SIEMENS
13/132
Siemens IC 10 · 2017
SIRIUS 3SB2 Pushbuttons and Indicator Lights, 16 mm
General data
13
■
Technical specifications
Type
3SB2
Contact blocks and lampholders
Standards
IEC 60947-5-1, EN 60947-5-1
IEC 60947-5-5, EN 60947-5-5
Rated insulation voltage
U
i
V
250
Conventional thermal current
I
th
A
10
Rated operational currents
I
e
at rated operational voltage
U
e
• Alternating current AC-12
- At
U
e
= 24 ... 230 V
A
10
• Alternating current AC-15
- At
U
e
= 24 ... 230 V
A
4
• Direct current DC-12
- At
U
e
= 24 V
A
6
- At
U
e
= 60 V
A
5
- At
U
e
= 110 V
A
2.5
- At
U
e
= 230 V
A
1
• Direct current DC-13
- At
U
e
= 24 V
A
3
- At
U
e
= 60 V
A
1.5
- At
U
e
= 110 V
A
0.7
- At
U
e
= 230 V
A
0.3
Contact stability
• Test voltage/test current
5 V/1 mA
Lamps
• Bases
Wedge base W2 x 4.6 d
• Rated voltage
V
6, 12, 24, 30, 48, 60
• Rated power, max.
W
1
Short-circuit protection
weld-free according to IEC 60947-5-1
• DIAZED fuse links, utilization category gG
10 A TDz, 16 A Dz
• Miniature circuit breaker with C characteristic according to IEC 60898
10 A
Electrical endurance
• For utilization category AC-15 with 3RT10 15 to 3RT10 26 contactors
10 x 10
6
operating cycles
Mechanical endurance
10 x 10
6
operating cycles
Degree of protection
acc. to IEC 60529
• Connection of contact blocks and lampholders behind the front plate
IP00
• Contact chambers of the contact blocks behind the front plate
IP40
Finger-safe
according to IEC 60529 and Reg. 3
With voltages > 50 V AC or 120 V DC, insulating sleeves must be
fitted to the unassigned tab connections.
Data according to UL and CSA
Rated voltage
• Contact blocks
V
250 AC
• Indicator lights (lamp with wedge base W2
4.6 d)
V
60; 1 W
Uninterrupted current
A
5
Switching capacity
B 300, R 300
Actuating and signaling elements
Mechanical endurance
• Pushbuttons
10 x 10
6
operating cycles
• Actuating elements, rotary or latching
3 x 10
5
operating cycles
• Illuminated pushbuttons
3 x 10
6
operating cycles
Climatic withstand capability
Climate-proof; suitable for marine applications
Ambient temperature
• During operation, non-illuminated devices and complete with LED
°C
–25 ... +70
• During operation, devices with incandescent lamp
°C
–25 ... +60
• During storage, transport
°C
–40 ... +80
Degree of protection
acc. to IEC 60529
• Actuators and indicators
IP65
• Actuators and indicators with protective cap
IP67
Protective measures
• For mounting in metal front plates and enclosures
The actuators and lens assemblies must not be included in the
protective measures.
• For fitting into enclosures with total insulation
The protective measure "Total insulation" is retained.
Shock resistance
acc. to IEC 60068-2-27
• Shock amplitude
50
g
• Shock duration
ms
11
• Shock form
Half-sine
© Siemens AG 2016