Isolated repeater / splitter
3108
- Isolation and conversion of current signals
- Slimline housing of 6.1 mm
- Response time <7 ms
- Splitter function: 1 in - 2 out
- Simple - no setup needed
Application
- Isolation and conversion of standard DC signals.
- Galvanic separation of analog current signals.
- Elimination of ground loops and measurement of floating signals.
- A competitive choice in terms of both price and technology for galvanic isolation of current signals to SCADA systems or PLC equipment.
- Installation in ATEX Ex zone 2 / IECEx Zone 2 / FM division 2.
- Suitable for environments with high vibration stress, e.g. ships.
Technical characteristics
- The input is protected against overvoltage and polarity error.
- Factory-calibrated measurement ranges.
- Inputs and outputs are floating and galvanically separated.
Data sheet & Manuals
Data sheet
- 3108.pdf
- Latest version
Manuals
- 3100V111_UK.pdf
- 3100V110_UK.pdf
- 3100V109_UK.pdf
- 3100V108_UK.pdf
- 3100V107_UK.pdf
- 3100V105_UK.pdf
- 3100V100_UK.pdf
- Previous versions
- Latest version
Manuals in Russian
- 3100V111_RU.pdf
- 3100V110_RU.pdf
- 3100V109_RU.pdf
- 3100V108_RU.pdf
- 3100V107_RU.pdf
- 3100V106_RU.pdf
- Previous versions
- Latest version
Approvals & Certificates
ATEX certificate
- 3108_issue12.pdf
- Latest version
IECEx certificate
- 3108IEC_issue 11.pdf
- Latest version
UKEX certificate
- 3108UKEX_Issue1.pdf
- Latest version
CCC certificate
- 3000_series_CCC_2023_04.pdf
- 3000_series_CCC_2020_12.pdf
- Previous versions
- Latest version
FM certificate
- 3xxx_FM17CA0003X_US0004X.pdf
- 3xxx_FM_3041043_C.pdf
- Previous versions
- Latest version
UL certificate
- 3103-09_3117-18_3405.pdf
- Latest version
DNV marine certificate
- DNV_3xxx_TAA00001RW.pdf
- Latest version
EAC declaration
- EAC_EMC_declaration_Ex_3000_5000_6000_9000.pdf
- Latest version
EAC Ex certificate
- EAC_Ex.pdf
- Latest version
Metrology Pattern Approval (MPA), Russia
- MPA_Russia.pdf
- Latest version
Supplementary documentation
EU Declaration of Conformity
- 3108DoC_EU_105_UK.pdf
- 3108DoC_EU_104_UK.pdf
- 3108DoC_EU_103_UK.pdf
- 3108DoC_EU_102_UK.pdf
- 3108DoC_EU_101_UK.pdf
- 31058oC_100_UK.pdf
- Previous versions
- Latest version
UKCA Declaration of Conformity
- 3108DoC_UKCA_100_UK.pdf
- Latest version
EMC data
- 3000_EMC_data.pdf
- Latest version
Safety note
Safety note
Order form
Environmental Conditions
| Operating temperature | -25°C to +70°C |
| Storage temperature | -40°C to +85°C |
| Calibration temperature | 20...28°C |
| Relative humidity | < 95% RH (non-cond.) |
| Protection degree | IP20 |
| Installation in | Pollution degree 2 & meas. / overvoltage cat. II |
Mechanical specifications
| Dimensions (HxWxD) | 113 x 6.1 x 115 mm |
| Weight approx. | 70 g |
| DIN rail type | DIN EN 60715/35 mm |
| Wire size | 0.13...2.5 mm2 / AWG 26...12 stranded wire |
| Screw terminal torque | 0.5 Nm |
| Vibration | IEC 60068-2-6 |
| 2...25 Hz | ±1.6 mm |
| 25...100 Hz | ±4 g |
Common specifications
Supply |
|
| Supply voltage | 16.8...31.2 VDC |
| Max. required power | 0.75 W |
| Max. power dissipation | 0.48 W |
Isolation voltage |
|
| Isolation voltage, test / working | 2.5 kVAC / 300 VAC (reinforced) |
| Zone 2 / Div. 2 | 250 VAC |
Response time |
|
| Response time (0...90%, 100...10%) | < 7 ms |
| Signal / noise ratio | > 60 dB |
| Cut-off frequency (3 dB) | > 100 Hz |
| Signal dynamics, input | Analog signal chain |
| Signal dynamics, output | Analog signal chain |
| Accuracy | Better than 0.05% |
| Temperature coefficient | < ±0.01% of span / °C |
| EMC immunity influence | < ±0.5% of span |
| Extended EMC immunity: NAMUR NE21, A criterion, burst | < ±1% of span |
Input specifications
Current input |
|
| Measurement range | 0...23 mA |
| Input voltage drop | < 1.5 VDC |
| Input resistance | Nom. 20 Ω + PTC 50 Ω |
Output specifications
Current output |
|
| Signal range | 0...23 mA |
| Load (@ current output) | ≤ 300 Ω |
| Load stability | ≤ 0.002% of span / 100 Ω |
| Current limit | ≤ 28 mA |
| of span | = 0...20 mA |
I.S. / Ex marking
| ATEX | II 3 G Ex ec IIC T4 Gc |
| IECEx | Ex ec IIC T4 Gc |
| FM, US | Cl. I, Div. 2, Gp. A, B, C, D T4 or Cl. I, Zone 2, AEx nA IIC T4 |
| FM, CA | Cl. I, Div. 2, Gp. A, B, C, D T4 or Cl. I, Zone 2, Ex nA IIC T4 |
Observed authority requirements
| EMC | 2014/30/EU & UK SI 2016/1091 |
| LVD | 2014/35/EU & UK SI 2016/1101 |
| ATEX | 2014/34/EU & UK SI 2016/1107 |
| RoHS | 2011/65/EU & UK SI 2012/3032 |
| EAC | TR-CU 020/2011 |
| EAC Ex | TR-CU 012/2011 |
Approvals
| ATEX | KEMA 10ATEX0147 X |
| IECEx | KEM 10.0068X |
| UKEX | DEKRA 21UKEX0055X |
| c FM us | FM17US0004X / FM17CA0003X |
| c UL us, UL 61010-1 | E314307 |
| CCC | 2020322310003554 |
| EAC Ex | EAEU KZ 7500361.01.01.08756 |
| DNV Marine | TAA00001RW |
Need support to select the right product for your application?
Our sales engineers are ready to help specify the right device to meet your needs.
Reach out by phone to get in touch with us straight away – or use the contact form or quick quote function to send your RFQ directly from the website. You’ll get a response within 24 hours on normal business days.
You can expect to get a confirmed delivery date via email within 2 days after we have received your order.
As soon as your package leaves our warehouse, you’ll receive tracking details via email. And if you have any questions along the way we’re just a phone call or email away.
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