Maintenance teams planning replacements for REL-IR4-L-230AC-4X21AU 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 REL-IR4/L-230AC/4X21AU Single Relay
The Phoenix REL-IR4/L-230AC/4X21AU Single Relay (Part No: 2903685 ) offers a 230 V ACnominal input voltage UN, 179.4 V AC ... 317.4 V AC (20 °C) 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-IR4/L-230AC/4X21AU |
Phoenix REL-IR4/L-230AC/4X21AU Single Relay – Technical Specifications
| Specification | Value |
|---|---|
| Product type | Single relay |
| Mechanical service life | approx. 2x 107 cycles |
| Insulation | Basic insulation |
| Overvoltage category | II |
| Pollution degree | 2 |
| Service life electrical | see diagram |
| Maximum power dissipation for nominal condition | 1.5 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 insulation voltage | 250 V AC |
| Rated surge voltage | 2.5 kV |
| Nominal input voltage UN | 230 V AC |
| Input voltage range | 179.4 V AC ... 317.4 V AC (20 °C) |
| Drive and function | monostable |
| Drive (polarity) | non-polarized |
| Typical input current at UN | 6.5 mA |
| Typical response time | - |
| Coil voltage | - |
| Status display | LED (yellow) |
| Contact switching type | 4 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 | 6 A |
| Maximum inrush current | 16 A (20 ms, N/O contacts) |
| Min. switching current | 5 mA (at 24 V) |
| Interrupting rating (ohmic load) max. | 144 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 °C ... 55 °C |
| Ambient temperature (storage/transport) | -40 °C ... 85 °C |
| Standards/regulations | IEC 60664 |
| Mounting type | - |
| Mounting position | any |
| Mains frequency | 50/60 Hz |
| Typical release time range | 5 ms ... 20 ms (depending on phase relation) |
| 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) | - |
Please speak to our Technical Engineer for Phoenix Hard Gold Plating Single Relay REL-IR4/L-230AC/4X21AU part no: 2903685 at attractive prices. Technical Specs Summary of REL-IR4/L-230AC/4X21AU, 2903685 includes mechanical service life of approx. 2x 107 cycles, designed for demanding industrial applications. The sensor operates at a nominal input voltage of 230 V AC, with an input voltage range of 179.4 V AC ... 317.4 V AC (20 °C). The typical input current at UN is 6.5 mA with a response time of 5 ms ... 15 ms (depending on phase relation). 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 6 A, with a maximum inrush current of 16 A (20 ms, N/O contacts), and a minimum switching current of 5 mA (at 24 V). The interrupting rating for ohmic loads is 144 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 °C ... 55 °C. Match Your Needs with a Quote for your requirement of Phoenix Hard Gold Plating Single Relay. We lead with pricing that's more favorable and support that's more attentive than other Suppliers & Traders.






