During technical comparisons, REL-IR2-24DC-2X21 appears alongside Phoenix SMPS, Phoenixcontact Rel Ir Bl L 230Ac 4X21 and Phoenixcontact Phoenix Contact Industrial Ethernet Switches so engineers assess signal types, ingress protection, and ambient tolerances accurately.
Phoenix REL-IR2/24DC/2X21 Single Relay
The Phoenix REL-IR2/24DC/2X21 Single Relay (Part No: 2907051 ) offers a 24 V DCnominal input voltage UN, 18.7 V DC ... 46.8 V DC input voltage range, 250 V AC/DC switching voltage, Plug-in connection method. Manufactured by Phoenix under the Phoenix Single Relay category, this model belongs to the Phoenix REL Series.

| Brand | Phoenix Contact |
| Product Type | Single Relay |
| Model Number | REL-IR2/24DC/2X21 |
Phoenix REL-IR2/24DC/2X21 Single Relay β Technical Specifications
| Specification | Value |
|---|---|
| Product type | Single relay |
| Mechanical service life | approx. 2x 107 cycles |
| Insulation | Basic insulation |
| Overvoltage category | II |
| Pollution degree | 3 (Rated voltage of 230 V) |
| Service life electrical | - |
| Maximum power dissipation for nominal condition | 0.91 W |
| Test voltage (Winding/contact) | 2.5 kVrms (50 Hz, 1 min., winding/contact) |
| Test voltage (Changeover contact/changeover contact) | 2.5 kVrms (50 Hz, 1 min., changeover contact/changeover contact) |
| Rated insulation voltage | 250 V AC |
| Rated surge voltage | 2.5 kV |
| Nominal input voltage UN | 24 V DC |
| Input voltage range | 18.7 V DC ... 46.8 V DC |
| Drive and function | monostable |
| Drive (polarity) | non-polarized |
| Typical input current at UN | 38 mA |
| Typical response time | 3 ms |
| Coil voltage | - |
| Status display | - |
| Contact switching type | 2 changeover contacts |
| Type of switch contact | Single contact |
| Contact material | AgNi |
| Maximum switching voltage | 250 V AC/DC |
| Minimum switching voltage | 5 V (At 24 mA) |
| Limiting continuous current | 12 A |
| Maximum inrush current | 30 A (20 ms, N/O contacts) |
| Min. switching current | 5 mA (at 24 V) |
| Interrupting rating (ohmic load) max. | 288 W (at 24 V DC) |
| Connection method | Plug-in connection |
| Width | 21.2 mm |
| Height | 27.5 mm |
| Depth | 35.6 mm |
| Degree of protection | RT I |
| Degree of protection (Installation location) | - |
| Ambient temperature (operation) | -40 Β°C ... 70 Β°C |
| Ambient temperature (storage/transport) | -40 Β°C ... 85 Β°C |
| Standards/regulations | IEC 60664 |
| Mounting type | - |
| Mounting position | any |
| Mains frequency | - |
| Typical release time range | - |
| Coil resistance | - |
| Switching capacity | 2 A (at 24 V, DC13) |
| Motor load according to UL 508 | - |
| Input power dissipation for UN | - |
| 3-phase motor load | - |
| Product family | - |
| Relay type | - |
| Test voltage () | - |
| Degree of protection (Relay) | - |
| Inrush current, minimum | - |
| Non-operate voltage | - |
| Safe operate voltage | - |
| Test voltage (N/O contact / N/O contact) | - |
Get A Quote for Phoenix 24V DC Voltage Single Relay REL-IR2/24DC/2X21 part no: 2907051 at the best price. Here are the brief Technical Specifications of REL-IR2/24DC/2X21, 2907051 are mechanical service life of approx. 2x 107 cycles, designed for demanding industrial applications. The sensor operates at a nominal input voltage of 24 V DC, with an input voltage range of 18.7 V DC ... 46.8 V DC. The typical input current at UN is 38 mA with a response time of 13 ms. The sensor supports a maximum switching voltage of 250 V AC/DC, and a minimum switching voltage of 5 V (At 24 mA). It has a limiting continuous current of 12 A, with a maximum inrush current of 30 A (20 ms, N/O contacts), and a minimum switching current of 5 mA (at 24 V). The interrupting rating for ohmic loads is 288 W (at 24 V DC). The connection method is via a Plug-in connection, with a degree of protection rated at RT I. The sensor operates reliably in ambient temperatures ranging from -40 Β°C ... 70 Β°C. It's Time to get a Quote for your requirement of Phoenix 24V DC Voltage Single Relay. We guarantee unmatched pricing and unparalleled support compared to other Distributors.







