Power supplies SITOP power LOGO!Power Catalog K T 10.1 2004

Technical information and configuration
Fusing of the output circuit 24 V DC,
selectivity
■ Miniature circuit-breakers in 24 V DC circuits which are powered by SITOP power supply units
Technical specifications
Type 20 A 40 A
Order No. 6EP1 436-2BA00 6EP1 437-2BA10
Input Three-phase Single-phase, two-phase
Rated voltage V in rated 400-500 V 3 AC 400-500 V AC
Output Stabilized, floating direct voltage Stabilized, floating direct voltage
Rated voltage V out rated 24 V DC 24 V DC
Rated current I out rated 20 A 40 A
Dyn. V/I with short-circuit in operation, typ. Approx. 30 A constant current 70 A for 600 ms
Tripping of output m.c.b
The following are approximately available for selective tripping in practice
SITOP, dyn. V/I - 50% I out rated , typ. 20 A (without interruption) 50 A for 600 ms
CBs to IEC 898, type 5SY4 1.., selectively
trippable in approx. 12 ms
1 A Type A (trips at 5 A DC after typ. 12 ms)
1 A Type C (trips at 14 A DC after typ. 12 ms)
1.6 A Type A (trips at 8 A DC after typ. 12 ms)
- 1.6 A Type C (trips at 22.4 A DC after typ. 12 ms)
2 A Type A (trips at 10 A DC after typ. 12 ms)
- 2 A Type C (trips at 28 A DC after typ. 12 ms)
3 A Type A (trips at 15 A DC after typ. 12 ms)
- 3 A Type C (trips at 42 A DC after typ. 12 ms)
4 A Type A (trips at 20 A DC after typ. 12 ms)
- 6 A Type A (trips at 30 A DC after typ. 12 ms)
- 6 A Type B (trips at 42 A DC after typ. 12 ms)
- 8 A Type A (trips at 40 A DC after typ. 12 ms)
- 10 A Type A (trips at 50 A DC after typ. 12 ms)
Siemens CB terminals, Type 8WA1 011...,
selectively trippable in approx. 12 ms
2 A Order No. 8WA1 011-1SF25 (trips at 7.6 A DC after max. 12 ms)
4 A Order No. 8WA1 011-1SF26 (trips at 15.2 A DC after max. 12 ms)
- 6 A Order No. 8WA1 011-1SF27 (trips at
22.8 A DC after max. 12 ms)
- 10 A Order No. 8WA1 011-1SF28 (trips at
38 A DC after max. 12 ms)
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Siemens KT10.1 · 2004