Pulse isolator / switch amplifier
PR 3202
- Input: NAMUR, NPN open collector, contact
- Output: 2 x relay or NPN transistor output
- 2.5 kVAC 4-port galvanic isolation
- Line Fault Detection (LFD) / cable break detection
- Power supply 16.8 VDC…31.2 VDC
Functional highlights
- Interfaces a NAMUR sensor to typical control system input cards.
- High 4-port isolation provides surge suppression that protects the control system from transients and noise and eliminates ground loops.
- Provides simple splitter function: 1 in – 2 out.
- Monitor signal source for cable short-circuit or cable break with alarm function on secondary output, power rail and LED status.
- The device can be mounted in Safe area or in Zone 2 / Division 2 areas.
- All terminals are over-voltage protected, polarity protected and short-circuit protected.
Technical highlights
- Output options: NPN transistor or mechanical relay.
- Response time: Relay < 20 ms / NPN < 0.1 ms.
- Collective DIN-rail alarm.
- Line Fault Detection (LFD) / cable break detection.
- Wide ambient temperature range -25...70°C.
- NAMUR NE21, NE44.
- Conforms to IEC 60947 standard - switch amplifiers for NAMUR sensors.
Programming
- Easy configuration via DIP-switches.
Mounting
- Units can be mounted side by side, horizontally and vertically, without air gap on a standard DIN rail, even at 70°C ambient temperature.
- Units can be supplied separately or installed on PR 9400 power rail.
- The narrow 6.1 mm housing allows up to 163 units per meter.
Data sheet & Manuals
Approvals & Certificates
ATEX certificate
- 3202_issue12.pdf
- Latest version
IECEx certificate
- 3202IEC_issue 11.pdf
- Latest version
UKEX certificate
- 3202UKEX_Issue1.pdf
- Latest version
UL certificate
- UL3202.pdf
- Latest version
CCC certificate
- 3000_series_CCC_2025_12.pdf
- 3000_series_CCC_2024_08.pdf
- Previous versions
- Latest version
FM certificate
- 3xxx_FM17CA0003X_US0004X.pdf
- Latest version
Supplementary documentation
EU Declaration of Conformity
- 3202DoC_EU_105_UK.pdf
- 3202DoC_EU_104_UK.pdf
- Previous versions
- Latest version
UKCA Declaration of Conformity
- 3202DoC_UKCA_100_UK.pdf
- Latest version
EAC LVD declaration
- 3202_EMC_data.pdf
- Latest version
PR default configurations
- PR_default_configurations.pdf
- Latest version
Safety note
Safety note
- SN3000-1-120-2512.pdf
- SN3000-1-119-2436.pdf
- SN3000-1-118-2321.pdf
- Previous versions
- Latest version
View variants
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 (3202A1) / 80 g (3202A2) |
| 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 |
Common specifications
Supply |
|
| Supply voltage | 16.8...31.2 VDC |
| Max. power dissipation | 0.65 W (3202A1) / 0.95 W (3202A2) |
| Max. required power | ≤ 1.2 W |
Isolation voltage |
|
| Isolation voltage, test / working | 2.5 kVAC / 300 VAC (reinforced) |
Auxiliary supplies |
|
| Sensor supply limitation | 8.2 VDC, max. 8.2 mA @ 0 VDC |
Input specifications
NAMUR input |
|
| NAMUR according to | EN 60947-5-6 |
| Trig level LOW | < 1.2 mA |
| Trig level HIGH | > 2.1 mA |
| Sensor supply | 8.2 VDC |
NPN and mechanical switch |
|
| Max. input frequency | 5 kHz |
| Trig level LOW | < 1.2 mA |
| Trig level HIGH | > 2.1 mA |
| Max. input voltage | 24 VDC |
Output specifications
Relay output |
|
| Max. voltage | 250 VAC / 200 VDC |
| Max. current | 2 AAC |
| Max. AC power | 100 VA |
| Max. DC current, resistive load ≤ 30 VDC (1) | 2 ADC |
| Max. DC current, resistive load > 30 VDC | See manual for details |
| Max. switching frequency | 20 Hz |
| Response time | < 20 ms |
NPN output |
|
| Max. voltage | 30 VDC |
| Max. switching frequency | 5 kHz |
| Min. pulse length | > 0.1 ms |
| Max. voltage drop at 80 mA | 2.5 VDC |
| Response time | < 0.1 ms |
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 |
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 |