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Specialist in overvoltage protection
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Type 2 AC surge protector
DS44-320
Type 2 AC surge protector - 3-phase+N
DS44-320
Part Number:
461902
Type 2 AC Multipolar surge protector
In : 20 kA
Imax total : 160 kA
Pluggable module for each phase
Remote signaling option
NF EN 61643-11, IEC 61643-11 compliance
UL1449 ed.4
ULCertificate_DS44-320%.pdf
Installation Sheet
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used mainly for primary protection of single and 4- phase networks at the main electrical panel. They provide common-mode or common and differential mode. This SPD is based on high energy varistor equipped with thermal disconnector and failure indicator, to comply with standards. The DS40 surge protectors are designed to be used in a multipolar configuration to protect single-phase, 3-phase or 3-phase+Neutral AC networks.They are sometimes associated with dedicated N/PE surge protector based on gas tube technology.
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Electrical Properties
Mechanical Properties
Norms
Deconnector
Schemas
SPD type
2
Network
230/400 V 3-phase+N
AC system
TNS
Nominal line voltage
Un
230 Vac
Max. AC operating voltage
Uc
320 Vac
Temporary Over Voltage (TOV) Charasteristics - 5 sec.
UT
335 Vac withstand
Temporary Over Voltage (TOV) Charasteristics - 120 mn
UT
440 Vac disconnection
Residual Current
Ipe
< 1 mA
Operating current
Ic
0.5 mA
Follow current
If
None
Nominal discharge current
In
20 kA
Max. discharge current
Imax
40 kA
Total Maximum discharge current
Imax Total
160 kA
Connection mode(s)
L/PE and N/PE
Protection mode(s)
Common mode
Protection level
Up
1.5 kV
Admissible short-circuit current
Isccr
25 000 A
Technology
MOV
SPD configuration
3-phase+Neutral
Connection to Network
By screw terminals: 2.5-25mm² / by bus
Format
Plug-in modular box
Mounting
Symmetrical rail 35 mm (EN 60715)
Housing material
Thermoplastic UL94 V-0
Operating temperature
Tu
-40/+85°C
Protection rating
IP20
Failsafe mode
Disconnection from AC network
Disconnection indicator
1 mechanical indicator by pole
Spare module(s)
DSM40-320
Remote signaling of disconnection
option DS44S-320 : output on changeover contact
Dimensions
See diagram
Weight
0.356 kg
Standards compliance
IEC 61643-11 / EN 61643-11 / UL1449 ed.4
Certification
UL / EAC
Thermal disconnector
Internal
Installation ground fault breaker
Type 'S' or delayed
Fuses
Fuses type gG - 50 A
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