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BETA Protecting
Residual Current Protective Devices
5
SM3 RCCBs, type A
2/4
Siemens ET B1 · 10/2008
2
*
You can order this quantity or a multiple thereof.
■
Technical specifications
Instantaneous SIGRES
Super resistant Selective
Standards
IEC/EN 61008-1 (VDE 0664-10); IEC/EN 61008-2-1 (VDE 0664-11);
IEC/EN 61543 (VDE 0664-30)
Approved acc. to
IEC 61008-1, IEC 61008-2-1; DIN EN 61008-1, DIN EN 61008-2-1
Surge current withstand capability
With current waveform 8/20 μs Acc. to DIN VDE 0432-2
kA
> 1
> 3
> 5
Minimum operational voltage for test function operation
V AC
100
Terminal conductor cross-sections
•
For 2 MW
At
I
n
= 16 A, 25 A, 40 A
mm
2
1.0 ... 16
At
I
n
= 100 A, 125 A
mm
2
1.5 ... 50
--
--
--
•
For 2.5 MW
At
I
n
= 63 A, 80 A
mm
2
1.5 ... 25
•
For 4 MW
At
I
n
= 25 A, 40 A, 63 A, 80 A mm
2
1.5 ... 25
At
I
n
= 125 A
mm
2
2.5 ... 50
--
--
2.5 ... 50
Terminal tightening torque
•
Up to
I
n
= 80 A
Nm
2.5 ... 3.0
•
At
I
n
= 100 A, 125 A
Nm
3.0 ... 3.5
--
--
3.0 ... 3.5
Mains connection
Top or bottom Bottom
Top or bottom
Mounting position
Any
Degree of protection
Acc. to EN 60529
(
VDE 0470-1)
IP20, with connected conductors
Touch protection
Acc. to EN 50274
(
VDE 0660-514)
Finger and back-of-hand safe
Service life
Test cycle according to
IEC/EN 61008
Switching
cycles
> 10 000
Storage temperature
°C
-40 ...
+75
Ambient temperature
°C
-25 ...
+45,
Marked with
Resistance to climate
Acc. to IEC 60068-2-30
28
cycles (55 °C; 95 % rel. humidity)
CFC and silicone-free
Yes
-25
-25
(
Type A)
© Siemens AG 2008