BETA Protecting
Miniature Circuit Breakers
5
SJ4 miniature circuit breakers to UL and IEC
1/43
Siemens ET B1 · 10/2008
1
*
You can order this quantity or a multiple thereof.
■
Technical specifications
1)
For detailed information on rated switching capacity, see page 1/56.
5
SJ4 . . .-.HG40
5
SJ4 . . .-.HG41
5
SJ4 . . .-.HG42
Standards
EN 60898; EN 60947-2; UL 489; CSA C22.2 No. 5-02
Approved acc. to
UL 489; CSA C22.2 No. 5-02; UL File No. E243414
Tripping characteristic
B, C, D
C, D
Operational voltage
Min. V AC/DC 24
•
Acc. to IEC 60898
Max. V DC/pole 60
Max. V AC 440
•
Acc. to UL 489 and CSA C22.2 No. 5-02
Max. V AC 240/120
240
480/277
V DC/1P 60
V DC/2P --
125
Rated breaking capacity
•
I
cn
acc. to IEC 60898-1
kA AC 10
•
Acc. to UL 489 and CSA C22.2 No. 5-02
kA AC 14/10
1)
14/10
1)
10
1)
Insulation coordination
•
Rated insulation voltage
V AC 250
250/440
•
Degree of pollution for overvoltage category
3/
III
Touch protection acc. to EN 50274
Yes
Handle end position, sealable
Yes
Degree of protection acc. to EN 60529
IP20, with connected conductors
CFC and silicone-free
Yes
Mounting
On standard mounting rail
Terminals
•
Combined terminals at both ends
Yes
•
Terminal tightening torque
Nm
lb. in
3.5
31
Conductor cross-sections
•
AWG cables
AWG
mm
2
14 ... 4
•
Solid and stranded
0.75 ... 35
•
Finely stranded, with end sleeve
mm
2
0.75 ... 25
Mains connection
Any
Mounting position
Any
Average service life, with rated load
20 000
actuations
Ambient temperature
°C
-25 ...
+45, occasionally +55, max. 95 % humidity,
storage temperature: -40 ... +75
Resistance to climate acc. to IEC 60068-2-30
6
cycles
Resistance to vibrations acc. to IEC 60068-2-6
m/s
2
60
at 10 ... 150 Hz
Version
Busbars
Terminals
Type
5
ST3 663
5
ST3 664
5
ST3 665
5
ST3 666-0HG
5
ST3 666-2HG
Standards
UL 489
Certifications
UL 489; UL File No. E243414
Operational voltage
•
Acc. to IEC
V AC 690
•
Acc. to UL 489
V AC 480Y/277 and 240
Rated conditional short-circuit current
kA
15
kA (with NH3 355A gL/gG 500 V)
•
Dielectric strength
kV/mm 30
•
Surge strength
kV
> 9.5
Rated current up to 40 °C ambient temperature
A
115
Insulation coordination
•
Degree of pollution
2
•
Overvoltage category
III
Busbar cross-section (Cu)
mm
2
16
Infeed
Any
Conductor cross-sections
•
AWG cables
AWG --
14 ... 2
14 ... 1
•
Solid and stranded
mm
2
--
2.5 ... 35
2.5 ... 50
Terminals
•
Terminal tightening torque
Nm --
3.3
3.3
lb. in --
30
30
Temperature resistance
°C
200 –
UL 94-V0/0.4 mm
© Siemens AG 2008




