Morgan Carbon – No 1 Choice for Lead Free
Collector Strips
Environmentally friendly ensuring optimum performance Morgan Carbon supply high performance, long lasting lead free collector strips, trolley bus inserts and third & fourth rail shoes.
Morgan Carbon offer a variety of grades for all your requirements.
Morgan Carbon offer Lead
Free materials for all systems from High Speed to local Urban tramways.
Material Grades for Overhead Current Collection
Grade
Description
Typical Running Current
(A/mm)
Typical Static Current
(A/mm)
Specific Resistance
(mWm)
Density
(g/cm3)
Transverse Bend Strength
(MN/m2)
Hardness
Sceleroscope
CY3TA
Plain Carbon. Lead Free.
6
1
38
1.7
30
85
CY280
Plain Carbon Graphite. Lead Free.
6
1
38
1.6
35
75
MY7A
Metalised CY3TA for higher strength and lower resistance. Lead Free.
10
2
10
2.4
75
90
MY7A2
Metalised CY280 for higher strength and lower resistance. Lead Free.
14
2.3
5
2.5
85
95
MY258A2
Modified version of MY7A2 with added impregnation strength &
resistivity. Lead Free.
18
2.7
<2
2.7
75
85
MY258P
Metalised pressed grade with very low
resistivity. Lead Free.
20
5
<1
3.2
85
80
MY131
Metalised dense base carbon to give low weight version of metalised grade.
Lead Free.
10
2
8
2.2
80
105
The standard values for static current are based on the following
criteria:
4kg contact force per strip (8.8lbs), 107mm2 single wire catenary, partly worn, 150’c max catenary temperature(302’F).
Higher operating values are achievable under certain conditions.
Please contact our engineers for further information, as typical running and static currents are for guidance only.
Morgan Carbon supply Lead Free materials for trolley bus inserts which are durable and also incorporating a variety of designs including double tapered for a safe fit.
Material Grades for Trolley Bus Systems
Grade
Description
Typical Running Current
(A/mm contact length)
Specific Resistance
(mWm)
Density
(g/cm3)
Transverse Bend Strength
(MN/m2)
Hardness
Sceleroscope
CY3TA
Plain Carbon. Lead Free.
2.5
38
1.7
30
85
CY280
Plain Carbon Graphite. Lead Free.
2.5
38
1.6
35
75
CY3WA
Impregnated Carbon for improved wear. Lead Free.
2.5
38
1.9
30
90
MY7A
Metalised CY3TA for higher strength and lower resistance. Lead Free.
4
10
2.4
75
90
MY7A2
Metalised CY280 for higher strength and lower resistance. Lead Free.
4
5
2.5
85
95
MY258A2
Modified version of MY7A2 with added impregnation strength &
resistivity. Lead Free.
4
<2
2.7
75
85
MY258P
Metalised pressed grade with very low
resistivity. Lead Free.
4
<1
3.2
85
80
MY131
Metalised dense base carbon to give low weight version of metalised grade. Lead Free.
4
8
2.2
80
105
Higher operating values are achievable under certain conditions.
Please contact our engineers for further information, as typical running conditions are for guidance only.
Morgan Carbon offer Lead
Free low mass, self lubricating design ensuring a patina to reduce friction and wear, almost eliminating sparking.
Material Grades for Third & Forth Rail Systems
Grade
Description
Typical Running Current
(A/mm)
Typical Static Current
(A/mm)
Specific Resistance
(mWm)
Density
(g/cm3)
Transverse Bend Strength
(MN/m2)
Hardness
Sceleroscope
CY3TA
Plain Carbon. Lead Free.
10
5
38
1.7
30
85
CY280
Plain Carbon Graphite. Lead Free.
10
5
38
1.6
35
75
MY7A
Metalised CY3TA for higher strength and lower resistance. Lead Free.
12
7
10
2.4
75
90
MY7A2
Metalised CY280 for higher strength and lower resistance. Lead Free.
12
7
5
2.5
85
95
MY258A2
Modified version of MY7A2 with added impregnation strength &
resistivity. Lead Free.
12
7
<2
2.7
75
85
MY258P
Metalised pressed grade with very low
resistivity. Lead Free.
12
7
<1
3.2
85
80
MY131
Metalised dense base carbon to give low weight version of metalised grade.
Lead Free.
12
7
8
2.2
80
105
MY256
Metalised material with improved life suitable for underground applications.
Lead Free
12
7
6
2.5
70
90
Higher operating values are achievable under certain
conditions. Please contact our engineers for further information, as typical running and static currents are for guidance only.
