SFM1-63 50-275	SFM1-63 100-275	SFM3-63 50-275	SFM3-63 100-275
Electrical Specifications
Connection type		Series
Modes of protection		All mode (L-N, L-PE, N-PE)
Nominal Voltage	U0	230V / 50Hz (110V / 60Hz by request only)
Maximum continuous voltage	Uc	275V / 50Hz (130V / 60Hz by request only)
Phases		1		3
Discharge current 8/20μs	Imax	50kA	100kA	50kA	100kA
Maximum load current	IL	63A
Protection stages		Metal oxide varistor / LC filter / metal oxide varistor
Voltage protection @ 3kA (8/20μs)	Up	<360V
Response time	tA	Instantaneous
Earth leakage current		<1μA
Maximum voltage drop (% of U0)	ΔU	<1%
3dB Frequency @ 50Ω		750Hz
Displays		LED status	% active	LED status	% active
Alarms		Segment failure and over current/thermal overload, SPDT
Alarm isolation to active circuitry		4kV
Mechanical Specifications
Operating temperature / humidity		-40 to +40ºC / 0 to 90% non-condensing
Connection type		UIK35 Terminals
Terminal capacity - power		35mm2
Terminal capacity - alarm		2.5mm2
Terminal screw torque - power		1.0Nm
Terminal screw torque - alarm		0.5Nm
Environmental		IP 55 in enclosure
Mounting		Wall mount
Weight (in enclosure)		10kg	11kg	20kg	24kg
Dimensions (in enclosure)
Width		310mm		426mm
Height		390mm		506mm
Depth		130mm		200mm
Maximum Discharge Current Variations
Discharge Current variations	Imax	150kA / 200kA / 250kA