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ALPHA Distribution Boards and Terminal Blocks

ALPHA 400 - DIN Wall-Mounted Distribution Boards - Delta Control

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© Siemens AG 2010<br />

<strong>ALPHA</strong> 8HP Molded-Plastic <strong>Distribution</strong> Systems<br />

Single Enclosures<br />

Enclosures with in-built 3VL circuit breakers<br />

■ Design<br />

1<br />

2<br />

2a<br />

2b<br />

3<br />

<strong>ALPHA</strong> 8HP, diagram of enclosure with 3VL circuit breakers<br />

4<br />

2b<br />

I2_13956<br />

1<br />

2<br />

2a<br />

2b<br />

Enclosure<br />

base part<br />

Assembly kit for<br />

circuit breaker<br />

Circuit breaker<br />

Door-coupling<br />

rotary operating<br />

mechanism<br />

Intermediate frame<br />

3<br />

4 Cover, opaque<br />

Features<br />

• Enclosure complete with in-built 3VL circuit breaker, doorcoupling<br />

rotary operating mechanism in black <strong>and</strong> terminals<br />

• <strong>Terminal</strong> covers <strong>and</strong> connecting bars for safe use with<br />

maximum possible rated current<br />

• All circuit breakers in size 3 enclosure with intermediate frame<br />

• Opaque covers<br />

• Emergency-Stop operating mechanisms on request<br />

Mounting instructions<br />

• Caution: The distribution board must be installed in<br />

accordance with the data in the table<br />

• Minimum volume (see table) of the flange-mounted distribution<br />

board on the enclosure with 3VL to accommodate the<br />

switching pressure on tripping (the supplementary enclosure<br />

does not have to be an empty enclosure)<br />

• Values valid for rated voltage of 415 V AC<br />

8<br />

Rated current I n<br />

Short-circuit strength I k<br />

10 kA 20 kA 27 kA 40 kA<br />

63 A 2<br />

3<br />

Min. enclosure<br />

volume 65 dm 3<br />

(e.g. enclosure with<br />

3VL plus<br />

size 2 top with high<br />

cover)<br />

3 Min. enclosure<br />

volume 90 dm 3<br />

(e.g. enclosure with<br />

3VL plus<br />

size 3 top with intermediate<br />

frame)<br />

3 Min. enclosure<br />

volume 90 dm 3<br />

(e. g. enclosure with<br />

3VL plus<br />

size 3 top with intermediate<br />

frame)<br />

3 3 3<br />

3 Min. enclosure<br />

volume 90 dm 3<br />

(e.g. enclosure with<br />

3VL plus<br />

size 3 top with intermediate<br />

frame)<br />

100 A 2<br />

3<br />

Min. enclosure<br />

volume 65 dm 3<br />

(e. g. enclosure with<br />

3VL plus<br />

size 2 top with high<br />

cover)<br />

3 Min. enclosure<br />

3<br />

volume 90 dm 3<br />

(e.g. enclosure with<br />

3VL plus<br />

size 3 top with intermediate<br />

frame)<br />

3<br />

3 Min. enclosure<br />

volume 90 dm 3<br />

(e.g. enclosure with<br />

3VL plus<br />

size 3 top with intermediate<br />

frame)<br />

4 Min. enclosure<br />

volume 135 dm 3<br />

(e.g. enclosure with<br />

3VL plus<br />

size 4 top with intermediate<br />

frame)<br />

3<br />

160 A 2<br />

3<br />

Min. enclosure<br />

volume 65 dm 3<br />

(e.g. enclosure with<br />

3VL plus<br />

size 2 top with high<br />

cover)<br />

3 Min. enclosure<br />

3<br />

volume 90 dm 3<br />

(e. g. enclosure with<br />

3VL plus<br />

size 3 top with intermediate<br />

frame)<br />

3<br />

3 Min. enclosure<br />

volume 90 dm 3<br />

(e.g. enclosure with<br />

3VL plus<br />

size 3 top with intermediate<br />

frame)<br />

4 Min. enclosure<br />

volume 135 dm 3<br />

(e.g. enclosure with<br />

3VL plus<br />

size 4 top with intermediate<br />

frame)<br />

3<br />

250 A 2<br />

3<br />

Min. enclosure<br />

volume 65 dm 3<br />

(e.g. enclosure with<br />

3VL plus<br />

size 2 top with high<br />

cover)<br />

4 Min. enclosure<br />

volume 135 dm 3<br />

(e.g. enclosure with<br />

3VL plus<br />

size 4 top with intermediate<br />

frame)<br />

3 3<br />

4 Min. enclosure volume<br />

135 dm 3<br />

(e.g. enclosure with<br />

3VL plus<br />

size 4 top with intermediate<br />

frame)<br />

3 Min. enclosure<br />

4<br />

volume 180 dm 3<br />

(e.g. enclosure with<br />

3VL plus<br />

size 4 top, plus size 3<br />

transverse, with intermediate<br />

frame)<br />

3<br />

Legend:<br />

Dark blue identifies enclosures with 3VL.<br />

Siemens ET A1 · 10/2009<br />

8/25

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