON
ON
4.70
(.185)
3
2
1
5.35
(.210)
6
5
4
1.14
(.045)
I
II 25°
III
1.50
(.059)
6.32
(.249)
12.73
(.501)
0.79
(.031)
13.06
(.514)
Ø11.81
(Ø.465)
APEM
11.23
(.442)
7.38
(.290)
10.57
(.416)
5.66
(.223)
A
F1
2.49
(.098)
4.98
(.196)
F3
2.49
(.098)
Actuator
K
T4
Ø2.92
(Ø.115)
6.09
(.240)
Ø4.98
(Ø.196)
C
C
Flatted
PIN
Short flatted
PIN
Round
C
Long round
H
GASKET
SEAT
1/4-40 UNS
11.81
(.465)
M
1.02
(.040)
Bushing options
1/4-40 UNS
7.37
(.290)
Y
1/4-40 UNS
7.37
(.290)
M4
15/32-32 NS-2
1.78
(.070)
1.02
(.040)
0.71
(.028)
5.77
(.227)
7.38
(.291)
0.71
(.028)
Ø.327
Ø.320
0.97
(.038)
8.38
(.330)
11.38
(.448)
7.04
(.277)
1.49
(.059)
1.49
(.059)
.98
(.039)
Splashproof
Bushing
Option
M
M4
APEM
Threaded
Bushing Dims.
Long threaded
15/32” threaded
Actuator length Dim C
N/A
N/A
N/A
F3
10.41 (.410)
10.41 (.410)
10.41 (.410)
N/A
K
H
Y
7.37 (.290) 1.52 (.060)
8.38 (.330) 1.02 (.040)
-
Dim A
Dim B
7.04 (.277) 1.52 (.060) 11.43 (.450)
11.38 (.448)
N/A
N/A
N/A
F1
C
6.35 (.250)
N/A
N/A
17.45 (.687)
N/A
T4
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