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

Selling Points
- 1DIN-Rail Mountable: Compact design fits seamlessly on DIN rails.
- 2High Power Contact: 6 A power contact ensures reliable switching operations.
- 3ATEX/IECEx Certified: Approved for Zone 2 applications, ensuring safety in hazardous environments.
- 4Versatile Input Voltage: Compatible with 120 V AC and 110 V DC input voltages.
- 5Fast Response Time: Typical response time of 6 ms for quick switching operations.
Technical Specifications
Detailed engineering parameters based on manufacturer documentation
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 | Class I, Division 2
potentially explosive areas |
Operating mode | 100% operating factor | Mechanical service life | 2x 10 |
Date of last data management | 01.08.2024 | Article revision | 02 |
Overvoltage category | III | Pollution degree | 3 |
Maximum power dissipation for nominal condition | 0.42 W | Test voltage (Winding/contact) | 4 kV AC (50 Hz, 1 min., winding/contact) |
Nominal input voltage U | 120 V AC
110 V DC | Input voltage range | 93.6 V AC ... 168 V AC (20 °C)
85.8 V DC ... 154 V DC (20 °C) |
Nominal voltage (plugged-in electromechanical relay) | 60 V DC | Drive and function | monostable |
Drive (polarity) | polarized | Typical input current at U | 3.5 mA (U
3 mA (U |
Typical response time | 6 ms | Typical release time | 15 ms |
Protective circuit | Bridge rectifier; Bridge rectifier | Operating voltage display | Yellow LED |
Contact switching type | 1 changeover contact | Type of switch contact | Single contact |
Contact connection type | Power contact | Contact material | AgSnO |
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 (100 mA) |
Limiting continuous current | 6 A | Maximum inrush current | 10 A (4 s) |
Min. switching current | 10 mA (12 V) | Interrupting rating (ohmic load) max. | 140 W (at 24 V DC)
20 W (at 48 V DC)
18 W (at 60 V DC)
23 W (at 110 V DC)
40 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)
0.1 A (at 220 V, DC13)
3 A (at 24 V, AC15)
3 A (at 120 V, AC15)
3 A (at 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 | 6.2 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) | -20 °C ... 60 °C (UL)
-40 °C ... 60 °C (ATEX / IECEx) |
Ambient temperature (storage/transport) | -40 °C ... 85 °C | Certificate | CE-compliant |
Identification | II 3G Ex ec nC IIC T4 Gc | Certificate | IBExU16ATEXB015 X |
Identification | Ex ec nC IIC T4 Gc | Certificate | IECEx IBE 16.0029X |
Identification | II 3 G Ex ec nC IIC T4 Gc | Certificate | PxCIF21UKEX2909514X |
Identification | Class I, Zone 2, AEx nA nC IIC T6 | Identification | Class I, Div. 2, Groups A, B, C, D |
Identification | Class I, Zone 2, Ex nA nC IIC Gc T6 X | 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
EN 60079-0
EN 60079-7
EN 60079-15 | Mounting type | DIN rail mounting |
Assembly note | in rows with zero spacing | Mounting position | any |
Specifications may be subject to change without notice