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SLP Series
Ultra-slim user-friendly devices for protecting electronicequipment and systems against surges on signal and I/Ocabling.
GSurge protection for two loops per SLP (or one 4-wire circuit)
Plug connectors for quick and easy connection or rewiring
Space-saving design, 6mm width per loop
Multi-stage hybrid protection circuitry - 20kA maximum surge current
Range of voltage ratings - to suit all process I/O applications
Designed for high bandwidth, low resistance applications
Fully automatic in operation,SLP devices
react immediately to make sure that
equipment is never exposed to damaging
surges between lines or the lines and
ground. Reacting instantaneously, the SLP
redirects surges safely to ground and
then resets automatically.
The versatile SLP series design considers
the need for high packing densitiesand
has a product combining protection for
two process loops into one case. Each
module provides full hybrid surge protec-
tion for two process loops.
For higher bandwidth applications,the SLP
series has been developed to meet the
demands of today’s highest speed com-
munication systems.
One simple manual opera-
tionclamps modules
securely onto DIN
rail, which auto-matically provides the essential high-integrity ground connection.A 10 Year ‘No Fuss’ warranty is availableas standard for the SLP so if a correctlyconnected device should fail for any rea-son, simply return it for a free replace-ment.‘Top-hat’ (T-section) DIN railis generallysuitable for mounting SLP modulesalthough for adverse environments, a spe-cially-plated version is available fromMTLSurge Technologies.GGGGGThe SLP Series is a range of surge protec-tion devices combining high packing densi-ties, application versatility, proven hybrid cir-cuitry and simple installation -- featureswhich make the series the most cost effec-tive surge protection solution for processcontrol equipment systems and communica-tions networks.The multi-stage hybrid surge protection net-workat the heart of the SLP uses a combi-nation of solid state electronics and a gasfilled discharge tube (GDT) to provide surgeprotection up to 20kA. This impressive surgeprotection circuit is designed to exhibitexceptionally low line resistance and addsonly a tiny voltage drop to the circuit.In operation, the SLP device does notadversely affect the performance or opera-tion of the loopor combined equipment. Thedevice allows signals to pass with very littleattenuation while diverting surge currentssafely to ground and clamping output volt-
ages to safe levels.
SpecificationAll figures typical at 77°F (25°C) unless otherwise stated
Maximum surge current20kA (8/20μs waveform) per lineLeakage Current
1.50ALoop resistance2 Ohm
Capacitance
Line - Line - 60pF
Bandwidth
-1db @9kHz - 37MHz
-3dB @50MHz
Response time
Ambient temperature
–40°F to +176°F (working)
–40°C to +80°C (working)
–40°F to +176°F (storage)
–40°C to +80°C (storage)
Humidity
5 to 95% RH (non-condensing)
Terminals
12 AWG (2.5mm2)
Electrical connections
Plug/header screw terminal stripMounting
T-section DIN-rail
(35 x 15mm rail)
Weight
5oz (140g approximately)
Case flammability
UL94 V-2
EMC compliance
BS EN 60950:1992
BS EN 61000-6-2:1999
BS EN 61010-1:1993
Electrical safety
UL Isolated Loop Protector (Pending)
Class I, Division 2, Groups A, B, C & D
hazardous locations (Pending)To order specify - Order by module, as listed in the specifi-
cation table.Note: In accordance with our policy of continuous improvement,
we reserve the right to change the product’s specification without
notice.40/16
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