SFD1-10 13-275	SFD1-10 50-275-A	SFD3-10 13-275-A	SFD3-10 50-275-A
Electrical Specifications
Connection type		Series
Modes of protection		All mode (L-N, L-PE, N-PE)
Nominal voltage	U0	230V / 50Hz
Maximum continuous voltage	Uc	275V / 50Hz
Phases		1	3	1	3
Maximum discharge current (8/20μs)	Imax	13kA	50kA	13kA	50kA
Maximum load curent	IL	10A
Protection stages		MOV / LC filter / MOV
Voltage protection level @ 3kA (8/20μs)		<700V
Response time	tA	Instantaneous
Earth leakage current		<500μA
Maximum voltage drop (% of U0)	ΔU	<1%
Displays (optional)		LED power and status
Alarms (optional)		Overcurrent / thermal, SPDT contact
Alarm isolation to active circuitry		4kV
Mechanical Specifications
Operating temperature / humidity		-40 to +40ºC / 0 to 90% non-condensing
Terminal capacity - power		2.5mm2
Terminal capacity - alarm		2.5mm2
Terminal screw torque - power		1.0Nm
Terminal screw torque - alarm		0.5Nm
Environmental		IP 20
Mounting		TS35 DIN rail
Weight		450g	1.05kg	1.55kg
Dimensions
Width* (can vary with options)		54mm	118mm	180mm
Height* (can vary with options)		95mm
Depth		78mm
Options
LED indication and external alarm		-	Standard
LED indication only		L
Polycarbonate enclosure		P
Voltage variation	Uc	50V / 130V	130V	50V / 130V	130V