Product Model
PLC-RSC-120UC/21-21

Selling Points
- 1Slim Design: Compact dimensions (14 mm x 80 mm x 94 mm) for easy installation.
- 2Efficient Connections: Screw connection with stripping length of 8 mm and M3 screw thread.
- 3Robust Isolation: Safe isolation between coil and contact side according to DIN EN 50178.
- 4High Switching Capacity: Maximum switching voltage of 250 V AC/DC and interrupting rating up to 1500 VA.
- 5Reliable Operation: Monostable drive with polarized polarity and typical response time of 7 ms.
Technical Specifications
Detailed engineering parameters based on manufacturer documentation
Parameter | Value | Parameter | Value |
---|---|---|---|
Product type | Relay Module | Product family | PLC-INTERFACE |
Application | Universal | Operating mode | 100% operating factor |
Mechanical service life | 3x 10 | Date of last data management | 01.08.2024 |
Article revision | 12 | Insulation | Safe isolation: Control side / contact side |
Overvoltage category | III | Pollution degree | 3 |
Maximum power dissipation for nominal condition | 0.54 W | Test voltage (Winding/contact) | 4 kV AC (50 Hz, 1 min., winding/contact) |
Test voltage (Changeover contact/changeover contact) | 2.5 kV AC (50 Hz, 1 min., changeover contact/changeover contact) | Rated surge voltage | 6 kV |
Nominal input voltage U | 120 V AC
110 V DC | Input voltage range | 102 V AC ... 168 V AC (20 °C)
85.8 V DC ... 154 V DC (20 °C) |
Nominal voltage (plugged-in electromechanical relay) | 110 V DC | Drive and function | monostable |
Drive (polarity) | polarized | Typical input current at U | 4.5 mA (at U
4.2 mA (at U |
Typical response time | 7 ms | Typical release time | 10 ms |
Protective circuit | Bridge rectifier; Bridge rectifier | Operating voltage display | Yellow LED |
Contact switching type | 2 changeover contacts | Type of switch contact | Single contact |
Contact material | AgNi | Maximum switching voltage | 250 V AC/DC (The separating plate PLC-ATP should be installed for voltages larger than 250 V (L1, L2, L3) between identical terminal blocks in adjacent modules. Potential bridging is then carried out with FBST 8-PLC... or ...FBST 500...) |
Minimum switching voltage | 5 V AC/DC (10 mA) | Limiting continuous current | 6 A |
Maximum inrush current | 15 A (300 ms) | Min. switching current | 10 mA (5 V) |
Interrupting rating (ohmic load) max. | 140 W (at 24 V DC)
85 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)
3 A (at 24 V, AC15)
3 A (at 120 V, AC15)
0.2 A (at 250 V, DC13)
3 A (at 250 V, AC15) |
Connection method | Screw connection | Stripping length | 8 mm |
Screw thread | M3 | 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 ... 1.5 mm² (TWIN ferrule) | Conductor cross section AWG | 26 ... 14 |
Tightening torque | 0.6 Nm ... 0.8 Nm | Width | 14 mm |
Height | 80 mm | Depth | 94 mm |
Color | gray (RAL 7042) | Flammability rating according to UL 94 | V0 (Housing) |
Degree of protection (Relay) | RT III (Relay) | Degree of protection (Relay base) | IP20 (Relay base) |
Ambient temperature (operation) | -40 °C ... 60 °C | Ambient temperature (storage/transport) | -40 °C ... 85 °C |
Certificate | CE-compliant | Certificate | UKCA-compliant |
Certificate | TAE0000196 | Identification | ISA-S71.04. G3 Harsh Group
EN 60068-2-60 |
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 | IEC 60947-5-1 |
Mounting type | DIN rail mounting | Assembly note | in rows with zero spacing |
Mounting position | any |
Specifications may be subject to change without notice