Siemens AC-21A User Manual download pdf (Page 11)

Siemens LV 10 · 2004

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SENTRIC Switch Disconnectors

SENTRIC LD Main Control and EMERGENCY STOP Switches from 16 A to 125 A

Accessories

DT 3LD2 5 PS* Weight

per PU

approx.

3LD2 7 and

3LD2 8

PS* Weight

per PU

approx.

Order No. Order No.

For mounting on the front

3LD9 2.0-0B 3LD9 2.0-2B

4th contact

(N conductor)

for front mounting

leading switch-on,

delayed switch-off

}

3LD9 250–0B 1 unit 0.079 } 3LD9 280–0B 1 unit 0.101

N or PE/ground terminal

continuous

}

3LD9 250–2B 1 unit 0.072 } 3LD9 280–2B 1 unit 0.092

3LD9 2.0-3B 3LD9 2.0-5B

Auxiliary switch

for mounting on the left and/or

right

delayed switch-on,

leading switch-off

1 NO + 1 NC A 3LD9 250–5B 1 unit 0.047 A 3LD9 280–5B 1 unit 0.047

1 NO A

3LD9 250–3B 1 unit 0.029 A 3LD9 280–3B 1 unit 0.030

1 NC A

3LD9 250–4B 1 unit 0.028 A 3LD9 280–4B 1 unit 0.029

Auxiliary switch

for mounting on left and/or right

delayed switch-on,

with gold-plated contacts

for SIMATIC request A 3LD9 220–3B 1 unit 0.029 A 3LD9 220–3B 1 unit 0.029

Labelling plate

English/German

3LD9 286–1A 1 unit 0.005 A 3LD9 286–1A 1 unit 0.005

For front and base mounting

Rotary operating mechanism

lockable in 0 position

with max. 3 padlocks

3LD9 286-1A

3LD9 2.4-1A

For four-hole mounting

black A 3LD9 284–1B 1 unit 0.154 A 3LD9 284–1B 1 unit 0.154

red/yellow A

3LD9 284–3B 1 unit 0.152 A 3LD9 284–3B 1 unit 0.152

For center-hole mounting

black A 3LD9 284–1D 1 unit 0.155 –

red/yellow A 3LD9 284–3D 1 unit 0.155 –

Labelling plate

English/German

A 3LD9 286–1A 1 unit 0.005 A 3LD9 286–1A 1 unit 0.005

3LD9 2.1-0A 3LD9 2.1-2A

Terminal cover as

additional touch protection

For snapping on at top and

bottom

1-pole (1 pack = 100 units) A 3LD9 251–2A 4 units 0.125 A 3LD9 281–2A 1 unit 0.006

3-pole (1 pack = 4 units) A

3LD9 251–0A 1 unit 0.009 –

4-pole (1 pack = 4 units) – –

For base mounting and for distribution board mounting

3LD9 2.0-0C

3LD9 2.0-2C

4th contact

(N conductor)

for mounting on the rear

leading switch-on

delayed switch-off

}

3LD9 250–0C 1 unit 0.080 } 3LD9 280–0C 1 unit 0.102

N or PE/ground terminal

continuous

}

3LD9 250–2C 1 unit 0.073 } 3LD9 280–2C 1 unit 0.093

Auxiliary switch

for mounting on the left

and/or right

delayed switch-on,

leading switch-off

1 NO + 1 NC A 3LD9 250–5C 1 unit 0.047 A 3LD9 280–5C 1 unit 0.047

1 NO A

3LD9 250–3C 1 unit 0.030 A 3LD9 280–3C 1 unit 0.029

1 NC A

3LD9 250–4C 1 unit 0.029 A 3LD9 280–4C 1 unit 0.029

Labelling plate

English/German

A 3LD9 286–1A 1 unit 0.005 A 3LD9 286–1A 1 unit 0.005

* This quantity or a multiple thereof can be ordered.

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Siemens AC-21A User Manual Page 11

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