High Current, Plastic Power Supply Connectors
EM Series
■Features
1. 4-positions with high current capability
(three-phase power supply and ground)
·Rated current of 50A per contact (50A/3contacts) with
AWG#8 or corresponding wire.
·Rated current of 30A per contact (90A/3contacts) with
AWG#10 or corresponding wire.
(Please refer to the charts below concerning the relation
between ambient temperature and working current value.)
4. Sequenced mating
Ground terminal makes contact first before power terminals touch.
5. One-touch lock is easy to operate
Lock operation can be done by simply snapping the receptacle and plug together.
6. Attachment Styles
•DIN rail attachment type
Snap-on attachment to 35 mm width DIN rail.
•Panel attachment type
Both front and back mounting applicable.
2. Easy crimp termination
Crimp terminals were designed to create terminations that
are both easy and uniform.
7. Ten keying combinations possible
Guide keys prevent incorrect insertions when multiple
connectors are used together at the same time.
3. Standard tooling available
Terminals can be crimped with a standard tool in
accordance with JIS C 9711.
8. Meets approved safety standards
TÜV, UL certified.
Mated dimensions
Derating curve
AWG#8
(Note 1) Derating curve is a curve that is obtained by multiplying the current value of the basic curve by derating factor of 0.8.
AWG#10
100
100
Temperature Elevation Curve
90
90
80
80
70
70
60
60
50
Current(A)
0
10
20
30
40
50
60
70
80
90
10 0
11 0
1 20
130
50
40
40
30
30
20
20
10
10
0
0
0
10
20
30
Rise of Temperature(ç)
40
50
60
70
80
90
100
110
120
130
(Note 1) Derating curve is a curve that is obtained by multiplying the current value of the basic curve by derating factor of 0.8.
2012.10
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1
EM Series●High Current, Plastic Power Supply Connectors
■Product
Specifications
Current rating
Rating
Voltage rating
Item
50A and 30A
(Refer to charts on page 1)
AC 500V and DC 500V
Specification
Operating
temperature range
Storage
temperature range
-40 to +125ç
-10 to +60ç
Condition
1. Contact resistance
2. Insulation resistance
3. Withstanding voltage
4. Vibration resistance
1mø max.
5000Mø min.
No flashover and insulation breakdown
No electrical discontinuity of 10 µs or
more
No electrical discontinuity of 10 µs or
more
Contact resistance: 1mø max.
Measured at DC 1A
Measured at DC 500V
AC 4260V for one minute
10/50/10Hz/cycle, single amplitude of 0.75mm,
five minutes/cycle, three directions,
10 cycles for each direction
Acceleration of 490m/s
2
, duration of 11ms,
three directions, three times for each direction
100 cycles
-55ç for 30 minutes/room temperature for 2 to 3
minutes/+125ç for 30 minutes/room temperature
for 2 to 3 minutes, 5 cycles
Exposed for 96 hours at the temperature of 40ç and
the humidity of 90 to 95%
5. Shock resistance
6. Durability
7. Temperature cycle
Insulation resistance: 5000Mø min.
Insulation resistance:
50Mø min. (at high humidity condition)
500Mø min. (at dry condition)
8. Humidity resistance
(Normal condition)
■Material
Item
Insulation
Contact
Material
PBT resin
Copper alloy
Finish
----
Tin plated (Nickel base plating)
Remarks
UL94V-0
----
■Explanation
of part numbers
Please refer to the charts below to understand each specific portion of the part number.
●Connector
EM 35 M P − 4 S C (
**
)
❶
❷
❸
❹
❺
❻
❼
½
●Guide
key
EM − GK (
**
)
❶
❹
½
●Crimp
terminal
EM − S C − 1 4 3 (
**
)
❶
❶
❷
❸
❹
❻
❼
❾
½
Series name: EM
❼
Type of termination: C = Crimp
Shell size: 35
½
This position will be used to indicate changes or
variations to the product. When needed, there will
Specialty: M=Mold type(Plastic type)
be a 2 digit number within the parentheses. This
Connector type: P= Plug
R= Receptacle DIN rail attachment type）
（
number will correspond to specific changes and/or
RA= Receptacle Panel attachment type）
（
variations with the part.
GK= Guide key
❾
Terminal shape: 1= Loose piece terminal
❺
Number of contacts: 4
Shape modification: 1, 3 or 4 denotes the different
terminals for different wire gauges
❻
Contact gender: S=Female contact,
P=Male contact
Plating: 3 = Tin plated
2
EM Series●High Current, Plastic Power Supply Connectors
■Plug
Part number
EM35MP-4SC
EM35MP-4PC
HRS No.
CL138-0020-9
CL138-0021-1
■Receptacle(DIN
rail attachment type)
Part number
EM35MR-4PC
EM35MR-4SC
HRS No.
CL138-0022-4
CL138-0023-7
■Receptacle
(Panel attachment type)
Part number
EM35MRA-4PC
HRS No.
CL138-0028-0
3
EM Series●High Current, Plastic Power Supply Connectors
■Crimp
terminals
◆Male
terminals
Type
Part number
HRS No.
Applicable wire
(1) Cross sectional area of conductor: 5.26 to 5.57mm
2
(corresponding to AWG#10)
(2) Outside diameter of conductor: Ø3.1 max.
(3) Outside diameter of jacket: Ø8.7 max.
(Wire needs to meet all the specifications listed in 1, 2 and 3.)
(1) Cross sectional area of conductor: 8mm
2
(2) Outside diameter of conductor: Ø3.7 max.
(3) Outside diameter of jacket: Ø8.7 max.
(Wire needs to meet all the specifications listed in 1, 2 and 3.)
(1) Cross sectional area of conductor: 8.44 to 8.92mm
2
(corresponding to AWG#8)
(2) Outside diameter of conductor: Ø4.4 max.
(3) Outside diameter of jacket: Ø11.5 max.
(Wire needs to meet all the specifications listed in 1, 2 and 3.)
Remarks
Retainer:
black
EM-PC-113(01)
CL138-0011-8-01
Loose piece
terminals
EM-PC-133
CL138-0019-0
Retainer:
white
EM-PC-143(01)
CL138-0025-2-01
Retainer:
purple
(Note) Four (4) pieces per package
◆Female
terminals
Type
Part number
HRS No.
Applicable wire
(1) Cross sectional area of conductor: 5.26 to 5.57mm
2
(corresponding to AWG#10)
(2) Outside diameter of conductor: Ø3.1 max.
(3) Outside diameter of jacket: Ø8.7 max.
(Wire needs to meet all the specifications listed in 1, 2 and 3.)
(1) Cross sectional area of conductor: 8mm
2
(2) Outside diameter of conductor: Ø3.7 max.
(3) Outside diameter of jacket: Ø8.7 max.
(Wire needs to meet all the specifications listed in 1, 2 and 3.)
(1) Cross sectional area of conductor: 8.44 to 8.92mm
2
(corresponding to AWG#8)
(2) Outside diameter of conductor: Ø4.4 max.
(3) Outside diameter of jacket: Ø11.5 max.
(Wire needs to meet all the specifications listed in 1, 2 and 3.)
Remarks
Retainer:
black
EM-SC-113(01)
CL138 -0010-5-01
Loose piece
terminals
EM-SC-133
CL138-0018-7
Retainer:
white
EM-SC-143(01)
CL138-0024-0-01
Retainer:
purple
(Note) Four (4) pieces per package
4
EM Series●High Current, Plastic Power Supply Connectors
■Guide
key
Part number
EM-GK
HRS No.
CL138-0026-5
(Note)
Packaged twenty five (25) sprues to a bag.
Each sprue holds 4 guide keys and yields a total of 100 guide keys.
Guide keys are used to create keying combinations to prevent incorrect
insertion. This is especially useful when multiple parts are being used
together. Guide keys need to be installed on both the plug and receptacle
when creating specific combinations.
Please contact a Hirose representative for details and proper use of guide
keys.
BGuide
key combination table
(Using two guide keys on the plug and three on the receptacle can make up to ten different combinations.)
Positioning of guide keys on the plug
Positioning of guide keys on the receptacle
Guide key
Guide key
Dovetail
groove
Dovetail
groove
5
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