PLC-RPT- 72UC/21HC/RW
   - 
  Relay module
    
      2900325
      
      
    
  
      PLC-INTERFACE for railway applications and high continuous currents, consisting of basic terminal block with Push-in connection and plug-in miniature relay, range: 0.7 x UN to 1.25 x UN, temperature class TX: -40°C to +70°C, 1 changeover contact, input voltage 72 V DC
Product details
| Product type | Relay Module | 
| Product family | PLC-INTERFACE | 
| Application | Railway applications | 
| Environment | Attached to the vehicle body | 
| Operating mode | 100% operating factor | 
| Mechanical service life | approx. 3x 107 cycles | 
| Insulation characteristics | |
| Insulation | Basic insulation | 
| Overvoltage category | III | 
| Pollution degree | 2 | 
| Data management status | |
| Date of last data management | 12.09.2025 | 
| Maximum power dissipation for nominal condition | 0.43 W | 
| Test voltage (Winding/contact) | 5 kVrms (50 Hz, 1 min., winding/contact) | 
| Rated insulation voltage | 250 V AC | 
| Rated surge voltage | 6 kV | 
| Coil side | |
| Nominal input voltage UN | 72 V DC | 
| Input voltage range | 50.4 V DC ... 90 V DC | 
| Drive and function | monostable | 
| Typical input current at UN | 6 mA | 
| Typical response time | 5 ms | 
| Typical release time | 11 ms | 
| Coil voltage | 48 V DC | 
| Protective circuit | Bridge rectifier; Bridge rectifier | 
| Freewheeling diode; Freewheeling diode | |
| Surge protection | |
| RCZ filter | |
| Wide-range electronics | |
| Operating voltage display | Yellow LED | 
| Switching | |
| Contact switching type | 1 changeover contact | 
| Type of switch contact | Single contact | 
| Contact material | AgNi | 
| Maximum switching voltage | 250 V AC/DC (Separating plate PLC-ATP must be installed for voltages larger than 250 V (L1, L2, L3) between identical terminal blocks in adjacent modules.) | 
| Minimum switching voltage | 12 V (at 10 mA) | 
| Limiting continuous current | 10 A (With inserted bridge 2967691) | 
| Maximum inrush current | 30 A (300 ms) | 
| Min. switching current | 10 mA (at 12 V) | 
| Interrupting rating (ohmic load) max. | 240 W (at 24 V DC) | 
| 58 W (at 48 V DC) | |
| 48 W (at 60 V DC) | |
| 50 W (at 110 V DC) | |
| 75 W (at 220 V DC) | |
| 2500 VA (for 250 V AC) | |
| Switching capacity | 2 A (24 V (DC13)) | 
| 0.2 A (220 V (DC13)) | |
| 6 A (230 V (AC 15)) | |
| Connection method | Push-in connection | 
| Stripping length | 10 mm | 
| Conductor cross-section rigid | 0.14 mm² ... 2.5 mm² | 
| Conductor cross-section flexible | 0.14 mm² ... 2.5 mm² | 
| 0.2 mm² ... 2.5 mm² (Single ferrule) | |
| 2x 0.5 mm² ... 1 mm² (TWIN ferrule) | |
| Conductor cross-section AWG | 26 ... 14 | 
| Width | 14 mm | 
| Height | 80 mm | 
| Depth | 94 mm | 
| Color | gray (RAL 7042) | 
| Flammability rating according to UL 94 (Housing) | V0 (Housing) | 
| Ambient conditions | |
| Degree of protection (Relay) | RT III (Relay) | 
| Degree of protection (Relay base) | IP20 (Relay base) | 
| Ambient temperature (operation) | -40 °C ... 70 °C (Temperature class TX) | 
| Ambient temperature (storage/transport) | -40 °C ... 85 °C | 
| CE | |
| Certificate | CE-compliant | 
| UKCA | |
| Certificate | UKCA-compliant | 
| Shipbuilding approval | |
| Certificate | TAE0000196 | 
| Corrosive gas test | |
| Identification | ISA-S71.04. G3 Harsh Group | 
| EN 60068-2-60 | |
| Shipbuilding data | |
| Temperature | D | 
| Humidity | A | 
| Vibration | B/C | 
| EMC | B | 
| Enclosure | Required protection according to the Rules shall be provided upon installation on board | 
| Electromagnetic compatibility | Conformance with EMC directive | 
| Low Voltage Directive | Conformance with Low Voltage Directive | 
| Standards/regulations | EN 50155 (VDE 0115 part 200) | 
| EN 50178 | |
| EN 61373 | |
| EN 50121 | 
| Mounting type | DIN rail mounting | 
| Assembly note | in rows with zero spacing | 
| Mounting position | any | 
| Item number | 2900325 | 
| Packing unit | 10 pc | 
| Minimum order quantity | 1 pc | 
| Note | Made to order (non-returnable) | 
| Sales key | 062 | 
| Product key | DK623A | 
| GTIN | 4046356507424 | 
| Weight per piece (including packing) | 99,99 g | 
| Weight per piece (excluding packing) | 99,99 g | 
| Customs tariff number | 85364900 | 
| Country of origin | DE | 
ETIM
| ETIM 8.0 | EC001437 | 
UNSPSC
| UNSPSC 21.0 | 39122300 | 
| EU RoHS | |
| Fulfills EU RoHS substance requirements | Yes | 
| Exemption | 7(a), 7(c)-I | 
| China RoHS | |
| Environment friendly use period (EFUP) | EFUP-50 An article-related China RoHS declaration table can be found in the download area for the respective article under "Manufacturer declaration". For all articles with EFUP-E, no China RoHS declaration table issued and required. | 
| EU REACH SVHC | |
| REACH candidate substance (CAS No.) | Lead (CAS: 7439-92-1) | 
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      REL-MR- 48DC/21HC - Single relay 2834821
Your advantages
Optimum relay operation thanks to wide-range electronics
        Vibration and shock resistance in accordance with EN 50155
        Safe isolation between coil and contact side
        Certified in accordance with EN 50155
        Temperature range: -40 °C ... + 70 °C (short-term 85 °C)
        Input voltage range of 0.7 to 1.25 x UN (1.4 x UN briefly)
        PHOENIX CONTACT (Pty) Ltd.
        
        36 Lyn Road P.O. Box 916 ZA-Ferndale 2160