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Electrical installation

Power c onnections

Terminal assignment of the power connections



EDBCSXKXXX EN 1.0

5.4 Power connections

5.4.1 Terminal assignment of the power connections

Terminal Function Electrical data

X23 Connection of DC-bus voltage

X23/+UG

Positive suppl

DC-bus volta

X23/-UG

Dependent on application and type

X23/-UG

ative suppl

DC-bus volta

0 ... 770

X23/PE

Earth connection

5.4.2 Fusing the DC-bus supply

When ECSxE power supply modules with a mains-side protection are used, the DC-bus

cables do not need to be fused.

When using capacitor modules in the DC-bus connection with basic devices of the 82xx

and 93xx series, use the following fuses:

Fuse Support

Value [A] Lenze type Lenze type

50 EFSGR0500ANIN EFH20007

 Warnings!

Use UL-approved cables, fuses and fuse holders only.

UL fuse:

– Voltage 500 ... 600 V

– Tripping characteristic ”H”, ”K5” or ”CC”

5.4.3 Specification of the cables used

The cables used must comply with the required approvals at the place of installation

(e.g.UL).

Installation of the cables to EN 60204-1 (1998)

Shielded cables

Observe the following to increase the effect of shielded cables:

ƒ A good shield connection:

– Ensure a contact surface as large as possible

ƒ Low shield resistance:

– Only use shields with tin-plated or nickel-plated copper braids (shields with steel

braids cannot be used).

ƒ High contact ratio of the shield braid:

– At least 70 ... 80 % with 90 ° overlap angle

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