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Ex power supply
PR 5420B
- 2 channels
- 5-port 3.75 kVAC galvanic isolation
- Output voltage > 18 V to I.S. area
- Active current loop detection
- Universal supply by AC or DC
Application
- Voltage supply with safety barrier for the supply of equipment mounted in hazardous area.
- Voltage supply with failsafe detection of active current loop from 2-wire transmitters mounted in hazardous area.
Technical characteristics
- PR5420B has a relay with change-over contacts available in the safe area. When the loop current is within the defined limit, the relay is ON.
- Supply and outputs are floating and galvanically separated.
Mounting / installation
- Mounted vertically or horizontally on a DIN rail. Up to 84 channels per meter can be mounted.
Note
- Not suitable for new installations requiring certification to the latest ATEX standards - see ATEX certificate DEMKO 99ATEX126256 and EU Declaration of Conformity for details.
Ficha técnica y manuales
Nota de seguridad
Nota de seguridad
- SN5000-3-103-1933.pdf
- SN5000-3-102-1613.pdf
- SN5000-101-1450.pdf
- Versiones anteriores
- Última versión
Homologaciones y certificados
Declaración EAC
- EAC_EMC_declaration_Ex_3000_5000_6000_9000.pdf
- Última versión
Certificado EAC
- EAC_Ex.pdf
- Última versión
Metrology Pattern Approval (MPA), Russia
- MPA_Russia.pdf
- Última versión
Formulario de pedido
Environmental Conditions
| Operating temperature | -20°C to +60°C |
| Calibration temperature | 20...28°C |
| Relative humidity | < 95% RH (non-cond.) |
| Protection degree | IP20 |
Mechanical specifications
| Dimensions (HxWxD) | 109 x 23.5 x 130 mm |
| Weight approx. | 215 g |
| DIN rail type | DIN EN 60715/35 mm |
| Wire size | 0.13...2.08 mm2 AWG 26...14 stranded wire |
| Screw terminal torque | 0.5 Nm |
Common specifications
Supply |
|
| Supply voltage, universal | 21.6...253 VAC, 50...60 Hz or 19.2...300 VDC |
| Max. required power | ≤ 4 W (2 channels) |
| Internal power dissipation | ≤ 2 W (2 channels) |
| Fuse | 400 mA SB / 250 VAC |
Isolation voltage |
|
| Isolation voltage, test / working | 3.75 kVAC / 250 VAC |
| PELV/SELV | IEC 61140 |
| EMC immunity influence | < ±0.5% |
| Extended EMC immunity: NAMUR NE21, A criterion, burst | < ±1% |
Output specifications
Relay output |
|
| Max. voltage | 250 VRMS |
| Max. current | 2 ARMS |
| Max. AC power | 100 VA |
| Max. load at 24 VDC | 1 A |
| Output voltage | > 18 VDC at 20 mA |
| Output current | 28 mA per channel (max.) |
| Relay outputs: On within limit | > 3.8...< 20.5 mA |
Observed authority requirements
| EMC | 2014/30/EU |
| LVD | 2014/35/EU |
| EAC | TR-CU 020/2011 |
Approvals
| ATEX | DEMKO 99ATEX126256, II (1) GD [EEx ia] IIC |
| EAC Ex | EAEU KZ 7500361.01.01.08756 |
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