In most procurement cycles, RIF-2-RSC-LDP-24DC-4X21 is considered with SMPS Phoenix, Phoenix 2966207 and Phoenixcontact Phoenix Contact Industrial Ethernet Switches, giving decision-makers confidence that theyโve chosen the most dependable component.
Phoenix RIF-2-RSC-LDP-24DC/4X21 Relay Module
The Phoenix RIF-2-RSC-LDP-24DC/4X21 Relay Module (Part No: 2903320 ) offers a 24 V DC nominal input voltage UN, 19.2 V DC ... 30 V DC (20 ยฐC) input voltage range, polarized Drive, 13 ms typical response time. Manufactured by Phoenix under the Phoenix Relay Module category, this model belongs to the Phoenix PLC Series.
| Brand | Phoenix Contact |
| Product Type | Relay Module |
| Model Number | RIF-2-RSC-LDP-24DC/4X21 |
Phoenix RIF-2-RSC-LDP-24DC/4X21 Relay Module โ Technical Specifications
| Specification | Value |
|---|---|
| Product type | Relay Module |
| Product family | RIFLINE complete |
| Application | Universal |
| Mechanical service life | approx. 2x 107 cycles |
| Insulation | Basic insulation |
| Overvoltage category | II |
| Pollution degree | 2 |
| Maximum power dissipation for nominal condition | 1.01 W |
| Test voltage (Winding/contact) | 2.5 kVrms (50 Hz, 1 min., winding/contact) |
| Test voltage (Changeover contact/changeover contact) | 2 kVrms (50 Hz, 1 min., changeover contact/changeover contact) |
| Rated surge voltage | 2.5 kV |
| Nominal input voltage UN | 24 V DC |
| Input voltage range | 19.2 V DC ... 30 V DC (20 ยฐC) |
| Drive and function | monostable |
| Drive (polarity) | polarized |
| Typical input current at UN | 42 mA |
| Typical response time | 13 ms |
| Typical release time | 14 ms |
| 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 |
| 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) |
| Switching capacity | - |
| Connection method | Screw connection |
| Stripping length | 8 mm |
| Conductor cross section rigid | 0.5 mmยฒ ... 4 mmยฒ |
| Conductor cross section flexible | 0.5 mmยฒ ... 4 mmยฒ |
| Conductor cross section AWG | 20 ... 10 (solid) |
| 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) | RT I (Relay) |
| Degree of protection (Relay base) | IP20 (Relay base) |
| Ambient temperature (operation) | -40 ยฐC ... 60 ยฐC |
| Ambient temperature (storage/transport) | -40 ยฐC ... 85 ยฐC |
| Temperature | - |
| Humidity | - |
| Vibration | - |
| EMC | - |
| Enclosure | - |
| Low Voltage Directive | - |
| Electromagnetic compatibility | - |
| Standards/regulations | IEC 60947-5-1 |
| Mounting Type | DIN rail mounting |
| Mounting position | any |
| Contact Connection type | - |
| Output fuse | - |
| Degree of protection (Installation location) | - |
The Phoenix Contact RIF-2-RSC-LDP-24DC/4X21 (Part No: 2903320) Relay Module offers consistent performance and electrical reliability in demanding automation environments. Part of the RIFLINE complete series, it operates efficiently at a nominal voltage of 24V DC with an input range from 19.2V DC to 30V DC. Engineered for endurance, the module features four changeover contacts constructed with AgNi material, ensuring excellent conductivity and long operational life. With a mechanical service life of approximately 2ร10โท cycles and a power dissipation of 1.01 W, it guarantees reliable switching even in high-load conditions. The RIF-2-RSC-LDP-24DC/4X21 is designed with a freewheeling diode for protection, a polarized drive function, and a yellow LED indicator for clear operational status. Measuring 27 mm wide, 89 mm high, and 75 mm deep, this compact unit supports DIN rail mounting for easy integration into control cabinets. Its test voltage rating of 2.5 kVrms and compliance with IEC 60947-5-1 standards ensure electrical safety and stable operation under industrial conditions. The Phoenix Contact Relay Module is trusted for reliable switching performance, energy efficiency, and long-term mechanical stability.
The Phoenix Contact Relay Module RIF-2-RSC-LDP-24DC/4X21 (2903320) is widely used in PLC systems, machine control panels, and automation lines requiring stable 24V DC switching. This Phoenix 24V Input Voltage Relay is designed for universal applications in power management, process control, and industrial signal circuits. Maintenance engineers prefer the RIF-2-RSC-LDP-24DC/4X21 for its screw connection terminals, quick wiring setup, and vibration-resistant housing. The relayโs durable contacts, fast switching response, and compact profile make it ideal for optimizing panel space in automated systems. Whether in manufacturing, utilities, or electrical distribution, this model provides dependable performance with minimal maintenance needs, ensuring efficient operation in continuous-duty applications.
The Phoenix Contact RIF-2-RSC-LDP-24DC/4X21 (2903320) is a precision-engineered relay module that delivers high switching reliability and operational consistency in automation environments. Built for long service life and low energy consumption, the rif-2-rsc-ldp-24dc-4x21-2903320 model ensures safe electrical isolation and stable 24VDC input control. Compact, efficient, and easy to integrate, it is favored by engineers and industrial buyers for its durability and dependable performance. The Phoenix Contact RIF-2-RSC-LDP-24DC/4X21 stands as a trusted solution for advanced control systems where precision and reliability are essential.
