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Type 2 AC surge protector - 3-phase+N

DS44S-480
Part Number 33101421
DS44S-480
  • Type 2 AC Multipolar surge protector
  • In : 20 kA
  • Imax total : 160 kA
  • Pluggable module for each phase
  • Remote signaling
  • EN 61643-11, IEC 61643-11 compliance
  • UL1449 ed.5

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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Network
277/480 V 3-phase+N
AC system
TT-TN
Nominal line voltage
Un 480 Vac
Max. AC operating voltage
Uc 530 Vac
Temporary Over Voltage (TOV) Characteristics - 5 sec.
Without disconnection
UT 700 Vac withstand
Temporary Over Voltage (TOV) Characteristics - 120 mn
Without disconnection or with safety disconnection
UT 920 Vac disconnection
Residual Current
Leakage current to Ground
Ipe < 2 mA
Operating current
Continious current at Uc
Ic 0.5 mA
Follow current
If None
Nominal discharge current
15 x 8/20 µs impulses
In 20 kA
Max. discharge current
max. withstand @ 8/20 µs by pole
Imax 40 kA
Connection mode(s)
L/PE and N/PE
Protection mode(s)
Common mode/Differential mode
Protection level N/PE
@ In (8/20µs)
Up N/PE 2.5 kV
Protection level L/PE
@ In (8/20µs)
Up L/PE 2.5 kV
Admissible short-circuit current
Isccr 25 000 A
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)
DSM40-480
Remote signaling of disconnection
Output on changeover contact
Weight
0.405 kg
Certification
UL
Thermal disconnector
Internal
Installation ground fault breaker
Type 'S' or delayed
Back-up protection device
Fuses type gG - 50 A