Product Model
PLC-RSC- 48DC/21-21/MS

Selling Points
- 1Supports up to 250 V AC/DC with the separating plate PLC-ATP for higher voltage applications.
- 2Slim design with efficient connection to system cabling using V8 adapter for easy integration.
- 3100% operating factor and mechanical service life of 5x 10^6 cycles ensure reliable performance.
- 4Safe isolation between coil and contact side, meeting DIN EN 50178 standards for enhanced safety.
- 5Suitable for universal applications, including DIN rail mounting on NS 35/7.5, with 2 changeover contacts.
Technical Specifications
Detailed engineering parameters based on manufacturer documentation
Parameter | Value | Parameter | Value |
---|---|---|---|
Product type | Relay Module | Product family | PLC-INTERFACE |
Application | Palm switch | Operating mode | 100% operating factor |
Mechanical service life | 5x 10 | Date of last data management | 01.08.2024 |
Article revision | 02 | Insulation | Safe isolation, reinforced insulation |
Overvoltage category | III | Pollution degree | 2 |
Maximum power dissipation for nominal condition | 0.92 W | Test voltage (Winding/contact) | 4 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 | 48 V DC |
Input voltage range | 40.3 V DC ... 62.4 V DC (20 °C) | Nominal voltage (plugged-in electromechanical relay) | 24 V DC |
Drive and function | monostable | Drive (polarity) | polarized |
Typical input current at U | 19 mA | Typical response time | 6 ms |
Typical release time | 10 ms | Protective circuit | Bridge rectifier |
Operating voltage display | yes | 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 | 12 V (10 mA) |
Limiting continuous current | 6 A | Maximum inrush current | 12 A (20 ms) |
Min. switching current | 10 mA (12 V) | Interrupting rating (ohmic load) max. | 192 W (24 V DC)
62 W (48 V DC)
42 W (60 V DC)
55 W (110 V DC)
66 W (220 V DC)
2000 VA (250 V AC) |
Switching capacity | 1 A (24 V, DC13)
1.5 A (230 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 | 104 mm | Color | gray (RAL 7042) |
Flammability rating according to UL 94 | V0 (Housing) | Degree of protection (Relay) | RT II (Relay) |
Degree of protection (Relay base) | IP20 (Relay base) | Degree of protection (Installation location) | ≥ IP54 (Installation location) |
Ambient temperature (operation) | -20 °C ... 60 °C | Ambient temperature (storage/transport) | -20 °C ... 85 °C |
Altitude | ≤ 2000 m | Certificate | CE-compliant |
Certificate | UKCA-compliant | Identification | UL 508
UL 508 Recognized |
Identification | UL 508
UL 508 Recognized | 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 | EN 50178 | Mounting type | DIN rail mounting |
Assembly note | in rows with zero spacing | Mounting position | any |
Specifications may be subject to change without notice