
2900322
PLC-RPT- 72UC/21AU/RW - Relay Module
PLC-INTERFACE for railway applications, consisting of basic terminal block with Push-in connection and plug-in miniature relay with multi-layer gold contact, 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
- Optimum relay operation thanks to wide-range electronics
- Vibration and shock resistance in accordance with EN 50155
- Certified in accordance with EN 50155
- Safe isolation between coil and contact side
- Input voltage range of 0.7 to 1.25 x UN (1.4 x UN briefly)
- Temperature range: -40 °C ... + 70 °C (short-term 85 °C)
PLC-RPT
Phoenix Contact PLC-RPT Series – Compact relay modules for reliable switching in control cabinets and industrial automation systems. Features slim DIN-rail design with push-in terminals for tool-free installation.
Series Options:
- Universal Relays: Standard switching with single/dual changeover contacts
- High-Current (HC): Up to 10 A continuous load capacity
- Gold-Plated (AU): Optimized for low-power signal switching
- Manual Switch (MS): Integrated test buttons and LED indication
- Voltage Range: 12 V DC to 230 V AC/DC compatibility
Key Benefits: Space-saving slim profile, tool-free push-in connections, comprehensive voltage and contact options, LED status indication available, and reliable performance in demanding industrial environments.
Applications: Industrial automation, control panel switching, signal isolation, and load control.
Product properties
Product family | PLC-INTERFACE |
Application | Railway applications |
Installation location | Attached to the vehicle body |
Operating mode | 100% operating factor |
Mechanical service life | approx. 2x 10⁷ cycles |
Insulation characteristics
Overvoltage category | III |
Pollution degree | 2 |
Electrical properties
Maximum power dissipation for nominal condition | 0.22 W |
Test voltage (Winding/contact) | 4 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 |
Drive (polarity) | polarized |
Typical input current at UN | 3 mA |
Typical response time | 4 ms |
Typical release time | 4 ms |
Coil Voltage | 48 V DC |
Protective circuit | Surge protection; Freewheeling diode |
Protective circuit | RCZ filter |
Protective circuit | Wide-range electronics |
Operating voltage display | Yellow LED |
Switching
Contact switching type | 1 changeover contact |
Type of switch contact | Single contact |
Contact Material | AgSnO, hard gold-plated |
Maximum Switching Voltage | 30 V AC |
Maximum Switching Voltage | 36 V DC |
Minimum Switching Voltage | 100 mV (10 mA) |
Limiting Continuous Current | 50 mA |
Maximum Inrush Current | 50 mA |
Min. switching current | 1 mA (24 V) |
Short-circuit current | 200 A (conditional short-circuit current) |
Interrupting rating (ohmic load) max. | 1.2 W (at 24 V DC) |
Output fuse | 4 A gL/gG NEOZED |
Switching capacity | 1 A (24 V (DC13)) |
Switching capacity | 0.2 A (110 V (DC13)) |
Switching capacity | 0.1 A (220 V (DC13)) |
Switching capacity | 3 A (24 V (AC15)) |
Switching capacity | 3 A (120 V (AC15)) |
Switching capacity | 3 A (230 V (AC 15)) |
Switching: when the gold layer is destroyed
Note | the following values are applicable if a gold layer is destroyed |
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 AC/DC |
Limiting Continuous Current | 6 A |
Min. switching current | 10 mA |
Interrupting rating (ohmic load) max. | 140 W (at 24 V DC) |
Interrupting rating (ohmic load) max. | 20 W (at 48 V DC) |
Interrupting rating (ohmic load) max. | 18 W (at 60 V DC) |
Interrupting rating (ohmic load) max. | 23 W (at 110 V DC) |
Interrupting rating (ohmic load) max. | 40 W (at 220 V DC) |
Interrupting rating (ohmic load) max. | 1500 VA (for 250 V AC) |
Connection data
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 |
Conductor cross section flexible | 0.2 mm² ... 2.5 mm² (Single ferrule) |
Conductor cross section flexible | 2x 0.5 mm² ... 1 mm² (TWIN ferrule) |
Conductor cross section AWG | 26 ... 14 |
Dimensions
Width | 6.2 mm |
Height | 80 mm |
Depth | 94 mm |
Material specifications
Color | gray (RAL 7042) |
Flammability rating according to UL 94 | 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 |
Identification | EN 60068-2-60 |
DNV GL data
Temperature | D |
Humidity | A |
Vibration | B/C |
EMC | B |
Enclosure | Required protection according to the Rules shall be provided upon installation on board |
EMC data
Low Voltage Directive | Conformance with Low Voltage Directive |
Electromagnetic compatibility | Conformance with EMC directive |
Standards and Regulations
Standards/regulations | IEC 60947-5-1 |
Standards/regulations | EN 50155 (VDE 0115 part 200) |
Standards/regulations | EN 61373 |
Standards/regulations | EN 50121 |
Mounting
Mounting Type | DIN rail mounting |
Assembly instructions | in rows with zero spacing |
Mounting Position | any |
Why Proax for Phoenix Contact 2900322?
Proax is an authorized distributor of Phoenix Contact 2900322 and one of Phoenix Contact's largest distributors in North America. Our highly skilled in-house technical team is ready to assist with any technical needs.
Have a question in mind? to help you get the right product as quickly as possible for your project. We're always here to help!
Pack Size | 10 |