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Furse Earthing and Lightning Protection
and Electronic Systems Protection by Thomas & Betts
Twisted Pair Lines
 Use
on twisted pair lines, e.g. those found in process control
equipment, modems and computer communications interfaces.
-
Very low
let-through voltage (enhanced protection to BS EN 62305)
between all lines - Full Mode protection
-
Full mode design
capable of handling partial lightning currents as well as
allowing continual operation of protected equipment
-
Repeated
protection in lightning intense environments
-
Low in-line
resistance minimises unnecessary reductions in signal
strength
-
ESP 06 D has
Network Rail Approval PA05/00809. NRS PADS reference
086/000551
-
ESP TN is
suitable for telecommunication applications in accordance
with Telcordia and ANSI Standards
CLICK HERE
for more information
Twisted Pair
Lines (Lower In-line Resistance / Higher Current / Higher
Bandwidth)
 Use
these units to protect resistance sensitive, higher frequency or
running current systems, e.g. high speed digital communications
equipment or systems with long signal lines.
-
Very low
let-through voltage (enhanced protection to BS EN 62305)
between all lines - Full Mode protection
-
Full mode design
capable of handling partial lightning currents as well as
allowing continual operation of protected equipment
-
Repeated
protection in lightning intense environments
-
Very low (1Ω)
in-line resistance for resistance allows resistance critical
applications (e.g. alarm loops) to be protected
-
High (1.25A)
maximum running current
-
ESP 06E and ESP
15E have Network Rail Approval PA05/02047. NRS PADS
reference 086/000201 (ESP 06E) and
086/000200 (ESP 15E)
CLICK HERE
for more information
Twisted Pair
Lines (Lower In-line Resistance / Higher Current)
 Use
these applications to protect resistance sensitive or higher
running current systems, e.g. systems with long signal lines, or
DC power applications.
-
Very low
let-through voltage (enhanced protection to BS EN 62305)
between all lines - Full Mode protection
-
Full mode design
capable of handling partial lightning currents as well as
allowing continual operation of protected equipment
-
Repeated
protection in lightning intense environments
-
Ultra low
(<0.05Ω) in-line resistance for resistance allows resistance
critical applications (e.g. alarm loops) to be protected
-
Screen terminal
enables easy connection of cable screen to earth
-
Very high (4A)
maximum running current
CLICK HERE
for more information
Ready-boxed for
2 or 4 Wire Twisted Pair Lines
 Based
on the versatile ESP D Series and ESP TN range, use these
ready-boxed protectors on twisted pair lines in dirty or
damp environments.
-
Very low
let-through voltage (enhanced protection to BS EN 62305)
between all lines - Full Mode protection
-
Full mode design
capable of handling partial lightning currents as well as
allowing continual operation of protected equipment
-
Repeated
protection in lightning intense environments
-
Low in-line
resistance minimises unnecessary reductions in signal
strength
-
Ready-boxed to
IP66 and supplied ready for flat mounting
-
ESP TN/BX and TN/2BX
is suitable for telecommunication applications in accordance
with Telcordia and ANSI Standards
-
ESP TN/BX has
Network Rail Approval PA05/02877. NRS PADS reference
087/037286
CLICK HERE
for more information
Space Critical
Applications
 Use
these protectors where installation space is at a premium and
large numbers of lines require protection. Available for working
voltages of up to 6, 15, 50 and 110 volts.
-
Very low let-through voltage
(enhanced protection to BS EN 62305) between all lines -
Full Mode protection
-
Full mode design capable of
handling partial lightning currents as well as allowing
continual operation of protected equipment
-
Repeated protection in
lightning intense environments
-
ESP RTDQ protects three 3-wire
lines in RTD applications
-
Almost twice as pace efficient
as smallest competitor
-
ESP TNQ is suitable for
telecommunication applications in accordance with Telcordia
and ANSI Standards
-
Available as a 'UL Listed'
version, add/UL to part code (ESP 06Q, ESP 15Q, ESP 30Q and
ESP 50Q only)
CLICK HERE
for more information
Slim Line
Protector with Removable Protection Module
 Use
these protectors where installation space is at a premium and
large numbers of lines require protection (e.g. process control,
high speed digital communication equipment or systems with long
signal lines).
-
Very low
let-through voltage (enhanced protection to BS EN 62305)
between all lines – Full Mode protection
-
Ultra slim 7mm
width ideal for compact protection of large numbers of lines
(e.g. process control installations)
-
Two stage
removable protection module with simple quick release
mechanism allowing partial removal for easy line
commissioning and maintenance as well as full removal for
protection replacement
-
Very low (1Ω)
in-line resistance allows resistance critical applications
(e.g. alarm loops) to be protected
-
High (750mA)
maximum running current
-
Suitable for
earthed or isolated screen systems - add /I suffix to part
number for versions that require isolated screens - e.g. ESP
SL30/I
-
Built-in
innovative DIN rail foot with locking feature for simple
positioning and clip-on mounting to top hat DIN rails
CLICK HERE
for more information
Slim Line
Protector for Hazardous Areas
 Use
these protectors in hazardous environments where installation
space is at a premium and large numbers of lines require
protection (e.g. process control, 4-20mA loops, fire and gas
detectors and shut-down systems).
Suitable for high speed digital communication equipment or
systems with long signal lines.
-
Approved for use
in hazardous environments for the protection of
Intrinsically Safe circuits
(Classification: Ex II 2(1)G, Ex ia (ia Ga) IIC T4 Gb)
-
Very low
let-through voltage (enhanced protection to BS EN 62305)
between all lines – Full Mode protection
-
Ultra slim 7mm
width ideal for compact protection of large numbers of lines
(e.g. process control installations)
-
Negligible
self-capacitance and self-inductance offering minimal
interference when protecting Intrinsically Safe circuits
-
Two stage
removable protection module with simple quick release
mechanism allowing partial removal for easy line
commissioning and maintenance as well as full removal for
protection replacement
-
Very low (1Ω)
in-line resistance allows resistance critical applications
(e.g. alarm loops) to be protected
-
High (750mA)
maximum running current
-
Suitable for
earthed or isolated screen systems - add /I suffix to part
number for versions that require isolated screens - e.g. ESP
SL30/I
-
Approval
references for ESP SLX Series: IECEx SIR 10.0030X, Sira
10ATEX2063X
CLICK HERE for more information
Data & Signal
Lines with LSA-PLUS Modules
 Use
these units to protect signal data, control and instrumentation
systems with LSA/PLUS disconnection modules.
-
Low cost
protection for large numbers of data and signal lines
-
Very low
let-through voltage (enhanced protection to BS EN 62305)
between all lines - Full Mode protection
-
Full mode design
capable of handling partial lightning currents as well as
allowing continual operation of protected equipment
-
Provides
repeated protection in lightning intense environments
-
Colour of
housing distinguishes electrically different protectors to
help avoid confusion when installed with other protectors
(e.g. the ESP KT1/2) on the same distribution board
-
Quick and easy
plug-in installation
CLICK HERE
for more information
PCB Mount
Applications
 PCB
mount versions of the popular ESP D, TN and E Series protectors,
use within OEM data communications, signal and telephone
systems, where transient overvoltage protection needs to be
integral to the unit.
D Series
-
Suitable for wave soldering
-
Very low let-through voltage
(enhanced protection to BS EN 62305) between all lines -
Full Mode protection
-
Full mode design capable of
handling partial lightning currents as well as allowing
continual operation of protected equipment
-
Provides repeated protection in
lightning intense environments
-
Low in-line resistance
minimises unnecessary reductions in signal strength
-
ESP PCB/TN is suitable for
telecommunication applications in accordance with Telcordia
and ANSI Standard
E Series
-
Suitable for wave soldering
-
Very low let-through voltage
(enhanced protection to BS EN 62305) between all lines -
Full Mode protection
-
Full mode design capable of
handling partial lightning currents as well as allowing
continual operation of protected equipment
-
Provides repeated protection in
lightning intense environments
-
Very low (1Ω) in-line
resistance for resistance critical applications
-
High (1.25A) maximum running
current
-
Higher bandwidth enables higher
frequency data communication
CLICK HERE
for more information
Three Wire RTD
Applications
 Use
on three wires to protect monitoring equipment in RTD systems.
-
Protects all
three wires on a 3-wire RTD system with a single protector
-
Very low
let-through voltage (enhanced protection to BS EN 62305)
between all lines - Full Mode protection
-
Full mode design
capable of handling partial lightning currents as well as
allowing continual operation of protected equipment
-
Repeated
protection in lightning intense environments
-
Low in-line
resistance minimises reductions in signal strength
-
Colour coded
terminals give a quick and easy installation check
CLICK HERE
for more information |
