DSF54CP385 CARLO GAVAZZI Selected parameters MONITORED VARIABLE Surge protection Others SIZE 72 mm POWER SUP.. View larger
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DSF54CP385 CARLO GAVAZZI Selected parameters MONITORED VARIABLE Surge protection Others SIZE 72 mm POWER SUP..

DSF54CP385

DSF54CP385

CARLO GAVAZZI

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Selected parameters MONITORED VARIABLE Surge protection Others SIZE 72 mm POWER SUPPLY RANGE Type 2 MONITORING FUNCTION Protection for AC systems MOUTING DIN-rail INPUT RANGE 385VAC

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Monitoring Relays
Surge Arresters for AC systems
Type DSF A/P
• Type 2 (class C) according to EN61643-11 (VDE 0675, part 6-11)
• Approved UL1449 3rd Edition
• Complies with IEC-61643-1, UTE C 61-740-51
• Do not require backup fuse up to 200kArms (UL 1449 3rdEd.)
• Innovative tecnology to prevent dangerous failures in case of temporary overvoltages
• Suitable for unstable networks where sustainend over- voltages may persist for some minutes or longer
• Plug-in cartridges
• Optical indication of exhausted cartridges (red window)
• Voltage-free contact, for remote function monitoring
• Including thermal and dynamic separating device
• Assembled unit ready for mounting
• Marked connections
• For DIN-rail mounting
Product Description Ordering Key
DSF 52 C A 277
DSF A/P are Type 2 (Class C) surge arresters according to EN 61643-11 (VDE 0675, part 6-11) and UL1449 3rd edition suitable for protect- ing AC systems from tran- sient overvoltage due to both indirect atmospheric discharges and switching actions.
It is available for both single
and three phase AC lines, TN-S and TN-C.
The control windows (no/red indication) and the contact allow both a local and a remote monitoring of the status of the plug-in car- tridges, warning the opera- tor about the need to promptly replace the car-
tridges themselves.
These surge protecting devices are Tipe II hence suitable for installation in main distribution cabinet, or secondary distribution board, in installations with- out external LPS (Lightning Protection System) or where the distance between the LPS elements and the solar panel frames is >50m.
These devices do not require any external backup fuse thus saving space and cost. In according to UL1449 3rd Ed. and UTE C
61-740-51 DSF and can be
installed on a DIN-rail in any commercially available dis- tribution box.
Description Code
Mounting
DIN-rail D
Function
Surge arresters S
Type
Type 2 (class C) “Fuseless” F
Cartridge dimensions
17.5 mm 5
Configuration
Single pole 1
Two poles (2+0) 2
Three poles (3+0) 3
4 poles (4+0) 4
Contact
None X
1 (relay) C
Network
AC 1 phase A
AC 3 phases P
MCOV (AC)
150 VAC 150
300 VAC 277
385 VAC 385
460 VAC 440
550 VAC 550
750 VAC 750
No backup-fuse tecnology
Long duration overvoltage path
The arrester is activated in the event of electric power system failure. The voltages are much lower than transient voltages
but substantially more destructive. The
system is composed of a current limiter a
and a varistor. In the event of increased voltage level the current limiter circuit lim- its the current through the varistor. When the normal condition is re-established (rat- ed line voltage), the surge arrester contin- ues to perform its normal function.
Transient (short duration) overvoltage path The arrester is activated at the occurence of instantaneous high voltage surges last- ing only a few microseconds. Such condi-
tion states are experienced at switching
b operations and atmospheric discharges.
The system is composed of a gas tube surge arrester and a varistor. Both compo-
c nents have a very short response time
which is reflected in a low protective resid- ual voltage level. This provides an efficient
d protection of sensitive electronic devices.
a) Current limiter b) Gas tube c) Thermal disconnector d) Varistor
1 Specifications are subject to change without notice. Pictures are just an example. For special features and/or customization, please ask to our sales network. REV0 100713

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pdf1-mostradoSelected parameters MONITORED VARIABLE Surge protection Others SIZE 72 mm POWER SUPPLY - CARLO GEnglish748 Kbytespdf1-mostradoSelected parameters MONITORED VARIABLE Surge protection Others SIZE 72 mm POWER SUPPLY - CARLO G
pdf1-Selected parameters MONITORED VARIABLE Surge protection Others SIZE 72 mm POWER SUPPLY - CARLOEnglish12 Mbytespdf1-mostradoSelected parameters MONITORED VARIABLE Surge protection Others SIZE 72 mm POWER SUPPLY - CARLO G

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