APC DCM00K02W483 Datasheet download pdf (Page 28)

User Manual 990-9178A

DC MX06 40A Shelf Page 28 of 44 18

FEB 02

4.1.3 3 Phase Star Supply

The MX06 40A Shelf can be used on any of the following supplies: 415V, 400V, 380V or 208V

phase to phase.

The maximum input current is 13A per phase on a 208Vac phase to phase supply and 7.2A per

phase on a 380Vac, 400Vac or 415Vac supply. Choose AC Input cabling rated accordingly and

colour coded as required for country/state concerned.

4.1.3.1 Rear access connection

To connect the input supply to the MX06 40A Shelf proceed as follows:

• The AC input current to the system should also be limited by an appropriate device in the

event of a short circuit as defined in EN60950 to protect the internal wiring of the end use

equipment. The device(s) should be rated accordingly.

• Ensure that the AC supply intended for connection is isolated, locked off and under single

operator control. Remove the rear cover to leave the view as shown below

• The main circuit board should have been configured for 3-phase star use by removal of LK2

and LK3. This is normally factory configured.

• First the safety earth connection should be connected to one of the studs labelled below

• Connect inputs: Phase 1 to AC1, Phase 2 to AC3, Phase 3 to AC5, Neutral to AC2, 4 or 6

(neutral is required as system is a star configuration)

• Connect the cables terminated with M4 ring crimps using the M4 x 8 screws supplied in the

accessory kit.

• Cables should exit through the top left knockout tab. If an alternative knockout is to be used

ensure additional insulation is used where cabling passes over secondary parts. Cables

should be routed as close to the top of the shelf using the supplied routing clips (see section

4.3 for further routing details.

• Refer to section 5 entitled “Commissioning the system” before applying AC power.

Safety

Earth

AC6

Phase 3

AC5

Phase 2

AC3

AC4 AC2

Safety

Earth

Top Left

LK3

LK2

Phase 1

AC1

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APC DCM00K02W483 Datasheet Page 28

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