Multimec® 5 series switches
normally closed/normally open function
Normally closed/normally open (NC/
NO) function to the Multimec® 5 series
switches means that contact is established
when not activated. When the switch is
activated it breaks the contact and makes
a new contact.
The switch has three functions:
• NC (makes)
• NO (brakes)
• NC/NO (switch over, also known as
SPDT - single pole double throw).
Application - NURSE CALL SYSTEM
The advantage of using the NC/NO func-
tion switch is that the system all the time
”knows” that the connection to the nurse
call system is still in place and working.
Application - PUSH-TO-TALK HEADSET
NC/NO function switch simplifies the
change between a speaker (headset) and
microphone unit. The headset is working
when switch is not activated and when
pressing the switch, one breaks the signal
and the microphone turns on.
MEC.DK
multimec®
5 series switches
6,4
4
0,3
Min 10,16
Max 12,5
0,8
7,62
5E/5G normally closed/normally open function
■ Through-hole (TH) or surface mount (SMD)
0,8
7,62
■ 50mA/24VDC
14
■ Single pole/momentary
■ 1,000,000 operations lifetime
■ Temperature range: -40/+160°C
0,8
10
7,62
14
■ IP 67 sealing
7,62
0,8
7,62
■
14
Actuation force: 3.5N
Min 10,16
Max 12,5
■ Available for 5E and non-illuminated 5G in all standard actuation forces.
■ Has the same PCB layout as the NO 5E and 5G
10
■ The housing of a NC/NO function switch is grey
10
6,4
0,3
0,3
0,3
6,4
10
6,4
10
Min 10,16
0,8
Max 12,5
7,62
6,4
0,3
0,8
4
6,4
10
0,3
10
10
10
THROUGH-HOLE (TH)
5G
6,4
SURFACE MOUNT (SMD)
5G
5E
5E
6,4
6,4
6,4
10
All dimensions in mm
10
10
4
4
4
0,8
7,62
0,8
Min 10,16
7,62
Max 12,5
0,3
0,8
14
7,62
0,3
0,8
7,62
14
Min 10,16
Max 12,5
6,4
4
6,4
6,4
6,4
6,4
0,3
4
6,4
0,8
Min 10,16
12,5
Max 12,5
Min 10,16
7,62
Max 12,5
10
10
4
10
10
10
0,3
Min 10,16
7,62
0,8
Max 12,5
14
7,62
0,3
7,62
0,8
7,62
7,62
0,3
0,8
0,3
7,62
0,8
14
7,62
4
6,4
0,8
6,4
10
10
10
0,8
14
0,8
10
14
7,62
10
10
10
10
10
Min 10,16
Max 12,5
1,2
10
10
10
2,5
10
10
10
10
10
PCB LAYOUT
TH
10,16
10
CIRCUIT DIAGRAM
SMD
12,5
6,4
non-activated
activated
7,62
7,62
0,8
3
1,2
Min 10,16
Max 12,5
2,54
7,62
0,8
7,62
4
2
0,3
3
1
6,4
10
14
4
2,54
6,4
6,4
2,5
1
0,8
HOW TO ORDER
7,62
6,4
4
0,8
Ø
0,9
10
Min 10,16
0,8
10,16
Max 12,5
7,62
10
Switch
5 E
5 G
10
Min 10,16
Mounting
Max 12,5
Actuation force
7,62
10
Function
2,54
10
10
7,62
14
0,8
NOT FOR SALE IN JAPAN
7,62
10
14
4
6,4
10
3 5
10
10
TH9
through-hole
SH9
surface mount
3.5N
2,54
NCNO
normally closed/normally open
10
Ø
0,9
Ordering example: 5ETH935NCNO, 5GSH935NCNO
Please see colour codes, updates of products and changes of specifications on www.mec.dk
10
0,3
0,3
0,3
0,3
4
2
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