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Installation and Operating Instructions
EN
CHAPTER 3
TECHINCAL DATA
SilentBox® SB EC . . . EC Centrifugal Fan Boxes
3 .0
SilentBox SB EC . . . type overview
3 .1
Type plate
Example:
ä
ü
Æ
11
Key for fan type plate:
ò Manufacturer's address
ù Fan label:
CE = CE mark
ä Version:
SB EC = type designation
355
= size
ë Item number
ö Production code / year of manuf.
The fan can be clearly identified by the ref. no., SNR (serial number) and PC (production code) numbers.
3 .1 .1 Motor type plate
Technical data about the motor can be found on the motor type plate!
SilentBox – EC Centrifugal Fan Box
with variable speed control and an energy-
efficient impeller with backward-curved bla-
des. Impeller types SB EC 125 A and SB
EC 160 A with forward-curved blades.
A
SB EC 125 A
367
SB EC 125 B
438
SB EC 160 A
367
SB EC 160 B
438
SB EC 200 . .
504
SB EC 250
604
SB EC 315 . .
704
704
SB EC 355
804
SB EC 400 . .
ò
ù
ë
ö
Å
î
Ø
12
ü Nominal voltage or voltage range / Frequency
Å Nominal current
î Total input power
Ø max. flow medium temp. at rated operation
Æ Nominal speed
Protection class / motor insulation class / cosine
11
Installation and operating instructions/print no.
12
4
ø D
B
C
E
400
246
125
135
460
266
125
144
400
266
160
152
460
266
160
152
503
345
200
168
583
395
250
193
687
464
315
228
687
516
355
253
825
572
400
284
Fig .1
F
124
136
136
136
168
192
246
247
284
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