Phoenix PLC-RSC-24DC/21-21 2 Changeover Contacts Relay
Phoenix PLC-RSC-24DC/21-21 is a relay module with 24 V DC nominal input and 2 changeover contacts for control circuits. This Phoenix Phoenix 2 Changeover Contacts Relay 2967060 belongs to the PLC Series and features 4 kV AC test voltage, 6 kV rated surge voltage, monostable polarized drive, reverse polarity protection, yellow LED operating display, AgNi contact material, screw connection, 8 ms response time, 10 ms release time, and safe isolation between control and contact sides.

| Brand | Phoenix Contact |
| Product Type | Relay Module |
| Model Number | PLC-RSC- 24DC/21-21 |
Phoenix PLC-RSC-24DC/21-21 2 Changeover Contacts Relay - Technical Specifications
| Specification | Value |
|---|---|
| Product type | Relay Module |
| Product family | PLC-INTERFACE |
| Application | Universal |
| Mechanical service life | 3x 107 cycles |
| Insulation | Safe isolation: Control side / contact side |
| 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 °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 |
| 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 | 15 A (300 ms) |
| Min. switching current | 10 mA (5 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 mm² ... 2.5 mm² |
| Conductor cross section flexible | 0.14 mm² ... 2.5 mm² |
| 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 °C ... 60 °C |
| Ambient temperature (storage/transport) | -40 °C ... 85 °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 PLC-RSC-24DC/21-21 Phoenix 2 Changeover Contacts Relay 2967060 is designed for universal industrial switching tasks. It operates with a 24 V DC nominal input and provides 2 changeover contacts with AgNi material. With 4 kV AC insulation and 6 kV surge voltage, it supports safe isolation between control and contact sides. As part of the PLC Series, this relay module is integrated into industrial automation systems across India.
In conveyor controls, packaging equipment, assembly stations, and panel-based automation systems, the PLC-RSC-24DC/21-21 ensures reliable signal switching. The monostable polarized drive enables stable operation, while reverse polarity protection safeguards control circuits. Its 8 ms response time and 10 ms release time allow consistent switching performance in time-sensitive industrial processes.
The PLC-RSC-24DC/21-21 Phoenix 2 Changeover Contacts Relay 2967060 combines defined electrical insulation, controlled switching, and mechanical durability up to 3x 10⁷ cycles. With 24 V DC input, 2 changeover contacts, and secure screw connection, it meets structured control panel requirements. Manufactured by Phoenix under the PLC Series, this relay module supports dependable operation in industrial automation environments.







