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SDX
SDX units, available in 7V, 16V, 32V and 55V versions (SD07X, SD16X,
SD32X and SD55X respectively) are suitable for a wide range of
applications including THCs, 4-20mA loops, shut-down systems and fire
and gas detectors.
SD
In addition to the many beneficial features offered by SDX devices, the
SD variants fuse/disconnect package provides both fused protection
against fault currents and a convenient method of isolating field
circuitry from protected circuitry without needing additional disconnect
terminals. Also provided is a third connection on the field and safe
side of the protector in order to terminate screens safely to earth.
SDR
The SDR Series has been specially designed to meet the requirements for
high speed data links with an extremely high bandwidth. SDR units are
available in a range of voltage variants enabling a wide range of
communication systems to be protected e.g. RS232, RS422, RS485, Bus
powered systems etc. These devices are classed as simple apparatus and
can therefore be used in hazardous areas without affecting the
certification of the circuit.
SD32T3, SDRTD, SDR3
This series of SD surge protectors offer excellent levels of protection
over all three wires in conjunction with minimal footprint
requirements. This is the most compact 3-wire surge protector on the
market.
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SD32T3 is a three terminal SPD for 3-wire transmitters or sensors
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SDRTD is designed specifically for Resistance Temperature Detectors
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SDR3 is a three terminal SPD for high bandwidth applications
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