Many procurement teams check PLC-RSC-24DC-21 against SMPS Phoenix, Phoenix 2966207 and Phoenixcontact Phoenix Contact Industrial Ethernet Switches before signing purchase orders, verifying quality, compliance, and after-sales support availability.
Phoenix PLC-RSC- 24DC/21 Relay Module
The Phoenix PLC-RSC- 24DC/21 Relay Module (Part No: 2966171 ) offers a 24 V DC nominal input voltage UN, 18.5 V DC ... 33.6 V DC (20 Β°C) input voltage range, polarized Drive, 5 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 |
Phoenix PLC-RSC- 24DC/21 Relay Module β Technical Specifications
| Specification | Value |
|---|---|
| Product type | Relay Module |
| Product family | PLC-INTERFACE |
| Application | Universal |
| Mechanical service life | 2x 107 cycles |
| Insulation | - |
| Overvoltage category | III |
| Pollution degree | - |
| Maximum power dissipation for nominal condition | 0.22 W |
| Test voltage (Winding/contact) | 4 kV AC (50 Hz, 1 min., winding/contact) |
| Test voltage (Changeover contact/changeover contact) | - |
| Rated surge voltage | - |
| Nominal input voltage UN | 24 V DC |
| Input voltage range | 18.5 V DC ... 33.6 V DC (20 Β°C) |
| Drive and function | monostable |
| Drive (polarity) | polarized |
| Typical input current at UN | 9 mA |
| Typical response time | 5 ms |
| Typical release time | 8 ms |
| Protective circuit | Reverse polarity protection; Polarity protection diode |
| Operating voltage display | Yellow LED |
| Contact switching type | 1 changeover contact |
| Type of switch contact | Single 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...) |
| 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) |
| 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 | 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) | -40 Β°C ... 70 Β°C (see to derating) |
| 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 | Power contact |
| Output fuse | 4 A gL/gG NEOZED |
| Degree of protection (Installation location) | β₯ IP54 (Installation location) |
The Phoenix Contact PLC-RSC-24DC/21 (Part No: 2966171) Relay Module delivers consistent performance in automation environments that demand efficient and safe electrical switching. Operating at a nominal input voltage of 24V DC, it supports a wide input range from 18.5V DC to 33.6V DC, ensuring stable functionality across variable supply conditions. This compact module is part of the PLC-INTERFACE family and features a single changeover contact made of AgSnO material for high conductivity and wear resistance. Its reverse polarity protection and polarity protection diode provide circuit safety, while the built-in yellow LED offers clear operational indication. The PLC-RSC-24DC/21 exhibits a mechanical service life of 2Γ10β· cycles and a maximum power dissipation of 0.22 W, highlighting its efficiency and endurance. Designed for easy installation with screw connection terminals and DIN rail mounting, it measures 6.2 mm in width, 80 mm in height, and 94 mm in depth. Compliant with IEC 60947-5-1 standards, the Phoenix Contact Relay Module performs dependably under industrial temperatures ranging from -40Β°C to 70Β°C, making it a dependable solution for engineers focused on reliability and space efficiency.
The Phoenix Contact Relay Module PLC-RSC-24DC/21 (2966171) is used in a wide range of automation and control applications, including PLC systems, machine interfaces, and signal switching tasks. This phoenix contact relay 24vdc supports reliable performance for power management, load control, and industrial process automation. Engineers prefer the PLC-RSC-24DC/21 for its DIN rail mounting convenience, fast switching response, and long service life. The phoenix contact 2966171 relay ensures secure and efficient signal transmission in compact electrical enclosures, reducing wiring complexity and downtime. Industrial buyers value its consistent operation, compact form, and low maintenance design, making it a dependable choice for 24VDC automation systems in production and control environments.
The PLC-RSC-24DC/21 (2966171) from Phoenix Contact combines compact design, electrical reliability, and high endurance for continuous-duty applications. The PLC-RSC-24DC-21-2966171 model delivers stable switching, minimal energy loss, and safe operation under industrial conditions. Recognized for its precision engineering, the Phoenix Contact Relay Module ensures consistent control performance and long-term durability. Whether installed in PLC racks or automation cabinets, the PLC-RSC-24DC/21 offers the dependability and efficiency demanded by modern industrial control systems.
