ABB ESP M1R Installation Instructions Manual page 4

Safety note:
Safety note:
Warning! Installation by person with
Warning! Installation by person with electrotechnical
electrotechnical expertise only.
Warnung! Installation nur durch
expertise only.
elektrotechnische Fachkraft.
Avvertenza! Fare installare solo da un
Warnung! Installation nur durch elektrotechnische
elettricista qualificato.
Avertissement! Installation uniquement par
Fachkraft.
des personnes qualifiées en électrotechnique.
Advertencia! La instalación deberá ser
Avvertenza! Fare installare solo da un elettricista
realizada únicamente por electricistas
especializados.
qualificato.
ESP protector installation should be
conducted by a qualified competent person
Avertissement! Installation uniquement par des
and comply with all relevant Regulations and
Legislation (including BS 7671 Wiring
personnes qualifiées en électrotechnique.
Regulations and Building Regulations).
Incorrect installation will impair the
effectiveness of ESP protectors.
Advertencia! La instalación deberá ser realizada
Always handle cables by their insulation. únicamente por electricistas especializados.
Never work on ESP protectors, earthing or
their cables during a storm.
ESP protector installation should be conducted by a
1. Key points of installation
qualified competent person and comply with all relevant
Regulations and Legislation (including BS 7671 Wiring
1.1 Install protectors very close to the power
supply to be protected, either within the
Regulations and Building Regulations). Incorrect
distribution panel or directly alongside it.
installation will impair the effectiveness of
1.2 Mount units within a panel or WBX
enclosure.
ESP protectors.
1.3 Units are installed in parallel.
Always handle cables by their insulation. Never work on
ESP protectors, earthing or their cables during a storm.
Installation instructions for mains wire-in protectors
1.4 Connect to phase(s), neutral and earth.
NOTE: Units must have a neutral
connection (see 3.4).
1.5 Units installed at power distribution
boards can be installed either:
-
on the load side of the incoming
isolator
-
on the closest available out going way to
the incoming supply
1.6 Provide a means of isolation for the
ESP unit.
1.7 The connecting leads to phase/live
terminals should be suitably fused
(up to 125 Amps) ensuring full
discrimination with the immediate
upstream supply fuse.
1.8 Connecting leads should be 10 mm
multi-stranded copper conductor
(terminals can accept up to 25 mm
1.9 Keep the connecting leads as short as
possible and ideally less than 25 cm
(10 inches) in length. This may be better
achieved with the equivalent M1R
remote display variant which permits
optimum positioning of both protector
and display.
1.10 Bind the connecting leads tightly
over their entire length.
1.11 Maximum torque for power terminals is
2.9Nm, wire stripping length 17mm.
1.12 Maximum torque for remote contact is
0.25Nm, wire stripping length 7mm.
Installation Instructions for Mains Wire-In Protectors | 1
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