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Phoenix REL-IR4/LDP-125DC/4X21 Single Relay
The Phoenix REL-IR4/LDP-125DC/4X21 Single Relay (Part No: 2903681 ) offers a 125 V DCnominal input voltage UN, 100 V DC ... 225 V DC (20 ยฐC) 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/LDP-125DC/4X21 |
Phoenix REL-IR4/LDP-125DC/4X21 Single Relay โ 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 | 0.96 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 | 125 V DC |
| Input voltage range | 100 V DC ... 225 V DC (20 ยฐC) |
| Drive and function | monostable |
| Drive (polarity) | polarized |
| Typical input current at UN | 7.7 mA |
| Typical response time | 14 ms |
| 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 ยฐC ... 70 ยฐC |
| Ambient temperature (storage/transport) | -40 ยฐC ... 85 ยฐC |
| 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 | 1/3 HP, 240 V AC |
| 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) | - |
Ask for the Pricing of Phoenix Coil Voltage 125 V Single Relays REL-IR4/LDP-125DC/4X21 part no: 2903681 at unbeatable prices. Detailed Specifications of REL-IR4/LDP-125DC/4X21, 2903681 feature mechanical service life of approx. 2x 107 cycles, designed for demanding industrial applications. The sensor operates at a nominal input voltage of 125 V DC, with an input voltage range of 100 V DC ... 225 V DC (20 ยฐC). The typical input current at UN is 7.7 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 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 ยฐC ... 70 ยฐC. Now's the Time to Secure a Quote for your requirement of Phoenix Coil Voltage 125 V Single Relays. We're committed to offering more favorable pricing and more responsive support than other Traders.







