SMS
Flame Retardant
Compliant to railway standards Tested according to NFF61030
3
3
Compact design
& up to 36 contacts
Ideal for tight space integration & high density
contact applications
Standardization oriented Compatible with standard AWG16 contacts
3
3500 mating / unmating
Excellent durability
A wide range available Plug & receptacle with or without hood
Panel mount receptacle
PCB receptacle
3
The plastic rectangular solution
offering an excellent fire & smoke resistance for indoor applications.
Fire & Smoke Resistant Connector
2
SOURIAU on the railway market
The SOURIAU solution offers a wide range
of connector layouts providing a simplified
process from purchasing to harnessing:
1 type of contact to order, to manage,
to stock, to crimp for a wide range of
connectors.
SOURIAU’s standardisation policy is the
best compromise between technology and
cost.
SOURIAU connectors ensure the continuity
of the network with railway qualified
connectors integrating new technologies:
copper contacts, Quadrax and fibre optics
to transfer high speed Ethernet and other
data protocols.
SOURIAU, along with its customers is
committed to the research of energy
efficiency and sustainability.
The use of lightweight materials, fiber optics
and high contact density contribute to the
weight reduction of train equipments and
help railway operators to save energy.
3
Railway
SMS / Flame Retardant
Contact layouts
6 contacts AWG 16 9 contacts AWG 16
12 contacts AWG 16 15 contacts AWG 16 18 contacts AWG 16 24 contacts AWG 16 36 contacts AWG 16
2 contacts AWG 16 3 contacts AWG 16 4 contacts AWG 16
Ordering information
Connector family SMS
SMS
4
36
PDH3
RD3
Number of contacts:
2, 3, 4, 6, 9, 12, 15, 18, 24, 36
Design variation
PDH3
RDH3
PD3
RD3
R3
GE33
GE43
GE53
GE63
Flame Retardant plug with integrated strain relief hood
Flame Retardant receptacle with integrated strain relief hood
Flame Retardant plug without strain relief hood
Flame Retardant receptacle without strain relief hood
Flame Retardant panel mount receptacle
Straight boardmount with female PCB contacts
Straight boardmount with male PCB contacts
Right angle boardmount with female PCB contacts
Right angle boardmount with male PCB contacts
Contacts to be
ordered separately
PCB contacts
included
Technical features
• Insulatingmaterial:Polyamid
• Endurance:500mating/unmating
• Colour:grey
black - Boardmount versions
• PCBcontacts(forSMSGE33,43,53,63):
Min.0.4μgoldallover,overnickel
• Keyingsystem:byusingdiscriminationcavities
(notavailableforalllayouts,pleasecheckinthe
followingtables)
• Currentratingpercontact:13Amps
• Insulationresistance:5000MΩ
• Withstandingvoltage:2550Vac
• Operatingvoltage:220V(accordingtoEN50-124)
• Operatingtemperature:-40°Cto+105°C
• Sealing(matedconditions):IP40
• Flammabilityrating:
.I3F2according
toNFF16101/16102standards
.PCBversion:I2F3accordingto
NFF16101/16102standards
4
Railway
SMS / Flame Retardant
Note : all dimensions are in mmIt is recommended to use unirap cable tie (not delivered by Souriau)
Receptacle with integrated strain relief hood (Deliveredwithoutcontacts)
Receptacle
Part numbers Number of
contact cavities
Number of
discrimination cavities A B C D E F G H Cable
range
SMS2RDH3 20 31.6
9.9
64.8 11.1 0.5 7. 4 8.4
49.2
0.5-8.4
SMS3RDH3 3 0 35.1 69.0 16.2 0.8 4.1 7. 3 0.8-7.3
SMS4RDH3 4038.2 74.4 21.2 1.5 5.4 10.0 1.5 - 10.0
SMS6RDH3 62 34.6 15.0 72.6
16.2
1.7 6.8 9.2 50.9 1.7-9.2
SMS9RDH3 94 35.8 20.0 75.3 3.9 9.3 12.3 52.2 3.9-14.3
SMS12RDH3 12 638.1 25.1 72.0 4.0 10.0 15.0 52.7 4.0-15.0
SMS15RDH3 15 835.9 30.2 81.3 5.0 11.0 16.2 55.2 5.0-16.2
SMS18RDH3 18 10 36.1 35.3 5.8 12.5 20.3 5.8-20.3
SMS24RDH3 24 15 39.7 90.4 21.2 7. 1 12.4 20.4 57. 2 7.1-20.4
SMS36RDH3 36 24 54.6 25.1 128.0 46.6 8.8 13.0 24.5 63.3 8.8-24.5
Contact cavity
Discrimination cavity
A
25.0
B
Ø3.60
Ø3.30+0
-0.03
Contact cavity
Discrimination cavity
C
EF G
D
H
Receptacle without strain relief hood (Deliveredwithoutcontacts)
Part numbers Number of
contact cavities
Number of
discrimination cavities A B C D E
SMS2RD3 20
25.0
9.9 8.4 11.1 14.1
SMS3RD3 3 0 9.9 8.4 16.2 18.6
SMS4RD3 409.9 8.4 21.2 23.7
SMS6RD3 6215.0 13.4 16.2 18.6
SMS9RD3 94 20.0 18.5 16.2 18.6
SMS12RD3 12 625.1 23.6 16.2 18.6
SMS15RD3 15 8 30.2 28.7 16.2 18.6
SMS18RD3 18 10 35.3 33.8 16.2 18.6
SMS24RD3 24 15 35.3 33.8 21.2 23.7
SMS36RD3 36 24 25.1 23.6 46.6 49.1
Contact cavity
Discrimination cavity
B
Ø3.60
Ø3.30+0
-0.03
Contact cavity
Discrimination cavity
C
E
D
A
32.9
5
Railway
SMS / Flame Retardant
Panel mount receptacle (Deliveredwithoutcontacts)
Part numbers Number of
contact cavities
Number of
discrimination cavities A B C max. J±0.13 K±0.13
SMS2R3 20 11.0
5.8 15.2
11.4
11.6
SMS3R3 3 0 16.2 16.5
SMS4R3 4021.2 21.7
SMS6R3 6 0
16.2
10.9 20.3 16.5 16.7
SMS9R3 9 0 16.0 25.4 21.6
SMS12R3 12 021.1 30.5
16.7
26.7
SMS15R3 15 026.2 35.6 31.8
SMS18R3 18 031.2 40.6 36.9
SMS24R3 24 021.2 21.7
SMS36R3 36 0 46.6 21.1 30.5 47. 1 26.7
PANEL CUT OUT
25.0
13.2
B
C max.
A J ±0.13
0.75
2.3
K±0.13
Note : all dimensions are in mmIt is recommended to use unirap cable tie (not delivered by Souriau)
Receptacle
6
Railway
SMS / Flame Retardant
Note : all dimensions are in mmIt is recommended to use unirap cable tie (not delivered by Souriau)
Plug without strain relief hood (Deliveredwithoutcontacts)
Part numbers Number of
contact cavities
Number of
discrimination cavities A B C D
SMS2PD3 20
32.7
16.4 8.4 14.1
SMS3PD3 3 0 16.4 8.4 18.6
SMS4PD3 4016.4 8.4 23.7
SMS6PD3 62 21.5 13.4 18.6
SMS9PD3 94 26.7 18.5 18.6
SMS12PD3 12 6 31.7 23.6 18.6
SMS15PD3 15 836.7 28.7 18.6
SMS18PD3 18 10 41.8 33.8 18.6
SMS24PD3 24 15 41.8 33.8 23.7
SMS36PD3 36 24 31.7 23.6 49.1
Contact cavity
Discrimination cavity
B
Ø3.60
Ø3.30+ 0 
-0.03
Contact cavity
Discrimination cavity
D
A
Plug with integrated strain relief hood (Deliveredwithoutcontacts)
Part numbers Number of
contact cavities
Number of
discrimination cavities A B C D E F G H I Cable
range
SMS2PDH3 20 39.5
16.4
64.8 14.1 0.5 7. 4 8.4
57. 1 49.2
0.5-8.4
SMS3PDH3 3 0 43.0 69.0 18.6 0.8 4.1 7. 3 0.8-7.3
SMS4PDH3 4046.1 74.4 23.7 1.5 5.4 10.0 1.5 - 10.0
SMS6PDH3 62 42.5 21.5 72.6
18.6
1.7 6.8 9.2 58.8 50.9 1.7-9.2
SMS9PDH3 94 43.7 26.7 75.3 3.9 9.3 12.3 60.1 52.2 3.9-14.3
SMS12PDH3 12 646.0 31.7 72.0 4.0 10.0 15.0 60.6 52.7 4.0-15.0
SMS15PDH3 15 8 43.8 36.7 81.3 5.0 11.0 16.2 63.1 55.2 5.0-16.2
SMS18PDH3 18 10 44.0 41.8 5.8 12.5 20.3 5.8-20.3
SMS24PDH3 24 15 4 7. 6 90.4 23.7 7. 1 12.4 20.4 65.1 57. 2 7.1-20.4
SMS36PDH3 36 24 62.5 31.7 128.0 49.1 8.8 13.0 24.5 71.2 63.3 8.8-24.5
Contact cavity
A
32.9
B
Discrimination cavity
Ø3.60
Ø3.30+0
-0.03
Contact cavity
Discrimination cavity
C
EF G
D
H
I
Plug
C
32.9
7
Railway
SMS / Flame Retardant
Note : all dimensions are in mm
PCB receptacle
Contacts
(included) Part numbers Number of
contact cavities
Number of
discrimination cavities A B C D E
Female
contacts
SMS3GE33 3 0
16.2
14
10.2
13.4
5.9
SMS6GE33 6 0 19.2 10.9
SMS9GE33 94 24.2 16
SMS12GE33 12 029.2 21.1
SMS15GE33 15 834.3 26.1
SMS18GE33 18 10 39.4 31.2
SMS24GE33 24 021.2 39.4 15.2 31.2
SMS36GE33 36 0 46.5 15.2 54.6 20.9
Contacts
(included) Part numbers Number of
contact cavities
Number of
discrimination cavities A B C D E
Male
contacts
SMS3GE43 3 0
16.2
14
10.2
13.4
5.9
SMS6GE43 6 0 19.2 10.9
SMS9GE43 94 24.2 16
SMS12GE43 12 029.2 21.1
SMS15GE43 15 8 34.3 26.1
SMS18GE43 18 10 39.4 31.2
SMS24GE43 24 021.2 39.4 15.2 31.2
SMS36GE43 36 0 46.5 15.2 54.6 20.9
Straight boardmount receptacledeliveredwithfemalePCBcontacts(SMSGE33)
Straight boardmount receptacledeliveredwithmalePCBcontacts(SMSGE43)
7. 0
B
E3.45±0.35
D
2.4
A
Ø0.8
5.9
C
5.08
5.08
Ø3.5
A
7. 0
B
E
3.45±0.35
D
2.4
A
Ø0.8
5.9
C
5.08
5.08
Ø3.5
7. 0 ±0.35
8
Railway
SMS / Flame Retardant
Contacts
(included) Part numbers
Number of
contact
cavities
Number of
discrimination
cavities
A B C D E F G
Female
contacts
SMS3GE53 3 0 16.5
14.4
20.5
30.2 24.2 16.2
6.8
SMS6GE53 6 0 19 24.5 11.9
SMS12GE53 12 6
21.6 29.5
35.2 29.2 21.2
17 . 2
SMS18GE53 18 10 45.4 39.4 31.2
Right angle boardmount receptacledeliveredwithfemalePCBcontacts(SMSGE53)
Ø3.4
F
E
D
A
B
C
G
4.5
2.5
3x5.08
16.55.08Ø0.8
Contacts
(included) Part numbers
Number of
contact
cavities
Number of
discrimination
cavities
A B C D E F G
Male
contacts
SMS3GE63 3 0 16.5
14.4
20.5
30.2 24.2 16.2
6.8
SMS6GE63 6 0 19 24.5 11.9
SMS12GE63 12 6
21.6 29.5
35.2 29.2 21.2
17 . 2
SMS18GE63 18 10 45.4 39.4 31.2
Right angle boardmount receptacledeliveredwithmalePCBcontacts(SMSGE63)
Ø3.4
F
E
D
A
B
C
G
4.5
2.5
3x5.08
16.55.08Ø0.8
7. 0 ±0.35
Note : all dimensions are in mm
PCB receptacle
Forfurtherinformation,clickherewww.railway-connectors.com
Or contact us click here contactindustry@souriau.com
WINDSMSFRP00102EN©CopyrightSOURIAUAugust2010-Allinformationinthisdocumentpresentsonlygeneralparticularsandshallnotformpartofanycontract.AllrightsreservedtoSOURIAUforchangeswithoutpriornoticationorpublicannouncement.Anyduplicationisprohibited,unlessapprovedinwriting.
Discrimination cavity
Discrimination cavity