Product Model
PLC-RSP- 72UC/21-21AU/RW
Key Features
- 1Optimum relay operation thanks to wide-range electronics.
- 2Certified according to EN 50155 for railway applications.
- 3Vibration and shock resistance according to EN 50155.
- 4Safe isolation between coil and contact according to DIN EN 50178.
- 5Operates within a temperature range of -40°C to +70°C (+85°C briefly).
Technical Specifications
Detailed engineering parameters based on manufacturer documentation
| Parameter | Value | Parameter | Value |
|---|---|---|---|
| Product type | Relay Module | Product family | PLC-INTERFACE |
| Application | Railway applications | Installation location | Attached to the vehicle body |
| Operating mode | 100% operating factor | Mechanical service life | approx. 3x 10 |
| Date of last data management | 10.10.2023 | Article revision | 04 |
| Insulation | Basic insulation | Overvoltage category | III |
| Pollution degree | 2 | Maximum power dissipation for nominal condition | 0.43 W |
| Test voltage (Winding/contact) | 5 kV | Test voltage (Changeover contact/changeover contact) | 2.5 kV |
| Rated insulation voltage | 250 V AC | Rated surge voltage | 6 kV |
| Nominal input voltage U | 72 V DC | Input voltage range | 50.4 V DC ... 90 V DC |
| Input voltage range in reference to U | 0.7 ... 1.25 | Drive and function | monostable |
| Typical input current at U | 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 |
| Contact switching type | 2 changeover contacts | Type of switch contact | Single contact |
| Contact material | AgNi, hard gold-plated | Maximum switching voltage | 30 V AC
36 V DC |
| Minimum switching voltage | 100 mV (at 10 mA) | Limiting continuous current | 50 mA |
| Maximum inrush current | 50 mA | Min. switching current | 1 mA (at 24 V) |
| Interrupting rating (ohmic load) max. | 1.2 W (at 24 V DC) | Note | — |
| 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 | Maximum inrush current | 15 A (300 ms) |
| Min. switching current | 10 mA | Interrupting rating (ohmic load) max. | 140 W (at 24 V DC)
100 W (at 48 V DC)
60 W (at 60 V DC)
44 W (at 110 V DC)
60 W (at 220 V DC)
1500 VA (for 250 V AC) |
| Switching capacity | 2 A (at 24 V, DC13)
0.2 A (at 110 V, DC13)
0.2 A (at 250 V, DC13)
2 A (at 24 V, AC15)
2 A (at 120 V, AC15)
2 A (at 250 V, AC15) | Connection method | Spring-cage connection |
| Stripping length | 8 mm | Conductor cross section rigid | 0.14 mm² ... 2.5 mm² |
| Conductor cross section flexible | 0.14 mm² ... 2.5 mm² | Conductor cross section AWG | 26 ... 14 |
| Connection method | Spring-cage connection | Stripping length | 8 mm |
| Conductor cross section rigid | 0.14 mm² ... 2.5 mm² | Conductor cross section flexible | 0.14 mm² ... 2.5 mm² |
| Conductor cross section AWG | 26 ... 14 | Width | 14 mm |
| Height | 80 mm | Depth | 94 mm |
| Color | green (RAL 6021) | Flammability rating according to UL 94 | V0 (Housing) |
| Degree of protection (Relay base) | IP20 (Relay base) | Degree of protection (Relay) | RT III (Relay) |
| Ambient temperature (operation) | -40 °C ... 70 °C (Temperature class TX) | Ambient temperature (storage/transport) | -40 °C ... 85 °C |
| Standards/regulations | EN 50155 (VDE 0115 part 200)
IEC 60947-5-1
EN 61373
EN 50121 | Mounting type | DIN rail mounting |
| Assembly note | in rows with zero spacing | Mounting position | any |
Specifications may be subject to change without notice