PLC-RSP- 48DC/21-21
Product ID:21023
Updated: 2026/7/30
Key Features
- 1Compact dimensions for easy integration into DIN rail systems.
- 2Utilizes V8 adapter for efficient connection to system cabling.
- 3Ensures safe isolation between coil and contact side with RT III sealed relay.
- 4Includes integrated input circuit and interference suppression circuit for reliable operation.
- 5Offers 2x 10^7 cycles mechanical service life for durability.
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Technical Specifications
Detailed engineering parameters
| Parameter | Value | Parameter | Value |
|---|---|---|---|
| EMC note | EMC: class A product, see manufacturer's declaration in the download area | 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 | 10.10.2023 | Insulation | Safe isolation: Control side / contact side |
| Overvoltage category | III | Pollution degree | 2 |
| Maximum power dissipation for nominal condition | 0.96 W | Rated surge voltage | 6 kV |
| Nominal input voltage U | 48 V DC | Input voltage range | 40.3 V DC ... 60 V DC |
| Typical input current at U | 20 mA | Typical response time | 8 ms |
| Typical release time | 10 ms | Protective circuit | Reverse polarity protection; Polarity protection diode
Freewheeling diode; Freewheeling diode |
| 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 (at 10 mA) |
| Limiting continuous current | 6 A | Maximum inrush current | 15 A (300 ms) |
| Min. switching current | 10 mA (At 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 | 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) | 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 |
| Standards/regulations | IEC 60664
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
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