Novaris Products - Global Solutions in Lightning and Surge Protection

Product Information

Introduction

Glossary

Product Range

Series Surge Protectors

Signal Line Protection

Standards Compliance
IEC 61643-1 class I
AS/NZS 1768 category C
IEEE C62.41 category C
BS 6651 category C
CP 33 category C
IEC 1000-4-5
UL1449 third edition

Options
HRC fusing	H
Metal enclosure IP 55	M
Over / under voltage relay	O
Extended voltage (95-15V)	X

SFH - 250A & 400A Surge Filters

Product Features

Product Description

Novaris SFH surge filters provide the highest level of protection with the lowest let through voltage. When installed at a main switchboard Novaris surge filters will protect all connected equipment.

click here for 630A - 800A Surge filters

click here for 1200A - 1600A Surge filters

click here for 2000A Surge filters

[ Download/View NovarisSFH3-250-0708_1.pdf ]

		SFH3-250 100-275	SFH3-250 200-275	SFH3-400 100-275	SFH3-400 200-275
Electrical Specifications
Connection type		Series
Modes of protection		All mode (L-N, L-PE, N-PE)
Nominal voltage	U₀	230V / 50Hz
Maximum continuous voltage	U_c	275V / 50Hz
Phases		3
Discharge current 8/20μs	I_ma_x	100kA	200kA	100kA	200kA
Maximum load curent	I_L	250A		400A
Protection stages		Metal oxide varistor / LC filter / metal oxide varistor
Voltage protection @ 3kA (8/20μs)	U _p	<360V
Response time	t_A	Instantaneous
Earth leakage current		<1μA
Maximum voltage drop (% of U0)	ΔU	<1%
3dB Frequency @ 50Ω		200Hz		150Hz
Displays		7-segment LED, percentage active
Alarms		Segment / thermal failure, clean SPDT contact
Alarm isolation to active circuitry		4kV

Mechanical Specifications
Operating temperature / humidity		-40 to +40ºC / 0 to 90% non-condensing
Connection type		Bus bar / cable lug
Alarm terminal capacity		2.5mm²
Terminal screw torque		0.5Nm
Environmental		IP 55 in enclosure
Mounting		Wall mount
Weight		90kg

Dimensions (in enclosure)
Width		710mm
Height		710mm
Depth		285mm

Maximum Discharge Current Variations
Discharge Current variations	I_ma_x	150kA / 250kA