Siemens SENTRON 3VL series, System Manual

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System overview
4.2 Key data
3VL molded-case circuit breakers
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System Manual, 03/2009, 110 0110 - 02 DS 01
4.2 Key data
4.2.1 General data - 3VL molded-case circuit breakers
Type VL160X
3VL1
VL160
3VL2
VL250
3VL3
VL400
VL4
VL630
3VL5
VL800
VL6
VL1250
3VL7
VL1600
3VL8
Max. rated current I
n
[A] 160 160 250 400 630 800 1250 1600
N pole [A] 160 160 250 400 630 800 1250 1600
Rated insulation voltage V
i
in accordance with IEC 60947-2
Main current paths [V AC] 800 800 800 800 800 800 800 800
Auxiliary circuits [V AC] 690 690 690 690 690 690 690 690
Rated impulse withstand voltage V
imp
Main current paths [kV] 8 8 8 8 8 8 8 8
Auxiliary circuits [kV] 4 4 4 4 4 4 4 4
Rated operating voltage U
e
IEC 50/60 Hz [V AC] 690 690 690 690 690 690 690 690
IEC 50/60 Hz (V DC
2)
) 500 600 600 600 600 -
1)
-
1)
-
1)
NEMA 60 Hz (V AC) 600 600 600 600 600 600 600 600
Utilization category
(IEC 60947-2)
A A A A A
B
3)
A
B
3)
A
B
3)
A
B
3)
Permissible ambient temperature
4)
Operation [°C] -25 to
+70
-25 to
+70
-25 to
+70
-25 to
+70
-25 to
+70
-25 to
+70
-25 to
+70
-25 to
+70
Storage [°C] -40 to
+80
-40 to
+80
-40 to
+80
-40 to
+80
-40 to
+80
-40 to
+80
-40 to
+80
-40 to
+80
Permissible load at different ambient temperatures
in the immediate vicinity of the circuit breaker, related to the rated current of the circuit breaker
•
Circuit breaker for system protection
TM/ETU up to 50 °C [%] 100 /- 100 / 100 100 / 100 100 / 100 100 / 100 - / 100 - / 100 - / 100
TM/ETU up to 60 °C [%] 93 / - 93 / 95 93 / 95 93 / 95 93 / 95 - / 95 - / 95 - / 95
TM/ETU up to 70 °C [%] 86 / - 86 / 80 86 / 80 86 / 80 86 / 80 - / 80 - / 80 - / 80
• Circuit breakers for motor protection
Up to 50 °C [%] - 100 100 100 100 - - -
At 60 °C [%] - 95 95 95 95 - - -
At 70 °C [%] - 80 80 80 80 - - -
• Circuit breakers for starter combinations and non-automatic air circuit breakers
up to 50 °C [%] 100 100 100 100 100 100 100 100
At 60 °C [%] 93 93 93 93 93 93 93 93
At 70 °C [%] 86 86 86 86 86 86 86 86