Altech Screw Clamp Terminal Block Data Sheet
Screw Clamp Terminal Block Accessories
Jumpering System
The jumpering systems bus potentials between terminal blocks, reducing wiring time. Adjacent blocks or
selective terminal blocks within an
assembly can be easily interconnected, leaving terminal clamps free for
wiring. Purchase complete assemblies, which are ready for installation,
or select individual components to
create custom or extra long jumpers.
Jumper ampacity is lower than the
rated current of the respective terminal blocks, therefore, applied current
must not exceed the maximum current value of the block. Internal
jumpers may be used in combination
with external jumpers to achieve
additional jumpering possibilities.
Internal Jumper Assemblies
Internal Jumper Assemblies consist of a
Current Bar, Shorting Sleeves and
screws. They install easily into the center
of the terminal block and connect to the
current bar. They are available as standard 2, 3, 4 or 10 pole assemblies and
are ready for immediate installation.
Insulated internal jumpers provide shock
protection when installed on terminal
block assemblies.
External Jumper
External Jumpers bus potentials
between terminal blocks, reducing
wiring time. Adjacent or selected
blocks within an assembly can be
easily interconnected. Jumper poles
may be removed for selective
jumpering. Jumpers are insulated
and available in 2, 3, 4 and 10 pole
versions. They are made of tin plated
brass/copper.
Current Bars
Current Bars are offered to create
custom jumper assemblies for
increased number of poles or custom
jumpers. Select the current bar with
the required number of poles, or field
cut them to the required length. They
are made of tin or nickel plated copper or brass.
Shorting Sleeves & Screws
Shorting Sleeves & Screws ensure
reliable and mechanically safe electrical connections between current
bars and the terminal block current
bars. One shorting sleeve is required
for each jumpered terminal. They are
made of nickel plated brass.
1
Internal Jumpering System not
available.
2
100 pole strip can be broken down to
any number of poles desired.
96
Terminal Series Poles
CTS2.5UN 2
3
4
10
2
100
CTS4UN 2
CMC1-2 3
CMC2-2 4
CTS4UTM 10
CKT4U
CDL4UN 100
2
10 (breakable)
CTS6U 2
1
CDTTU
CDTTU-SH
1
CSDL6U
1
CSFL6U
1
3
4
100
CTS10U 2
3
4
10
CTS16U 2
3
4
10
CTS25U 2
3
4
10
CTS35U 2
3
4
10
CTS35UN* 2
3
4
10
CMT4 2
CMT4S 3
CMB4 4
CDL4U 10
CDL4U(I.S) 100
2
ODL4U 10 (breakable)
CDL4UTM
DDFL4U 2
DDFL4U(E) 3
DDDL4U 4
1
CSFL4U
CSFL4U(L)
1
10
CSDL4U
CAFL4U 2
CAFL4U(L)
1
3
4
10
CTL2.5U 2
CTL2.5UH 3
CTL2.5UL 4
CTL2.5UHL 10
CTL2.5U(I.S) 100
2
10 (breakable)
INTERNAL JUMPER
Cat. No. Torque Std. Pk.
CA721/2 0.4 Nm 100
CA721/3 100
CA721/4 100
CA721/10 10
CA721/100 10
CA722/2 0.4 Nm 100
CA722/3 100
CA722/4 100
CA722/10 10
CA722/100 10
CA723/2 0.5 Nm 100
CA723/3 50
CA723/4 50
CA723/10 10
CA724/2 0.5 Nm 100
CA724/3 50
CA724/4 50
CA724/10 10
CA751/2 0.8 Nm 50
CA751/3 50
CA751/4 50
CA751/10 10
CA725/2 0.8 Nm 50
CA725/3 20
CA725/4 20
CA725/10 10
CA726/2 0.8 Nm 50
CA726/3 20
CA726/4 20
CA726/10 10
CA771/2 0.8 NM 50
CA771/3 20
CA771/4 20
CA771/10 10
CA727/2 0.4 Nm 100
CA727/3 100
CA727/4 100
CA727/10 10
CA729/2 0.5 Nm 100
CA729/3 50
CA729/4 50
CA729/10 10
CA722/2 0.4 Nm 100
CA722/3 50
CA722/4 50
CA722/10 20
CA722/100 20
INSULATED INTERNAL JUMPER
Cat. No. Torque Std. Pk.
CA741/2 0.4 Nm 100
CA741/3 100
CA741/4 100
CA741/10 10
CA741/100 10
CA742/2 0.4 Nm 100
CA742/3 100
CA742/4 100
CA742/10 10
CA742/100 10
CA743/2 0.5 Nm 100
CA743/3 50
CA743/4 50
CA743/10 10
CA744/2 0.5 Nm 100
CA744/3 50
CA744/4 50
CA744/10 10
CA761/2 0.8 Nm 50
CA761/3 50
CA761/4 50
CA761/10 10
CA745/2 0.8 Nm 50
CA745/3 20
CA745/4 20
CA745/10 10
CA746/2 0.8 Nm 50
CA746/3 20
CA746/4 20
CA746/10 10
CA781/2 0.8 NM 50
CA781/3 20
CA781/4 20
CA781/10 10
CA747/2 0.4 Nm 100
CA747/3 100
CA747/4 100
CA747/10 10
CA749/2 0.5 Nm 100
CA749/3 50
CA749/4 50
CA749/10 10
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