77
High performance
Low profile rectangular
MSG connector
MSG Series connectors is a 50 and 59
position low profile, compact design
rectangular I/O connector.MSG has been
designed to fit 19 inch Euro-rack system
which are widely used in a industrial and
railway market. There are boardmount
version and panel-mount version. PCB
mount version is applicable to PCB wiring
pattern for 100V. Some accessories like
discrimination keys or dust caps are
available.
Performance characteristics
Operating temperature：−55℃〜＋85℃
Current rating： 13A（Panelmount）、
7.5A（PCB mount）
Contact resistance：15mΩ max.
Insuration resisance：5000MΩ min.
Test potential： A.C.2000V（1 minute）
Durability：500 mating and unmating
Vibration： JIS-C-0040
Vibration/Shock： JIS-E-4031　class B
Salt Spray： JIS-C 0023
Humidity resistance：JIS-C 0028
Construction
Insert： Glass filled thermoplastic UL94V-0
Contact（PCB）： Brass（Active part：Gold plating over nickel, Crimp part：solder plating）
Skirt/Hood： Steel（nickel plating）
Guiding pin/Guiding socket：Stainless steel
Lever (plug)： Stainless steel
Part Numbers:
Part Number Description
MSG59P-L11 59 pins plug, upper cable direction
MSG59P-L21 59 pins plug, down cable direction
MSG59RP-L110 59 pins panel-mount receptacle
MSG59RP-L111 59 pins straight boardmount receptacle
MSG59RR-L111 59 pins right-angle boardmount receptacle without flange
MSG59RF-L111 59 pins right-angle boardmount receptacle with flange
MSG50P-L13 50 pins plug, upper cable direction
MSG50P-L23 50 pins plug, down cable direction
MSG50RF-L111 50 pins right-angle boardmount receptacle with flange, upper cable direction
MSG50RF-L121 50 pins right-angle boardmount receptacle with flange, down cable direction
MSG
Front I/O Connector
Cable Direction: Upper Type Cable Direction: Down Type
78
Plug, upper cable direction（MSG59P-L11）
1234
(49°)
Pos.No1.
Pos.No.21
Pos.No.40
99.13
(84.1)
62
(81.6)
72.39
3.81
3.3
15.66
16.46
13
41.7
Whenpolarizingplateisattached
18.36
Panel-mount receptacle（MSG59RP-L110）
2-φ4.5
Pos.No.40
Pos.No.21
Pos.No.1
34 12
A
ViewA
Whenpolarizingscrewisattached.
Pos.No.59
Pos.No.39
Pos.No.20
1
18.3
(30.68)
19
120
110
1.905
77.23
83.73
95.48
3.81
72.39
14.06
18.92
1111
3.3
3.3
16.5
max.
φ6.5
MSG
Front I/O Connector
79
Right-angle PCB receptacle without flange（MSG59RR-L111）
Pos.No.40
Pos.No.21
Pos.No.1
34 12
A
ViewA
Whenpolarizingscrewisattached.
2-φ2.8
59
16.5
max.
95.48
40.69
18.3
3.81
72.39
14.06
18.92
2.54
2.54
φ0.8
5.08
27.9
2.912
3.3
3.3
94.6
87.36
9.6
3.45
φ6.5
Right-agle PCB receptacle with flange（MSG59RF-L111）
59
4-φ2.8
A
Pos.No.1
Pos.No.21
Pos.No.40
2-φ2.8
34 12
ViewA
Whenpolarizingscrewisattached
105.7
95.48
3.3
3.3 18.3
40.69
113.7
105.7
87.36
5.24
1.8
12 2.9
18.92
14.06
27.9
5.08
2.54 2.54
φ0.8
11.54
3.45
16.5
max.
72.39
3.81
φ6.5
MSG
Front I/O Connector
80
Recommended drilling hole pattern（MSG59RR-L_, MSG59RF-L_）
forMSG59RF-L（Receptaclewithflange）
HolePattern(Componentside)
Thickness：1.6±0.2
＋0.1
 0
φ1
2-φ2.8
(9.17)
9max. 5.08 ±0.1
105.7 ±0.08
(7.485)
1.905 ±0.05
3.81 ±0.05
72.39 ±0.05
3.81 ±0.05
2.54 ±0.05
2.54 ±0.05
87.36 ±0.08
＋0.1
 
0
2-φ2.8 ＋0.1
 
0
Polarizing hardware
6 patterns with 4 fixing places
Panel cut-out （MSG59RR-L_, MSG59RF-L_ Front mount）
2-φ2.8 ±0.1
(2.5)(20)
105.7
(3.95)
97.8
17.5
(10.41)
9.59
(3.95)
(2.5)
R5max.
Panel cut-out （MSG59RP-L110 Front mount）
2-φ4.5
or2-M4
Panelholepattern
Tolerances±0.5
15
110
95
R1
MSG
Front I/O Connector
VME
"19" inch rack
81
Plug for cable upper direction／Down direction（MSG50P-L13/L23）
Right-angle boardmount receptacle with flange, upper cable direction（MSG50RF-L111）
MSG
Front I/O Connector
82
Panel cut-out（MSG50RF-L_ Front mount）
(2.5)
(3)
(20)
(4.8)122 ±0.1
131.6 ±0.1
R2.5max.
10 ±0.1
17 ±0.1
φ2.8＋0.1
0
Board
MSG50RF-L111
Recommended drilling hole pattern（MSG50RF-L_）
Holepattern(Componentside)
Thickness：1.6±0.2
(18.8)
125.6 ±0.08
88 ±0.05 (18.8)
0
2-φ2.8 ＋0.1
0.91 ±0.05
3.81 ±0.05
3.81 ±0.05
5.5 ±0.05
2.75 ±0.05
0
50-φ1＋0.1
9.46 ±0.1
MSG
Front I/O Connector