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2. Before installation
2.1 Check that the voltage between neutral and earth does

not exceed 10 volts.

If this voltage does exceed 10 volts, the installation is
unsafe.

Find and rectify the cause of this fault before proceeding.

2.2 Make sure that the supply voltage is suitable for the unit.

Supply Rated

Voltage (VRMS)

Unit Voltage

Range (VRMS)

ESP 120 M1
Phase to Neutral/Earth

110/120/127

90-150

ESP 208 M1 and
ESP 208 M1R Phase to Phase

190/208/220

156-260

ESP 240 M1
Phase to Neutral/Earth

220/230/240

200-280

ESP 415 M1 and
ESP 415 M1R Phase to Phase

380/400/415

346-484

ESP 277 M1
Phase to Neutral/Earth

240/254/277

232-350

ESP 480 M1 and
ESP 480 M1R Phase to Phase

415/440/480

402-600

Installation instructions for mains wire-in protectors | 2/1

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Содержание ESP M1R

Страница 1: ... INSTALLATION INSTRUCTIONS ESP M1 M1R mains protectors ESP 120 M1 ESP 208 M1 ESP 240 M1 ESP 415 M1 ESP 277 M1 ESP 480 M1 and M1R variants ...

Страница 2: ...ts of installation 1 Before installation 2 Installation 3 Installation check 4 Neutral earth warning light 5 Status indication 6 Remote indication 7 Maintenance 8 Application Notes 9 Remote display drilling template 10 ...

Страница 3: ... ESP 208 M1 and ESP 208 M1R Single phase ESP 240 M1 Three phase ESP 415 M1 and ESP 415 M1R Single phase ESP 277 M1 Three phase ESP 480 M1 and ESP 480 M1R These instructions are prefaced by a summary of the Key points of installation Each key point is explained in detail in the section entitled Installation Installation instructions for mains wire in protectors ...

Страница 4: ...ing Regulations and Building Regulations Incorrect installation will impair the effectiveness of ESP protectors Always handle cables by their insulation Never work on ESP protectors earthing or their cables during a storm 1 Key points of installation 1 1 Install protectors very close to the power supply to be protected either within the distribution panel or directly alongside it 1 2 Mount units w...

Страница 5: ... 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 or on the closest available outgoing 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 125 A maximum ensuring full discrimination with the...

Страница 6: ... may be better achieved with the equivalent M1R with remote display mounting flexibility 1 10 Bind the connecting leads tightly over their entire length 1 11 Maximum torque for power terminals is 2 65Nm wire stripping length 17mm 1 12 Maximum torque for remote contact is 0 25Nm wire stripping length 7mm 1 2 Installation instructions for mains wire in protectors ...

Страница 7: ...le for the unit Supply Rated Voltage VRMS Unit Voltage Range VRMS ESP 120 M1 Phase to Neutral Earth 110 120 127 90 150 ESP 208 M1 and ESP 208 M1R Phase to Phase 190 208 220 156 260 ESP 240 M1 Phase to Neutral Earth 220 230 240 200 280 ESP 415 M1 and ESP 415 M1R Phase to Phase 380 400 415 346 484 ESP 277 M1 Phase to Neutral Earth 240 254 277 232 350 ESP 480 M1 and ESP 480 M1R Phase to Phase 415 440...

Страница 8: ... to it Figure 2 3 2 Enclose the ESP unit The ESP unit has exposed terminals For electrical safety the unit must be installed within a panel or enclosure For standard single and three phase units where possible install the unit within the power distribution panel behind a suitable viewing window 3 1 Installation instructions for mains wire in protectors Figure 1 ESP 415 M1 installed inside a power ...

Страница 9: ...on is available These units can be installed within the power distribution panel with the remote display mounted on the front of the panel Installation instructions for mains wire in protectors 3 2 Figure 2 ESP 415 M1 installed next to a power distribution panel ...

Страница 10: ...el Suitable enclosures are available from Furse 3 3 Installation instructions for mains wire in protectors NO Volt free contact ESP 240 M1 STATUS INDICATION ELECTRONIC SYSTEMS PROTECTION Made by W J Furse Co Ltd ESP Division Wilford Road Nottingham NG2 1EB UK L L N L1 N N WARNING PATENT APPLIED FOR If lit flashing disconnect unit check Neutral to Earth supply voltage NC C GREEN FULL PROTECTION NO ...

Страница 11: ...cted See Figure 3 The connecting leads do not carry the load current of the supply only the current associated with suppressing the transient overvoltage Installation instructions for mains wire in protectors 3 4 To load Figure 4 Parallel connection for three phase star 4 wire and earth supplies From supply ...

Страница 12: ...CTRONIC SYSTEMS PROTECTION Made by W J Furse Co Ltd ESP Division Wilford Road Nottingham NG2 1EB UK L 1 L 1 L 2 L 3 N N WARNING PATENT APPLIED FOR If lit flashing disconnect unit check Neutral to Earth supply voltage L 2 L 3 NC C GREEN FULL PROTECTION NO PROTECTION REDUCED PROTECTION replace unit GREEN RED RED Let through voltage 600V 3 phase 50Hz Live to Neutral Live to Earth Neutral to Earth Vma...

Страница 13: ...ing of the ESP unit Consequently the supply s phase to earth voltage must be checked before installing the ESP unit We recommend that you consult ABB Furse ESP before installing ESP units on delta supplies 3 5 Connection point a Protecting supplies feeding equipment in the building The ESP unit is typically connected to the power supply at a power distribution board panel either i on the load side...

Страница 14: ...ide NO Volt free contact ESP 415 M1 STATUS INDICATION ELECTRONIC SYSTEMS PROTECTION Made by W J Furse Co Ltd ESP Division Wilford Road Nottingham NG2 1EB UK L 1 L 1 L 2 L 3 N N WARNING PATENT APPLIED FOR If lit flashing disconnect unit check Neutral to Earth supply voltage L 2 L 3 NC C GREEN FULL PROTECTION NO PROTECTION REDUCED PROTECTION replace unit GREEN RED RED Let through voltage 600V 3 phas...

Страница 15: ...onnect unit check Neutral to Earth supply voltage NC C GREEN FULL PROTECTION NO PROTECTION REDUCED PROTECTION replace unit GREEN RED RED Let through voltage 600V 1 phase 50Hz Live to Neutral Live to Earth Neutral to Earth Vmax 280Vrms Outgoing way internal to the building Outgoing way to external load Incoming supply Outgoing ways internal to the building Figure 7 Connection for supplies continuin...

Страница 16: ...al loads NO Volt free contact ESP 415 M1 STATUS INDICATION ELECTRONIC SYSTEMS PROTECTION Made by W J Furse Co Ltd ESP Division Wilford Road Nottingham NG2 1EB UK L 1 L 1 L 2 L 3 N N WARNING PATENT APPLIED FOR If lit flashing disconnect unit check Neutral to Earth supply voltage L 2 L 3 NC C GREEN FULL PROTECTION NO PROTECTION REDUCED PROTECTION replace unit GREEN RED RED Let through voltage 600V 3...

Страница 17: ...ngham NG2 1EB UK L L N N WARNING PATENT APPLIED FOR If lit flashing disconnect unit check Neutral to Earth supply voltage NC C GREEN FULL PROTECTION NO PROTECTION REDUCED PROTECTION replace unit GREEN RED RED Let through voltage 600V 1 phase 50Hz Live to Neutral Live to Earth Neutral to Earth Vmax 280Vrms Figure 10 Busbar mounted HRC fuse at the end of the live connecting lead NO Volt free contact...

Страница 18: ...ing characteristics to ensure discrimination particularly where an installation includes a mixture of types of fuse or of fuses and circuit breakers Live phase connecting leads can be fused by either a installing appropriate high rupture capacity HRC fuses or switchfuses in the connecting leads at the supply end of the lead See Figure 10 or b installing up to a 125 Amp circuit breaker MCCB or type...

Страница 19: ...down or on their side if this facilitates shorter connecting leads WARNING The longer the connecting leads between the mains cable or busbars and the terminals of the ESP unit the greater the additive voltage let through by the installed protector If the resultant let through voltage is higher than the susceptibility level of the equipment to be protected damage will result ESP protectors with rem...

Страница 20: ...s is tightly bound together using Ty Raps tape or spiral wrap This should be done for the entire length of the cable or as far as is possible The two sets of bound conductors should be separated in their routeing Ideally a distance of 10 cm 4 inches should be maintained between the two sets of conductors as far as possible See Figure 11 3 13 Installation instructions for mains wire in protectors F...

Страница 21: ...e make one connection from the ESP unit to the earth bar b a second short and direct connection again using 6 mm2 cable should be taken from the ESP unit to the metalwork of the distribution board c bond the earth bar to the metalwork of the distribution board The techniques outlined above i iii are designed to minimise the inductance associated with the connecting leads 3 10 Bind connecting leads...

Страница 22: ...ication is shown on the remote display unit 4 Installation check The ESP unit should now be correctly installed Switch the power supply on Check that a green LED per phase and neutral is lit See Figure 12 The unit is now fully operational Watch the WARNING light for 30 seconds If it is flashing or lit there is a problem with your installation see opposite ...

Страница 23: ...ase live and neutral connections and if a mistake has been made correct it If all the phase live and neutral connections are correct there is a fault with the mains supply see b below Note The ESP unit may have suffered damage check the status indication see section 6 b Illumination at any time The WARNING light will flash when the neutral to earth voltage exceeds 30 Volts The faster the flashing ...

Страница 24: ...nits give a continuous visual display of their status They have a two colour indicator light for each phase and neutral Green only Full protection power on Green Red WARNING Reduced protection replace unit as soon as possible Red only NO PROTECTION Replace ESP unit immediately No lights No power connection or system fault Check external fuses and connections 6 1 Installation instructions for mains...

Страница 25: ...ctor and is located on the top of the ESP unit It has three terminals marked NO Normally Open NC Normally Closed C Common The normally open NO contact is open when the ESP unit is healthy and power is present The normally closed NC contact is closed when the unit is healthy and power is present As well as providing warning of the reduced protection state the normally closed volt free contact can a...

Страница 26: ...nimum permissible load is 10 mA 5 V DC Unit Healthy Reduced or No protection NO NC NO NC Power Present OPEN CLOSED CLOSED OPEN Power Absent CLOSED OPEN CLOSED OPEN 7 2 Installation instructions for mains wire in protectors Figure 13 Operation of normally closed NC and normally open NO volt free contact ...

Страница 27: ... interpretation Condition of connecting leads and terminations Environment Consider the protection of the environment Used electrical and electronic equipment must NOT be disposed of with domestic waste The device contains valuable raw materials which can be recycled Therefore contact ABB for disposal of this equipment Installation instructions for mains wire in protectors 8 1 ...

Страница 28: ...needed to ensure ESP units achieve coordination Always ensure ESP units are used on the same installation to ensure coordination Mixing ESP units with alternative manufacturers units could result in damage to both protection units and connected equipment through poor coordination 9 2 RCD units ESP units should ideally be installed before or upstream of residual current devices RCDs and not on the ...

Страница 29: ...ing Otherwise the ESP unit will treat the insulation test as a transient overvoltage and control the voltage to a low level thereby defeating the object of the test 9 4 Duplex configuration For systems demanding extremely high reliability ESP units can be connected in duplex format The use of two units will achieve an improvement in performance and increased lifetime over a single ESP unit at high...

Страница 30: ...y in which one or two phases are not in use the ESP units spare or unused live terminal s should be connected to live otherwise its indication lights and volt free contact will not work correctly The preferred approach is to take a connecting lead from each spare terminal to the supply live However it is also possible to connect the ESP units spare terminal s to whichever live terminal is in use a...

Страница 31: ...55 0mm 70 5mm 90 0mm 3 5mm x4 15mm minimum 35 5mm Remote display drilling template ...

Страница 32: ... 115 964 3700 Fax 44 0 115 986 0071 National Sales Tel 44 0 333 999 9900 National Sales Fax 44 0 333 999 9901 E Mail enquiry furse com www furse com Copyright 2017 ABB All rights reserved Specifications subject to change without notice Copyright ABB 10 2017 9AKK106713A1359 ...

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