Page 184 - Elpress英文样本电气连接压接系统

Shearbolt terminals

Shearbolt terminals up to 36 kV Washers are always needed for con- Screw and washer
necting terminals with screw joints to
Elpress shearbolt terminals are available busbars. The following apply for bright galvanized
as through connectors and terminals for: type nuts and screws, with strength class

• stranded and solid Al and Cu cables 8.8, used for connecting terminals with
• round cross section 10 to 630 mm² Cu and Al palms:
• sector cross section 16 to 240 mm² • Always use a torque wrench to be cer-
tain the right torque is achieved. Make
sure it is calibrated at regular intervals
according to the supplier’s instructions.

• Use the recommended torque according
to the screw manufacturer’s instruc-
tions.
• Always use a hard flat washer to reduce
friction against the connection surface
and the edge pressure, hardness min
HB200.
Use a socket wrench to tighten the screws.
It is also possible to use an impact wrench. • Install as illustrated.

SC50R50S
SL240N-12
On the SC50R50S through connector, the
screws are threaded into the sleeve and
can handle all their cable areas on one th-
The screws used are made of brass, that read length. SC50R50S is also suitable as
has the advantage of providing a lower a screen connector for 10-35 mm² Cu/Al.
friction compared to aluminium or steel
screws. This makes it easier for the user

to perform the installation. Installation
tools can be a socket wrench or an im-
pact wrench with torque force >100 Nm.
We recommend that the fitter uses a
counterhold tool to secure the shearbolt
terminal more easily when tightening the Tightening torque
screws. Recommended tightening torque for
wet lubricated screws and nuts of bright
Handles multiple area steps galvanized zinc type with strength class
The advantages of shearbolt terminals Through connector SC50R50S with pre-assem- 8.8 and coarse threaded (normal thread),
bled screws.
are that installation can be done easily used with corresponding washer for
without any heavy special tools and that Labelling connection of terminals with Cu- and Al
they can manage several area steps in palm. See table in Chapter 12.
the same through connector/terminal, Elpress marking of shearbolt terminals
for example 10-50 mm². The user gets a shows logo, product name, cable area
reduced range of products and a flexible (for stranded and solid conductors) and
solution. shearbolt installation order. The terminal
Shearbolt terminals are made of harde- palm is marked with screw size M-thread
ned aluminium with an alloy that allows for bolted joints.
both copper and aluminium cable to be
joined, while preventing the occurence of
galvanic corrosion. To reduce the number Cat. no. SL70R70S-10-12
of terminal variants, screw terminals are SL = Shearbolt terminal
supplied with reduction washers that 70R = max 70 mm² round conductor
allow the use of two different bolt sizes. 70S = max 70 mm² sector conductor
10-12 = screw size 10 and 12 M thread

Cat. no. SC50R50S
SC = Shearbolt connector
50R = max 50 mm² round conductor
50S = max 50 mm² sector conductor

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