Product Model
RIF-2-RSC-LDP-24DC/4X21/EX

Selling Points
- 1High Reliability: Designed with 4 PDTs and AgNi contacts for reliable switching operations.
- 2ATEX/IECEx Approved: Meets stringent safety standards for use in hazardous environments, ensuring safe operation.
- 3Efficient Performance: Operates at 24V DC with a typical input current of 42 mA, providing efficient power management.
- 4Wide Temperature Range: Operates in ambient temperatures from -40°C to 60°C, making it suitable for various industrial settings.
- 5Durable Construction: Built with a robust design, including a retaining bracket and screw connection, ensuring long-lasting performance.
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 | RIFLINE complete | Application | Class I, Division 2
potentially explosive areas |
Operating mode | 100% operating factor | Mechanical service life | approx. 2x 10 |
Date of last data management | 22.08.2024 | Article revision | 02 |
Insulation | Basic insulation | Overvoltage category | III
II (Zone 2) |
Pollution degree | 2 | Maximum power dissipation for nominal condition | 1.01 W |
Test voltage (Winding/contact) | 2.5 kV | Test voltage (Changeover contact/changeover contact) | 2 kV |
Rated insulation voltage | 250 V AC | Rated surge voltage | 2.5 kV |
Nominal input voltage U | 24 V DC | Input voltage range | 19.2 V DC ... 30 V DC (20 °C) |
Input voltage range in reference to U | see diagram | Drive and function | monostable |
Drive (polarity) | polarized | Typical input current at U | 42 mA |
Typical response time | 13 ms | Typical release time | 14 ms |
Coil voltage | 24 V DC | Protective circuit | Freewheeling diode |
Operating voltage display | Yellow LED | Contact switching type | 4 changeover contacts |
Type of switch contact | Single contact | Contact material | AgNi |
Maximum switching voltage | 250 V AC/DC | Minimum switching voltage | 5 V (24 mA) |
Limiting continuous current | 6 A (see diagram) | Maximum inrush current | 16 A (20 ms, N/O contacts) |
Min. switching current | 5 mA (24 V) | Interrupting rating (ohmic load) max. | 144 W (24 V DC)
124 W (48 V DC)
108 W (60 V DC)
52 W (110 V DC)
48 W (220 V DC)
1500 VA (250 V AC) |
Utilization category CB Scheme (IEC 60947-5-1) | AC15, 1 A/240 V (N/O contact)
DC13, 2 A/24 V (N/O contact) | Connection method | Screw connection |
Stripping length | 8 mm | Conductor cross section rigid | 0.5 mm² ... 4 mm² |
Conductor cross-section rigid (2 conductors with same cross section) | 0.5 mm² ... 2.5 mm² | Conductor cross section flexible | 0.5 mm² ... 4 mm²
0.5 mm² ... 4 mm² (Ferrule with plastic sleeve) |
Conductor cross section flexible (2 conductors with same cross section) | 0.5 mm² ... 2.5 mm²
0.5 mm² ... 1.5 mm² (TWIN ferrule with plastic sleeve) | Conductor cross section AWG | 20 ... 10 (solid)
20 ... 12 (flexible) |
Tightening torque | 0.5 Nm ... 0.6 Nm | Width | 27 mm |
Height | 89 mm | Depth | 75 mm |
Color | gray (RAL 7042) | Flammability rating according to UL 94 | V2 (Housing) |
Degree of protection (Relay base) | IP20 (Relay base) | Degree of protection (Relay) | RT III (Relay) |
Ambient temperature (operation) | -40 °C ... 60 °C | Ambient temperature (storage/transport) | -40 °C ... 85 °C |
Identification | II 3G Ex ec nC IIC T4 Gc | Certificate | IBExU17ATEXB014X |
Identification | II 3G Ex ec nC IIC T4 Gc | Certificate | PxcIF21UKEX2909741X |
Identification | Ex ec nC IIC T4 Gc | Certificate | IECEx IBE 17.0032X |
Identification | Class I, Div. 2, Groups A, B, C, D T4
Class I, Zone 2, Group IIC | Identification | ISA-S71.04. G3 Harsh Group
EN 60068-2-60 |
Standards/regulations | IEC 60947-5-1 | Standards/regulations | EN/IEC 60079-0
EN/IEC 60079-7
EN/IEC 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