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Mounting and wiring

BK3xx0 19Version: 4.3.0

Fig.5: Dimensions, using BK3120 and LC3100 as examples

The total width in practical cases is composed of the width of the Bus Coupler with the KL9010 Bus End

Terminal and the width of the Bus Terminals in use. Depending on function, the Bus Terminals are 12mm or

24mm wide. The front wiring increases the total height of 68mm by about 5mm to 10mm, depending on

the wire thickness.

Mechanical

data

BK30x0, BK35x0, KL3110,

BK3120

BK3150 LC3100

Material polycarbonate, polyamide (PA 6.6)

Dimensions

(W x H x D)

50mm x 100mm x 68mm 44mm x 100mm x 68mm 21mm x 100mm x 68mm

Mounting on 35 mm mounting rail according to EN60715 with locking mechanism

Stackable by double groove-tongue connection

Labelling Standard terminal block labelling and text slide (8 mm x 47 mm, not BK3150)

3.3 Mounting

The Bus Coupler and all the Bus Terminals can be clipped, with a light press, onto a 35mm mounting rail. A

locking mechanism prevents the individual housings from being pulled off again. For removal from the

mounting rail the orange colored tension strap releases the latching mechanism, allowing the housing to be

pulled off the rail without any force.

Beckhoff BK3120 User Manual

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