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

galvanic isolator / signal / current / power
galvanic 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. ...

battery isolator / DC
battery isolator
480,481 series

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. ...

Faraday isolator / optical / low-power
Faraday isolator
ISO-04 series

Our low power Faraday optical isolators use field proven, high efficiency Corning Polarcor™ polarizers making them ideal for 650, 780, 850 and 980 nm laser diode applications. 650, 780, 850, 980 nm Center Wavelengths 25 ...

optical isolator
optical isolator
ISx-1550 Series

Our fiber pigtailed isolators are passive, fiber-pigtailed devices that reduce back reflections in optical fibers and backscattering of light which is highly desirable in many laser applications. Very low insertion ...

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 ...

optical isolator
optical isolator

... standard operating voltages from 5 to 28 VDC. Up to eight Optical Isolator Modules can be daisy-chained to provide multiple, simultaneous outputs to controllers or PLC’s. This Optical Isolator can help ...

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

Universal high voltage transducers. Input voltages up to Vin = ±3600 V. The VariTrans P 42000 isolation amplifiers have been specially conceived for measuring high voltages up to 3600 V (DC). They reliably isolate high potentials at ...

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

AC/DC high voltage transducer for True RMS measurement. Input signals from VIN = 60 mV AC up to VIN = 10 V AC The VariTrans P 41000 TRMS isolation amplifiers have been specially conceived for measurements of bipolar voltages ranging ...

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Knick
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 ...

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

optical isolator
optical isolator

Opto isolator is an optically passive device that allows only positive light to pass through and reverse optical isolated. Fiber lasers and optical amplifiers are very sensitive to the reflected light from the interface, ...

laser beam isolator / power
laser beam isolator
Optical isolator

... deteriorate or even burn. The important role of the optical isolator is to suppress the reverse light, to protect the resonator and to stabilize the system. The collimate Product features ■High Isolator ■Low ...

electric isolator / epoxy resin / ceramic / composite
electric isolator
MIDSUN

MIDSUN animal mitigation solutions Our custom formulated material produces wildlife protection cover that consistently maintain its strong properties in the most extreme environments.Midsun’s wildlife outage covers are carefully engineered ...

optical isolator
optical isolator

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

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 ...

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Xiamen Innovacera Advanced Materials Co., Ltd
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, ...

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Xiamen Innovacera Advanced Materials Co., Ltd
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 ...

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Xiamen Innovacera Advanced Materials Co., Ltd
RF isolator / galvanic / wide-band / inherently safe
RF isolator
iSOLATE501

... 1, Groups A-G, Class I, Zone 0, Group IIC -40°C ≤ Ta ≤ +80°C The iSOLATE501 is an ATEX and IECEx approved RF galvanic isolator for use in Zones 0, 1, 2/22 and mining applications. It is the next generation of Extronics ...

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 ...

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 / inherently safe
galvanic isolator
UNICONT PGK

Isolated power supply for intrinsically safe transmitters DIN rail mountable Compatible with all devices using standard HART® communication Applications For high precision transmitters For transmitters operating ...

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 ...

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 ...

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SENECA | Automation Interfaces
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.

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SENECA | Automation Interfaces
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 ...

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SENECA | Automation Interfaces
signal isolator / loop-powered
signal isolator
KOS 526

The KOS 526 passive isolator from Ditel is engineered to handle a sink input that is rated at 0/4 - 20 mA, and to provide a source output of 0/4 - 20 mA. This loop powered unit is a 2 way product that runs on 1.5 kV.

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DITEL
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 / galvanic
signal isolator
BA201

The BA201 communications isolator is a dedicated interface for connecting intrinsically safe BEKA Serial Text [Data] Displays to a safe area computer system. The communications isolator provides intrinsically ...

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
signal isolator / current / inherently safe / ATEX
signal isolator
ACT20X-HAI-SAO/2HAI-2SAO HART

The ACT20X-HAI-SAO/2HAI-2SAO HART-protocol transparent current-supply isolators are capable of transmitting 4...20 mA signals from Ex zone 0 into the safe zone. External sensors can be supplied with power through the ...

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Weidmüller
galvanic isolator / power / USB
galvanic isolator
NMUSB202MC series

Murata announces the introduction of the NMUSB202MC, a surface mount powered data isolator module that conveniently provides dual port USB data and power isolation from a single upstream port. When used in conjunction ...

electric isolator / DC
electric isolator
5TE

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.