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Shear Bolt Connector

Mechanical Connector Shear Bolt Connector

BSM connectors consist of a tin-plated body,shear bolt heads and inserts for small conductor sizes. Made of High-strength special aluminum alloy, these contact bolts are double shear bolt heads with hexagon heads. The bolts are treated with a highly lubricating agent. Contact bolts are irremovable once their heads have been sheared off. The lug body is made of a high-tensile, tin-plated aluminium alloy. The internal surface of the conductor holes are grooved.

Component

Main body: special aluminum alloy material, forging process, surface tin plating treatment, plating layer> 7μm
Torque bolt: processed by CNC lathe, with higher precision
Intermediate baffle: The product is divided into oil blocking type and non-blocking type. Only the oil blocking type has a baffle.
Beading: starting from BSM-500/630, the connecting pipe does not have beading

Structural features

▪ Wide application range: suitable for wires from 10mm² to 1000mm², and can be used with almost all types of wires and materials;
▪ Pre-construction design: perfectly fit for heavy-duty cable accessories up to 42KV;
▪ Reliable electrical connection performance: use the set torque screw to press the conductor into the inner bolt of the wiring tube;
▪ Easy installation: compact design, easy to install with standard socket wrench;

Installation

No special tools are required;

Only one socket wrench is required to complete the installation;

Including proving a tab;

The graded torque-double scissors head bolts are designed to ensure reliable and secure contact;

We recommend the use of a support tool (see accessories) to prevent bending of the conductor;

Each connector head or cable lug has a separate mounting instruction.

Torque connection selection table

TYPE Wire cross
section mm²
With central
barrier
(yes /no)
Dimensio n(mm) Number of
Bolt
Bol t head
specifications
L1 D2 D1 D2 AF(mm)
BSM-10/35 10-35 Yes 45 20 19 8.5 2 10
BSM-25/95 25-95 Yes 65 30 24 12.8 2 13
BSMU-25/95 25-95 no 65 24 12.8 2 13
BSM-35/150 35-150 Yes 80 35 28 15.8 2 17
BSMU-35/150 35-150 no 80 28 15.8 2 17
BSM-95/240 95-240 Yes 125 60 33 20 4 19
BSMU-95/240 95-240 no 125 33 20 4 19
BSM-95/240-34 95-240 Yes 125 60 34 22 4 19
BSM-120/300 120-300 Yes 140 65 37 24 4 22
BSMU-120/300 120-300 no 140 37 24 4 22
BSM-185/400 185-400 Yes 170 80 42 25.5 6 22
BSMU-185/400 185-400 no 170 42 25.5 6 22
BSM-500/630 500-630 Yes 200 95 50 33 6 27
BSMU-500/630 500-630 no 200 95 50 33 6 27
BSM-800/1000 800-1000 Yes 230 110 60 40.5 8 13
TYPE Conductor cross-sectional
area mm?
With central
barrier
(yes/no)
Size(mm) Number of bolts Bolt head specification
AF(mm )
Main line Branch line    L D1 D2 D3 D4 Main line Branch
line
Main line Branch
line
BSMB 25/95-95/240 95-240 25-95 Yes 125 24 33 33 20 2 1 19 13
BSMB 95/240-185/400 185-400 95-240 Yes 170 33 42 42 25.5 3 2 22 19
BSMB 185/400-500 500 185-400 Yes 190 42 25.5 46 30 3 3 27 22
BSMB 185/400-630 630 185-400 Yes 200 42 50 50 33 3 3 27 22
BSMB 500-800 800 500 Yes 180 46 56 56 36 4 3 13 13
BSMB 630-800 800 630 Yes 180 50 56 56 36 4 3 13 13
BSMB 630-1000 1000 630 Yes 180 50 60 60 40 4 3 13 13
BSMB 800-1000 1000 800 Yes 180 56 60 60 40 4 3 13 13
BSMB 95/240-34-120/300 120-300 95-240 Yes 140 34 22 37 24 2 2 22 19
BSMB 95/240-34-500 500 95-240 Yes 160 34 22 46 30 3 2 19 13

How to cut cables correctly

When installing the splice connector, be sure to insert the wire completely into the tube hole: there is no gap between the cable  and the splice connector

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