21000N series
Low profile toggle switches
Distinctive features and specifications
UG1006-A
❑
Available with threaded or plain bushing, both with
mounting plate
❑
Low profile - same height for single and double pole
❑
Wave solderable only
A
ELECTRICAL SPECIFICATIONS
• Max. current/voltage rating with resistive load :
- silver contacts (A) : 2A 250VAC - 4A 125VAC - 4A 30VDC
- gold plated brass contacts (LD) : 100mA 30VDC
• Minimum load :
- silver contacts (A) : 100mA 10V
- gold plated brass contacts (LD) : 10μA 5VDC - 10mA 50mV
• Initial contact resistance : 20 mΩ max.
• Insulation resistance : 1.000 MΩ min. at 500VDC
• Dielectric strength :
1.000 Vrms 50 Hz min. between terminals
2.000 Vrms 50 Hz min. between poles
2.000 Vrms 50 Hz min. between terminals and frame
• Electrical life at full load :
- silver contacts (A) : 20.000 cycles
- gold plated brass contacts (LD) : 50.000 cycles
• Low level or mechanical life : 100.000 cycles
MATERIALS
GENERAL SPECIFICATIONS
• Case and cover : PBT
• Actuator : brass, nickel plated
• Bushing : brass, nickel plated
• Contacts
A
: silver
LD
: brass, gold plated
• Operating temperature : -40°C to +85°C
APEM
www.apem.com
A-55
21000N series
Low profile toggle switches
Overview
21
N
SERIES
Terminals and bushings
1
2
Straight PC terminals,
threaded bushing
Straight PC terminals,
plain bushing
Number of poles
3
4
Single pole
Double pole
6
9
7
8
2
Electrical functions
ON
ON
MOM
ON
ON
-
OFF
OFF
OFF
-
ON
ON
MOM
MOM
MOM
Version
N
For all models.
A
Contact materials
A
LD
Silver
Brass, gold plated
Finish
Blank
Bright chrome
finish
G
Matt black finish on
bushing, actuator and
hardware.
Sealing
Blank
Epoxy sealed
terminals standard
K
Sealing by O-ring
ABOUT THIS SERIES
On the following pages, you will find successively :
- model structure of switches
- options in the same order as in above chart
Dimensions
: first dimensions are in mm while inches are shown as bracketted numbers.
Mounting accessories
: standard hardware supplied with all models with threaded bushing : 2 hex nuts 8 mm (.314) across flats.
Standard and special hardware available are presented in section I.
Packaging unit
: 50 pieces for SP models, 25 pieces for DP.
A-56
www.apem.com
APEM
21000N series
Low profile toggle switches
•
Epoxy sealed terminals standard
• 1 and 2 pole configurations
A
MODEL
STRUCTURE
11.00
(.433)
II
3.60
(.141)
Ø6.35-40UNS
(1/4-40UNS)
10.16
(.400)
5.08
(.200)
Threaded bushing - double pole
III
2-3
5-6
21146N
21149N
21147N
21148N
21142N
II
I
1-2
4-5
I
7.00
(.275)
17.00
(.669)
2.54
(.100)
11.30
(.444)
0.50
(.019)
21.00
(.826)
10.16
(.400)
Ø1.10
(.043 DIA)
10.16
(.400)
11.00
(.433)
0.60
(.023)
10.16
(.400)
Ø1.10
(.043 DIA)
10.16
(.400)
5.08
(.200)
2.54
(.100)
0.50
(.019)
11.30
(.444)
2.54
(.100)
5.08
(.200)
0.60
(.023)
10.16
(.400)
3.60
(.141)
10.16
(.400)
II
III
22˚
ON
-
ON
ON OFF ON
MOM OFF MOM
ON OFF MOM
ON
- MOM
11.50
(.452)
6.75
(.265)
EPOXY
Ø6.35-40UNS
(1/4-40UNS)
10.16
(.400)
Ø3.00
(.118 DIA)
0.60
(.023)
5.08
(.200)
Plain bushing - single pole
II
22˚
7.00
(.275)
17.00
(.669)
Ø6.25
(.246 DIA)
10.16
(.400)
0.60
(.023)
5.08
(.200)
APEM
www.apem.com
3.60
(.141)
21236N
21239N
21237N
21238N
21232N
ON
-
ON
ON OFF ON
MOM OFF MOM
ON OFF MOM
ON
- MOM
III
11.50
(.452)
EPOXY
Ø3.00
(.118 DIA)
6.75
(.265)
A-57
10.16
(.400)
III
2-3
II
I
1-2
I
5.08
(.200)
5.08
(.200)
0.60
(.023)
2.54
(.100)
10.16
(.400)
21136N
21139N
21137N
21138N
21132N
ON
-
ON
ON OFF ON
MOM OFF MOM
ON OFF MOM
ON
- MOM
EPOXY
Ø3.00
(.118 DIA)
6.75
(.265)
Ø1.10
(.043 DIA)
0.50
(.019)
III
11.50
(.452)
10.16
(.400)
10.16
(.400)
22˚
III
2-3
I
2.54
(.100)
II
I
1-2
0.60
(.023)
Threaded bushing - single pole
7.00
(.275)
17.00
(.669)
11.30
(.444)
21000N series
Low profile toggle switches
Plain bushing - double pole
III
2-3
5-6
21246N
21249N
21247N
21248N
21242N
II
I
1-2
4-5
I
21.00
(.826)
II
III
10.16
(.400)
10.16
(.400)
10.16
(.400)
3.60
(.141)
Ø1.10
(.043 DIA)
10.16
(.400)
II
1.2
3
4
5
6
6
4.5
5
2
3.00Maxi
(.118MAX)
5.08
(.200)
1
3
4
6
I
5.08
(.200)
22˚
7.00
(.275)
17.00
(.669)
2.54
(.100)
11.30
(.444)
0.50
(.019)
A
ON
-
ON
ON OFF ON
MOM OFF MOM
ON OFF MOM
ON
- MOM
Ø3.00
(.118 DIA)
6.75
(.265)
EPOXY
Ø6.25
(.246 DIA)
10.16
(.400)
0.60
(.023)
5.08
(.200)
PANEL CUT
-
OUT
PCB MOUNTING
4.10
(.161)
Ø6.50
(.255 DIA)
POSITIONS AND CONNECTIONS
1
III
2
7.80
(.307)
1
Bottom view
2.3
2
3
4
5.6
5
Function 6
Function 9
Function 7
Function 8
Function 2
ON
ON
MOM
ON
ON
-
OFF
OFF
OFF
-
ON
ON
MOM
MOM
MOM
A-58
www.apem.com
0.60
(.023)
11.50
(.452)
APEM
21000N series
Low profile toggle switches
CONTACT MATERIALS
A
LD
Silver
Brass, gold plated
A
FINISH
Blank
G
Bright chrome finish on actuator, nickel plating for bushing and hardware.
Matt black finish on bushing, actuator and hardware
SEALING
Epoxy sealed terminals are standard.
Blank
No sealing except standard.
1
K
➀
O-ring
APEM
www.apem.com
2.8 Maxi
(.110 MAX)
Bushing internally sealed by one O-ring (version without washer U360).
Protects the switch against water and dust.
A-59
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