Maintenance - Siemens 3SB3 Betriebsanleitung

Illuminated pushbutton (plastic and metal program)
The required contact carrier for lamp holder and contact block(s) is supplied.
For assembly, Fig. IXa
Selector switch, key selector switch, twin pushbutton
program)
For assembly of 3 contact blocks an additional carrier with pushers is requi-
red (not supplied). For assembly, Fig. IXb
For assembly of the contact blocks, Fig. Xa
For removing of the contact blocks, Fig. Xb
For assembly of the push-button cap insert
gram, Fig. XIa, b, e
A Sealing cap
B Insert label
Button
C
For assembly of the push-button cap insert
gram, Fig. XIIa, b, e
A Sealing cap
B Insert label
Button
C
Connection
Permissible conductor
Screw connection
Single wire multi strand with wire-end sleeves
Single wire single strand
Single wire single strand
with wire-end sleeves per DIN 46228
Soldered connection
For metal gear holder grounding connections, Fig. XIII
When grounding the metal gear holder additional space is required to
accommodate grounding connection.
Torx screw may be tightened further to insure connection through painted
surface if necessary.
When using non-metallic panel or enclosure grounding is recommended for
voltages over 48 V.
Grounding is required for voltages over 48 V (DIN 57 106, part 1)!
(Grounding screw not provided with gear holder, screw size:
M3 x 4.5 mm, thread forming).
Operation
For assignment of the sequence and function numbers of contact blocks
and lamp holders, Fig. XIV.
a 1pole contact blocks
b 2pole contact blocks
NO contacts are identified by .3 and .4, NC contacts by .1 and .2, lamp hol-
ders by X1 and X2.
4
(plastic and metal
(accessories),
for plastic pro-
(accessories),
for metal pro-
2 x 0.5 to 1.5 mm²
2 x 1 to 2.5 mm²
2 x 0.5 to 0.75 mm²
Solder pin 0.8 x 0.8 mm

Maintenance

For changing lamps of the plastic program, Fig. XIa to e.
For dismantling of the square pilot light lense, Fig. XIf.
For changing lamps of the metal program , Fig. XIIa to e.
For dismantling of the round pilot light lense (metal program), Fig. XIIf.
Technical data
Permissible operating ambient temperature -25 °C to +60 °C
Rated insulation voltage U
i
- Screw connection
- Soldered connection
Continuous thermal current I
th
Rated operating voltage U
e
(50 Hz to 60 Hz AC)
Rated operating current I /AC-12
e
with screw connection I /AC-15
e
with soldered connection I /AC-15
e
U (DC current)
e
I /DC-12
e
I /DC-13
e
Short-circuit protection
(without welding per DIN VDE 0660 Part 200)
DIAZED-fuse links
Miniature circuit breaker
C-characteristic per DIN VDE 0641
u- and s-data
Rated voltage
Contact blocks
Lamp holder
Continuous current
Switching capacity
See catalog for further details.
400 V
250 V
10 A
V 24 48 120 240
A 10 10 10 10
A 6 6 6 6
A 4 4 4 4
V 24 48 120 240
A 10 5 2.5 1
A 3 1.5 0.7 0.3
10 A TDz, 16 A Dz
10 A
300 V AC
125 V AC; 2.5 W; BA 9s
60 V AC; 1 W; Wedge-base W2 x 4.6 d
10 A
A300; R300; A600 same polarity
400
10
3
2