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3VT1 Molded Case Circuit Breakers up to 160 A
Accessories and Components
Motorized operating mechanisms
2/34
Siemens LV 36 · 2008
2
Overcurrent releases
Tripping characteristics: class M
The tripping time of the overcurrent release of 3VT1 circuit break-
ers with characteristic M at 7.2
I
n
corresponds to the release
class 10, 10 and 20 according to EN 60947-4-1.
Plate of the overcurrent releases with characteristic M
Rated short-circuit ultimate and service breaking capacity of
3-pole 3VT1 circuit breakers in DC circuits
Specifications
1)
in reverse connection of the circuit breaker (input terminals 2, 4, 6 and out-
put terminals 1, 3, 5),
I
cu
does not change.
Circuit breaker connection for circuits DC 250 V
Delay device
• The delay can be set at three levels (depending on connec-
tion)
• The 3VT9 00-1UX00 unit is inteded only for undervoltage
releases with U
e
= AC 230 V
Rated current
I
n
Order No.
Class
16
3VT1 701-2DM36-0AA0
10A
20
3VT1 702-2DM36-0AA0
10A
25
3VT1 792-2DM36-0AA0
10A
32
3VT1 703-2DM36-0AA0
10
40
3VT1 704-2DM36-0AA0
10
50
3VT1 705-2DM36-0AA0
20
63
3VT1 706-2DM36-0AA0
20
80
3VT1 708-2DM36-0AA0
20
100
3VT1 710-2DM36-0AA0
20
Order No.
3VT1 7..-2DM36-0AA0
Rated operational voltage U
e
DC 250 V
Rated ultimate short-circuit breaking
capacity
1)
(rms value)
I
cu
/U
e
25 kA/DC 250 V;
τ
= max. 5 ms
Rated service short-circuit breaking
capacity (rms value)
I
cs
/U
e
13 kA/DC 250 V;
τ
= max. 5 ms
Utilization category (switching mode)
DC-22A
Order No.
Description
Packing pc
3VT9 00-1UX00 Enables delayed tripping of undervoltage
releases of 3VT circuit breakers
1
Circuit breakers
Delay
1st level
2nd level
3rd level
s
s
s
3VT1
1
2
3.2
3VT2, 3VT3
0.6
1.2
1.9
3VT4, 3VT5
0.5
1
1.5
3VT1
3VT2,3VT3
3VT4/5
1 s
0,6 s
0,5 s
1
3 5
U
<
2+ 4 6 8
U
e
3VT1
3VT2,3VT3
3VT4/5
2 s
1,2 s
1 s
1
3 5
U
<
2+ 4 6 8
U
e
3VT1
3VT2,3VT3
3VT4/5
3,2 s
1,9 s
1,5 s
1
3 5
U
<
2+ 4 6 8
U
e
NSO0_00077
STOP
STOP
STOP