Maintenance teams planning replacements for PLC-RSC-24DC-21-21AU frequently review SMPS Phoenix, Phoenix Contact Relay Socket and Phoenixcontact Phoenix Contact Logic Modules Supply to prevent downtime, checking availability and compatibility with existing systems.
Phoenix PLC-RSC- 24DC/21-21AU Relay Module
The Phoenix PLC-RSC- 24DC/21-21AU Relay Module (Part No: 2967125 ) offers a 24 V DC nominal input voltage UN, 20.2 V DC ... 33.6 V DC (20 Β°C) input voltage range, polarized Drive, 8 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 | PLC-RSC- 24DC/21-21AU |
Phoenix PLC-RSC- 24DC/21-21AU Relay Module β Technical Specifications
| Specification | Value |
|---|---|
| Product type | Relay Module |
| Product family | PLC-INTERFACE |
| Application | Universal |
| Mechanical service life | 3x 107 cycles |
| Insulation | Basic insulation |
| Overvoltage category | III |
| Pollution degree | 3 |
| Maximum power dissipation for nominal condition | 0.43 W |
| Test voltage (Winding/contact) | 4 kV AC (50 Hz, 1 min., winding/contact) |
| Test voltage (Changeover contact/changeover contact) | 2.5 kV AC (50 Hz, 1 min., changeover contact/changeover contact) |
| Rated surge voltage | 6 kV |
| Nominal input voltage UN | 24 V DC |
| Input voltage range | 20.2 V DC ... 33.6 V DC (20 Β°C) |
| Drive and function | monostable |
| Drive (polarity) | polarized |
| Typical input current at UN | 18 mA |
| Typical response time | 8 ms |
| Typical release time | 10 ms |
| Protective circuit | Reverse polarity protection; Polarity protection diode |
| Operating voltage display | Yellow LED |
| Contact switching type | 2 changeover contacts |
| Type of switch contact | Single contact |
| Contact material | AgNi, hard gold-plated |
| Maximum switching voltage | 250 V AC/DC |
| Limiting continuous current | 6 A |
| Maximum inrush current | 15 A (300 ms) |
| Min. switching current | 10 mA |
| Interrupting rating (ohmic load) max. | 140 W (at 24 V DC) |
| Switching capacity | 2 A (at 24 V, DC13) |
| Connection method | Screw connection |
| Stripping length | 8 mm |
| Conductor cross section rigid | 0.14 mmΒ² ... 2.5 mmΒ² |
| Conductor cross section flexible | 0.14 mmΒ² ... 2.5 mmΒ² |
| Conductor cross section AWG | 26 ... 14 |
| Tightening torque | 0.6 Nm ... 0.8 Nm |
| Width | 14 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) | -40 Β°C ... 60 Β°C |
| Ambient temperature (storage/transport) | -40 Β°C ... 85 Β°C |
| Temperature | D |
| Humidity | A |
| Vibration | B/C |
| EMC | B |
| Enclosure | Required protection according to the Rules shall be provided upon installation on board |
| Low Voltage Directive | Conformance with Low Voltage Directive |
| Electromagnetic compatibility | Conformance with EMC directive |
| 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 PLC-RSC-24DC/21-21AU (Part No: 2967125) is a durable Phoenix Contact 24V Miniature Relay engineered for universal automation applications. It operates at a nominal input voltage of 24 V DC with an input voltage range of 20.2 V DC to 33.6 V DC, ensuring stable performance under varying load conditions. The relay draws a typical input current of 18 mA, providing a fast response time of 8 ms and release time of 10 ms, ideal for precision-driven control circuits.
Built with superior mechanical integrity, the PLC-RSC-24DC/21-21AU delivers a mechanical service life of 3Γ10β· cycles, ensuring exceptional reliability over extended operational periods. Its AgNi hard gold-plated contacts enhance electrical conductivity and reduce contact wear, while the screw connection design simplifies installation and maintenance. Supporting up to 6 A of continuous current and handling inrush currents up to 15 A, this Relay Module is both powerful and efficient. Conforming to IEC 60947-5-1 standards, it features reverse polarity protection, LED operation indication, and IP20-rated protection for industrial control panels. Engineers and wholesalers rely on this Phoenix Contact model for stable and safe relay switching across automation systems.
The PLC-RSC-24DC/21-21AU is widely used in industrial control cabinets, signal transmission, and power distribution systems where dependable relay switching is crucial. This Relay Module efficiently manages control signals between PLC outputs and actuators in manufacturing and automation setups. Maintenance engineers trust its consistent operation under vibration and temperature variations ranging from -40Β°C to 60Β°C, ensuring reliability even in harsh factory conditions.
The Phoenix Contact 24V Miniature Relay is well-suited for machine builders, OEM integrators, and process industries requiring fast switching and safe isolation between control and power circuits. It ensures reduced downtime and improved signal accuracy, making it an ideal choice for upgrading legacy relay systems. This moduleβs compact design and PLC-INTERFACE integration make it a practical solution for space-limited panels where safety and performance are priorities.
Industrial professionals searching for PLC-RSC-24DC-21-21AU-2967125, 2967125 Phoenix Contact, or PLC-RSC-24DC/21-21AU Phoenix often choose this model for precision control and long service life. The Phoenix Contact 2967125 combines robust engineering with a low power dissipation of 0.43 W, ensuring energy efficiency and operational safety. Many dealers and distributors recommend the PLC-RSC-24DC/21-21AU for its proven performance, stable operation, and compatibility with DIN rail systems. Whether used in automation cabinets or control panels, this Relay Module continues to set a benchmark in reliability and efficiency among industrial buyers and Phoenix Contact suppliers in India.
