Speedfax 2017

Siemens Unit Substation Solutions
5 – 15 kV SIEBREAK Metal-Enclosed Load Interrupter Switchgear
Technical Data
Rated voltage Type 5 kV 15 kV
Rated frequency
50/60 Hz
Rated duration power frequency withstand voltage 19 kV 36 kV
Rated lightning impulse withstand voltage (BIL) 60 kV 95 kV
Fuse short circuit current rating Current Limiting 50 kA 50 kA
Expulsion 37.5 29.4
Switch rating Continuous Current 600 A and 1200 A
Interrupting rms
25 kA and 38 kA
Momentary rms
40 kA, 61 kA, 80 kA
Assembly rating Main bus continuous current 1200 A and 2000 A
Short-time 2 second
25kA and 38 kA
14
SWITCHGEAR
Fuse Selection Table
System
Voltage
Fuse
type a
Symmetrical
Interrupting kA
Equivalent
MVA 500 kVA 750 kVA 1000 kVA 1500 kVA 2000 kVA 2500 kVA 3000 kVA 3750 kVA 5000 kVA
2400 CL-14 50 260 200 250 400 500 600 — — — —
RBA400 37.5 155 200 250 400 — — — — — —
RBA800 37.5 155 — — — 540 720 — — — —
4160 CL-14 50 450 100 125 200 300 500 500 — — —
RBA400 37.5 270 100 150 200 300 400 — — — —
RBA800 37.5 270 — — — — 540 540 — —
4800 CL-14 50 520 80 125 200 250 400 450 — — —
RBA400 37.5 310 100 125 200 250 400 400 — — —
RBA800 37.5 310 — — — — — — 540 — —
7200 CL-14 50 620 65 80 125 200 250 300 — — —
RBA400 29.4 365 65 80 125 200 250 300 400 — —
RBA800 29.4 365 — — — — — — — 450 —
12470 CL-14 50 1079 40 50 65 100 125 200 200 250 —
RBA400 29.4 635 40 50 80 100 150 200 200 250 400
RBA800 29.4 635 — — — — — — — — —
13200 CL-14 50 1143 30 50 65 100 125 150 200 250 300
RBA400 29.4 672 30 50 65 100 125 150 200 250 300
RBA800 29.4 672 — — — — — — — — —
13800 CL-14 50 1195 30 50 65 100 125 150 200 250 300
RBA400 29.4 702 30 50 65 100 125 150 200 250 300
RBA800 29.4 702 — — — — — — — — —
Notes:
a Incoming cables available top or bottom entry
b Transformer connection available left side or right side
c Auxiliary devices not available with selector and front access
d Outdoor width include 18-inch (457 mm) liquid-filled transformer termination section
e For outdoor dry type transformer, add 2.67 inches (67 mm) to the width for termination
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Siemens Industry, Inc. SPEEDFAX Product Catalog