DS44-480

Part Number: 461006

Installation Sheet

SPD type following IEC test	2
Network	277/480 V 3-phase+N
AC system	TNS/IT
Nominal line voltage	480 Vac
Max. AC operating voltage L-N	530 Vac
Temporary Over Voltage (TOV) Charasteristics - 5 sec. without disconnection	700 Vac withstand
Temporary Over Voltage (TOV) Charasteristics - 120 mn without disconnection or with safety disconnection	920 Vac disconnection
Residual Current Leakage current to Ground	< 2 mA
Operating current Continious current at Uc	0.5 mA
Follow current	None
Nominal discharge current 15 x 8/20 µs impulses	20 kA
Max. discharge current max. withstand @ 8/20 µs by pole	40 kA
Total Maximal discharge current max. total withstand @ 8/20 µs	160 kA
Admissible short-circuit current	25000 A
Connection mode(s)	L/PE and N/PE
Protection mode(s)	Common mode
Protection level @ In (8/20µs)	2.5 kV

Technology	MOV
SPD configuration	3-phase+Neutral
Connection to Network	By screw terminals: 2.5-25 mm² / by bus
Format	Plug-in modular box
Mounting	Symmetrical rail 35 mm (EN60715)
Housing material	Thermoplastic UL94-V0
Operating temperature	-40/+85°C
Protection rating	IP20
Failsafe behavior	Disconnection
Disconnection indicator	1 mechanical indicator by pole
Spare module(s)	DSM40-480
Remote signaling of disconnection	option: DS44S-480 - output on changeover contact

Standards compliance	IEC 61643-11 / EN 61643-11 / UL1449 4ed.
Certification	UL / CSA / EAC

Thermal disconnector	Internal
Fuses	Fuses type gG - 50 A
Installation ground fault breaker	Type 'S' or delayed