ISUPS2B004 Rev 1
Page 18 of 70
Ampcontrol Pty Ltd
– ABN 28 000 915 542
ISUPS 300Wh V2 USER MANUAL
ISUPS2B004 R2
– DEC/17
4.5.2 Terminal Requirements
Ex e Terminals
The cable size shall be between 0.5mm
2
and 4mm
2
and rated for >3.4A.
Not more than one single or multiple strand lead shall be connected into any terminal, unless
multiple conductors have been joined in a suitable manner, e.g. two conductors into a single
insulated crimped bootlace ferrule.
Leads connected to the terminals shall be insulated for 275V or greater and this insulation shall
extend to within 1mm of the metal of the terminal throat.
All terminal screws, used and unused, shall be tightened down to between 0.5 Nm and 0.7 Nm.
Cross-connecting combs shall not be used.
Ex i Terminals
– Large Terminals Wiring:
Stripping length: Max 8mm
Diameter: 0.2mm
2
to 4mm
2
without ferrule
Max ferrule size: 4mm
2
Max twin ferrule size: 2.5mm
2
Wires should be installed so that wire insulation extends to the terminal. i.e. there should be no copper
protruding. This is necessary to maintain adequate clearance between adjacent IS circuits.
Ex i Terminals
– Small Terminals Wiring:
Stripping length: Max 9mm
Cross sectional area: 0.2mm
2
to 1.5mm
2
without ferrule
Max ferrule size with sleeve: 0.5mm
2
Max ferrule size without sleeve: 1mm
2
