Product Technical Guides : CA-EN Direct Fastening - Volume 1 Edition 22 | Page 80

3.2.14.7.3 Technical data Application examples
Functional and protective bonding in pipe ( outer diameter of installed surface ≥ 5.9 ’’
Protective bonding circuit – double point connection
Functional bonding and terminal connection in a circuit For low permanent current due to static charge built up in pipes or for low permanent current when closing an electrical circuit
Single point connection
Recommended electrical connectors
Maximum allowable permanent current
Notes
X-BT-ER W10 / 7 SN 8 X-BT-ER WR6 / 7 SN 8 X-BT-ER W6 / 3 SN 8
= 40A
Recommended connected cable size ( tested to 40A ) according to IEC / EN 60204-1shall not exceed 10mm 2 copper ( 8AWG ). Fastening of thicker cable is acceptable provided the maximum permanent current of 40A is not exceeded and the provisions on cable lug thickness are observed .
Protective bonding circuit For discharging short circuit current while assisting in protecting electrical equipment or earth / ground or bonding cable trays and ladders
Single point connection
Recommended electrical connectors
Maximum short circuit current for period of 1s
Notes
X-BT-ER W10 / 7 SN 8 X-BT-ER W6 / 7 SN 8 X-BT-ER W6 / 3 SN 8
= 1250A
Recommended connected cable size ( tested to 1250A for 1s ) following IEC / EN 60947-7-2 shall not exceed 10mm 2 copper ( 8AWG ). Fastening of thicker cable is acceptable provided the maximum current of 1250A for a period of 1 second is not exceeded and the provisions on cable lug thickness are observed .
Recommended connected cable size ( tested to 750A for 4s ) according to UL 467 : ≤ 10AWG
Double point connection
Recommended electrical connectors
Maximum short circuit current for period of 1s
Notes
X-BT-ER W10 / 7 SN 8 X-BT-ER W6 / 7 SN 8
= 1800A
Recommended connected cable size ( tested to 1800A for 1s ) following IEC / EN 60947-7-2 shall not exceed 16mm 2 copper ( 6AWG ). Fastening of thicker cable is acceptable provided the maximum current of 1800A for a period of 1 second is not exceeded and the provisions on cable lug thickness are observed .
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