Siemens AC-21A - Manual (Page 11)

Siemens LV 10 · 2004 7/11
SENTRIC Switch Disconnectors
SENTRIC LD Main Control and EMERGENCY STOP Switches from 16 A to 125 A
Accessories
7
DT 3LD2 5 PS* Weight
per PU
approx. DT 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 A 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.