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galvanic isolator / power / loop-powered / current
galvanic isolator
RB223

The RB223 passive barrier can be used to galvanically isolate active signal circuits (0 to 20 mA) in three applications:Transmission from non-Ex to Ex areas e.g for active adjusters, controllers or indicators,Transmission from Ex to non-Ex ...

signal isolator / galvanic / power / current
signal isolator
RN221N

The active barrier RN221N supplies e.g. a transmitter with power, if required also in the Ex-area, and then transmits the galvanically isolated signal. With the optionally available HART® monitoring the status of the transmitter is monitored. ...

galvanic isolator / short-circuit / power / analog input
galvanic isolator
9160 series

Stahl 9160 series are high performance transmitter supply units , up to SIL 2 (IEC 61508. The features intrinsically safe input and galvanic isolation between input, output and power supply [Ex ia] IIC. The 9160 is equipped with open ...

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R. STAHL
galvanic isolator / short-circuit / inherently safe
galvanic isolator
9162 series

9162 series Ex i transmitter power supply units with limit values can be used for the intrinsically safe operation of two- and three-conductor transmitters or for connecting to intrinsically safe mA sources. Two limit values can be easily ...

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R. STAHL
galvanic isolator / short-circuit / power / analog input
galvanic isolator
9163 series

Use this item for four-wire HART transmitters, as well as mA sources. The intrinsically safe input and compatibility with one or two channels, as well as the bidirectional transmission of HART signals are important. Galvanic isolation ...

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R. STAHL
galvanic isolator / analog input / inherently safe
galvanic isolator
9164 series

The mA - Isolating Repeater Series 9164 is ideal for integrating 2 wire I/O cards with 4-wire transmitters. Through this product, it is possible to interconnect active 2-wire inputs and mA sources. 4-wire transmitters can be connected ...

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R. STAHL
galvanic isolator / short-circuit / power / with analog output
galvanic isolator
9165 series

The Isolating Repeater Field Circuit Ex i Series 9165 isused for control valves l/p transformers or indicators to ensure an essentially secure performance. Additionally, it can be used for SIL 2 (IEC 61508). Its key features include ...

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R. STAHL
battery isolator / DC
battery isolator

Littelfuse presents a range of diode battery isolators. Model 48051 is battery isolator for ambulances with voltage rating of 12V DC at 75A. Model 48070 has voltage rating of 12-36V DC at 70A maximum. ...

signal isolator / RF / current
signal isolator

Pasternack RF isolators are used for protection of radio-frequency components from signal reflection and excessive current. They are passive 2-port devices that use microwaves. These coaxial RF isolators ...

isolator
isolator
SEL-2910

Port Isolator Use the SEL-2910 Port Isolator to protect the EIA-232 ports of data terminal or data communications equipment from the effects of induced voltages. Increase data reliability by breaking ...

galvanic isolator / current / ATEX
galvanic isolator
BXNI*A, BXNI*T series

This device is designed to isolate 4/20mA signals between the safe and the hazardous areas. Input:Current (4/20mA) Output: Current (4/20mA) Supply: No power supply required Model: 1, 2 or 4 channels Setting: Adjustment potentiometer ...

galvanic isolator / current / ATEX
galvanic isolator
BEI*A series

This device is designed to isolate 4/20mA signals between the safe and the hazardous areas. Input:Current (4/20mA) Output: Current (4/20mA) Supply: No power supply required Model: 1, 2 or 4 channels Setting: Adjustment potentiometer ...

galvanic isolator / high-voltage / bipolar
galvanic isolator
VariTrans® P 29000

Compact high-voltage isolation amplifiers with safe galvanic isolation, VariPower broad-range power supply and genuine calibrated range selection. Working voltages up to 1000 V AC/DC and test voltages up to 5.4 kV AC, maximum performance ...

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Knick
galvanic isolator / high-voltage / analog input
galvanic isolator
VariTrans® P 42000

... protective separation according to EN 61140 between input and output and power supply. Facts Universal high voltage isolator for conversion of input voltages up to 3600 V AC/DC into impressed output signals ±20 ...

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Knick
galvanic isolator / high-voltage / bipolar / true RMS
galvanic isolator
VariTrans® P 41000 TRMS

The VariTrans P 41000 TRMS isolation amplifiers have been specially conceived for measurements of bipolar voltages ranging from millivolts to volts. They reliably isolate high potentials at the input circuit. Thanks to the true rms conversion ...

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Knick
galvanic isolator / high-voltage / bipolar / true RMS
galvanic isolator
VariTrans® P 43000 TRMS

The VariTrans P 43000 TRMS isolation amplifiers have been specially conceived for measurements of bipolar currents ranging from milliamps up to 5 amps. They reliably isolate high potentials at the input circuit. Thanks to the true rms ...

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Knick
galvanic isolator / high-voltage / bipolar
galvanic isolator
VariTrans® P 41000

... and power supply. Specially designed for current measurements using a shunt resistor. Facts Universal high voltage isolator for the conversion of voltages, for example in shunt applications, ±60 mV to ±100 ...

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Knick
signal isolator / loop-powered
signal isolator
KOS 527

DOUBLE LOOP ISOLATOR Input 2x 0/4-20 mA (sink) Output 2x 0/4-20mA (source) 2 ways 1,5 kV Isolation Loop powered

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DITEL
signal isolator
signal isolator
KOS 568

PASSIVE ISOLATOR Input 4-20 mA (sink) Output 4-20 mA (source) 3 ways 1,5 kV Isolation Power supply: 24 VDC

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DITEL
signal isolator / loop-powered
signal isolator
KOS 1010

The KOS1010 is an output loop powered analogue (4-20mA) signal isolator. The small size enables many more units to now be installed in the same physical space. Their high accuracy allows the addition of isolation to ...

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DITEL
signal isolator / loop-powered
signal isolator
KOS 1020

The KOS1020 is an input and output loop powered analogue 4-20mA signal isolator. The small size enables many more units to now be installed in the same physical space. Their high accuracy permits the addition of isolation ...

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DITEL
signal isolator / loop-powered
signal isolator
KOS 1200

The KOS1200 is a (4-20mA) signal isolator powered at input and ouputs loops. The small size enables many more units to now be installed in the same physical space. Their high accuracy permits the addition of isolation ...

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DITEL
electric isolator / epoxy resin
electric isolator
Third-rail insulator

Customer specific conductor rail insulator made from Cycloaliphatic epoxy resin for third rail insulation, which is UV and weather resistant and certified acc. NF F 16-101, NF F 16-102, ASTM D635, ASTM E662

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GIPRO GmbH
electric isolator / epoxy resin / medium-voltage
electric isolator
isoFLEX 25kV pantograph insulator

The 25kV isoFLEX is the new flexible panto insulator, roof-line support insulator or busbar insulator for electric locomotives. It is available in heights from 280 to 400 mm and can be easily mounted to every given platform on the roof. ...

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GIPRO GmbH
electric isolator / epoxy resin / medium-voltage
electric isolator
6kV panto insulator

Different types of 6kV panto insulators for electric trains or tramways certified acc. EN 45545-1, NF F 16-101, NF F 16-102. Cycloaliphatic cast-resin that is UV-resistant for outdoor use.

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GIPRO GmbH
electric isolator / epoxy resin / medium-voltage
electric isolator
25kV Pantograph insulators

Different types of 25kV locomotive insulators for pantographs and as pin-insulators for roof-lines on electric locomotives. Cycloaliphatic cast-resin certified acc. NF F 16-101, NF F 16-102, ASTM D635, ASTM E662

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GIPRO GmbH
electric isolator / epoxy resin
electric isolator
Powerrail insulator

Solid Third rail insulator made according to customer's requirements, certified acc. NF F 16-101, NF F 16-102, ASTM D635, ASTM E662 for 3rd rail insulation. It substitutes a metro line which was insulated with a so-called pot insulator ...

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GIPRO GmbH
electronic isolator / frequency
electronic isolator
16 - 125 A, 230 - 400 V | R7

The Isolator R7 is a device designed to used for industry, commerce, and residence electrical circuit as the main switch. It has a breaking capacity of 3 kA, with compliance to IEC60947-3 directive requirements. This ...

DC isolator
DC isolator
Z170REG-1 | mA, V, PT100, Pt1000, Pt500, Ni100, TCs, Ohm

Z170REG-1 allows to convert and duplicate an analog signal (mA, V, PT100, Pt1000, Pt500, Ni100, TCs, Ohm) by 2 indipendents outputs (mA or V). It disposes also of dip switches to set the available input/output ranges. The auxiliary power ...

signal isolator / current
signal isolator
K-LIne

... ideally constructed to meet the needs of the users and operators. It is built with a DC current, voltage to current, voltage isolator converter for the K109UI, K109S, K109LV.

galvanic isolator / current
galvanic isolator
K109UI

The K109UI is a DC voltage to current isolating converter manufactured by Seneca UK. This instrument accepts signals, and converts it to standard mA/V signals. This configurable device may have up to 30V battery voltage, with parameters ...

RS485 isolator
RS485 isolator
K107A RS485 amplifier

The K107A is an amplifier that is usable for the RS 485 product line. It is ideal for extending the length or the number of admissible devices on an RS 485 serial line. This product is also suitable for operations that are in need of ...

laser beam isolator / power / beam expander
laser beam isolator
Optical isolator

Feature: Ordering Information for Package Dimensions: Wavelength 06–1064nm S–Specify Output Beam Diameter 08–8mm S–Specify Fiber Jacket onInput & Length (A) C25–3mm Loose Cable&2.5m Length A25–3mm Armoured Cable&2.5m ...

galvanic isolator / current / loop-powered
galvanic isolator
SEM1020

... Existing Current Loop Only Requires 2.7 V From the Existing Loop Galvanic Isolation High Accuracy The SEM1020 is a loop isolator designed to provide extra drive capability from an existing current loop. It requires ...

galvanic isolator / loop-powered
galvanic isolator
SEM1000

Ground Loop Isolator Output powered from the input loop High Accuracy • Galvanic Isolation High Reliability The SEM1000 loop isolator is an ideal solution to overcome ground loops. Designed to be ...

signal isolator / current / bipolar / voltage
signal isolator
SEM1600VI

... V AC / (10 to 48) V DC Supply 22 Segment User Linearisation USB Port configuration The SEM1600VI is a “smart” powered isolator/conditioner that accepts any voltage signal between (-50 and 50) V dc or any current signal ...

electric isolator / ceramic / high-voltage / alumina
electric isolator

This ceramic insulator is made from Innovacera's high purity Alumina. The insulator provides electrical and/or thermal insulating, and can also be metalized or brazed for feedthru applications. Insulators from Innovacera works for high ...

electric isolator / ceramic / DC / alumina
electric isolator
Al2O3

Alumina is the most mature of the engineering ceramics, offering excellent electrical insulation properties together with high hardness and good wear resistance but relatively low strength and fracture toughness. During the prodcution, ...

electric isolator / metallized ceramic / power
electric isolator

Innovacera supplies precision metallized ceramic components in aluminum oxide ceramics for the military, medical, and aerospace industries. Through spray, needle, and brush coatings or screen printing our capabilities allow us to metallized ...

electric isolator / ceramic / current / hot-pressed boron nitride
electric isolator

Hot Press Boron Nitride(H.S.B.N) Key Properties Excellent Electrical Insulator Low Dielectric Constant Low Dielectric Loss High Temperature Stability Good Thermal Conductor Lubricious Inert & Chemically Stable Non-Wetting to Molten ...

optical isolator
optical isolator
ZDT-J Series

... Anti-deformation, long service life ▪No demand for maintenance Applications: The XGL Series vibration damping adjustable isolators are applicable for the following areas for vibration damping and isolating: ▪All ...

galvanic isolator / power / analog input
galvanic isolator
6580

... power and wiring is simple. The idea of connecting power supply to output side eliminates typical problems of conventional isolators like small output load and high input side voltage drop. Three input types are available: ...

galvanic isolator / current / loop-powered
galvanic isolator
6570

Loop powered galvanic accuracy isolator 6570 is designed for current input 4..20 mA works without auxiliary operating voltage. Converter takes its own energy from input current loop 4-20 mA. Galvanigally isolated output ...

electric isolator / ceramic / current
electric isolator
SEP, SCP, SPV

optical isolator
optical isolator

... polarisation-dependent optical isolators and polarisation-independent optical isolators.

galvanic isolator / power / inherently safe
galvanic isolator
UNICONT PGK

Nivelco's UNICONT PGK is a safe isolator and a power supply for transmitters. The unit is usable in 20-35 V DC supply voltage. It utilizes a HART communication of 4 - 20 mA signals. The isolator has ...

signal isolator / current / dual-channel
signal isolator
SP-02

The SP02, manufactured by Aplisens, is a current signal isolator without auxiliary power that features a single or dual-circuit in a 12.5 mm wide enclosure. It features an accuracy rate of 0.16% and its casing can be ...

galvanic isolator / power / inherently safe
galvanic isolator
ZS-30Ex1

The ZS-30Ex1, manufactured by Aplisens, is an intrinsically safe power supply and isolator that has a 24 V DC power supply and full galvanic separation of circuits. It features an accuracy rate of 0.1% and its casing ...

galvanic isolator / power / inherently safe
galvanic isolator
ZS-31Ex1

The ZS-31Ex1, manufactured by Aplisens, is an intrinsically safe power supply and isolator that has a 230 V DC power supply and full galvanic separation of circuits. It features an accuracy rate of 0.1% and its casing ...

How to choose this product

isolator

An isolator is an industrial DIN rail device for signal conditioning and protecting circuits from the effects of ground loops. It also can be a battery separator permitting a single charger to recharge two batteries. Some electronic elements used in electrical networks, such as optocouplers and ceramic elements, are also isolators.

Applications

Isolators are used to free industrial processes from ground loop effects. They protect devices against overvoltage and allow signals to be converted and conveyed over long distances. Battery separator isolators are common on boats and in recreational vehicles to allow a single charger to charge both engine batteries and those supplying power to electrical outlets.

Technologies

Isolators separate input from output by galvanic isolation. They use an isolated electronic transformer that conveys data back and forth in the form of frequencies.

Battery isolators use relays and voltage detectors to charge first one battery, then the second after disconnection of the first, or by connecting them in parallel. At the end of the charge cycle, the batteries are once again separated.

How to choose

Isolators are characterized by their isolation parameters and by the nature of their inputs and outputs. Battery isolators are defined by the number and type of batteries to be charged.