10116 Ing Vers 2012 - Lab Openlab

 STAR/DELTA SWITCHING STARTER DL 10116

Openlab Laboratory

DL 10116

OVERVIEW DL 10116 allows star/delta starting of three-phase motor, to be used in DE LORENZO electric machine laboratories. The switch can be also used for electric machines of other manufacturers, provided they have the same features.

MECHANICAL FEATURES DL 10116 is realized in a fire varnished metal housing, with a clear synoptic printed through silkscreening process.

ELECTRICAL CHARACTERISTICS Nominal voltage CEI 23 – 11

500V

Nominal thermal current Ith

16A

Electric life (number of operation)

3 x 106

Allowable overload

3s 10s 30s 60s

130A 70A 40A 30A

3 x 220V 3 x 380V 3 x 500V

3 kW 5 kW 6 kW

Interruption for motors in AC3, AC23 category (30 operations/h) Rated power three-phase motors

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DL 10116

OPERATING FEATURES Turn the knob of DL 10116 on position "0". The terminals L1, L2 and L3 are not connected to terminals U1, U2, V1, V2, W1 and W2. Setting the knob on position "Y" the following terminals are connected:  L1 with U1  L2 with V1  L3 with W1 Terminals U2, V2 and W2 are interconnected to obtain a star connection. Setting the knob on position "Δ " the following terminals are connected:  L1 with U1 and W2  L2 with V1 and U2  L3 with W1 and V2 It is possible to check the above with a standard ohm-meter.

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DL 10116

HOW TO USE DL 10116 The use of DL 10116 is simple; please refer to the following figure.

L1

L2

L3

DE LORENZO

0 Y

0

Y U1

V1

W1

W2

U2

V2

PE

U1

U2

U5

U6

V1

V2

V5

V6

W1

W2

W5

W6

Motor with short-circuited rotor

DE LORENZO

It is important that you first connect the ground terminal to a good ground socket.

MAINTENANCE The module does not need special maintenance and can be easily checked. In case of malfunctioning, FIRSTLY DISCONNECT ALL THE TERMINALS, then open the module to gain access to the internal components. It is enough to check that the components and the connections are in accordance with the electrical diagram and properly working. ver a20120611

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