Phoenix REL-PR3- 24DC/3X21 Single Relay
The Phoenix REL-PR3- 24DC/3X21 Single Relay (Part No: 2903702 ) offers a 24 V DCnominal input voltage UN, 20.4 V DC ... 26.4 V DC (see diagram) input voltage range, 440 V AC 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-PR3- 24DC/3X21 |
Phoenix REL-PR3- 24DC/3X21 Single Relay – Technical Specifications
| Specification | Value |
|---|---|
| Product type | Single relay |
| Mechanical service life | approx. 107 cycles |
| Insulation | Basic insulation |
| Overvoltage category | III |
| Pollution degree | 3 |
| Service life electrical | see diagram |
| Maximum power dissipation for nominal condition | 1.34 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 | 4 kV |
| Nominal input voltage UN | 24 V DC |
| Input voltage range | 20.4 V DC ... 26.4 V DC (see diagram) |
| Drive and function | monostable |
| Drive (polarity) | non-polarized |
| Typical input current at UN | 56 mA |
| Typical response time | 20 ms |
| Typical release time | 15 ms |
| Contact switching type | 3 changeover contacts |
| Type of switch contact | Single contact |
| Contact material | AgNi |
| Maximum switching voltage | 440 V AC |
| Minimum switching voltage | 10 V (At 24 mA) |
| Limiting continuous current | 16 A |
| Maximum inrush current | 50 A (20 ms, N/O contacts) |
| Min. switching current | 10 mA (at 24 V) |
| Interrupting rating (ohmic load) max. | 384 W (at 24 V DC) |
| Connection method | Plug-in connection |
| Width | 38.6 mm |
| Height | 36.1 mm |
| Depth | 45.5 mm |
| Degree of protection | RT I |
| Degree of protection (Installation location) | ≥ IP54 (Installation location) |
| Ambient temperature (operation) | -40 °C ... 70 °C |
| Ambient temperature (storage/transport) | -40 °C ... 85 °C |
| Standards/regulations | IEC 60664 |
| Mounting position | any |
| Coil resistance | 430 Ω ±10 % |
| Motor load according to UL 508 | 1/3 HP, 120 V AC (single-phase AC motor) |
| Input power dissipation for UN | 1.35 W |
| 3-phase motor load | 1500 W (at 400 V, AC3) |
Please speak to our Technical Engineer for Phoenix Plug-in High-power Relay REL-PR3- 24DC/3X21 part no: 2903702 at attractive prices. Technical Specs Summary of REL-PR3- 24DC/3X21, 2903702 includes mechanical service life of approx. 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 20.4 V DC ... 26.4 V DC (see diagram). The typical input current at UN is 56 mA with a response time of 20 ms. The sensor supports a maximum switching voltage of 440 V AC, and a minimum switching voltage of 10 V (At 24 mA). It has a limiting continuous current of 16 A, with a maximum inrush current of 50 A (20 ms, N/O contacts), and a minimum switching current of 10 mA (at 24 V). The interrupting rating for ohmic loads is 384 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 ... 70 °C. Match Your Needs with a Quote for your requirement of Phoenix Plug-in High-power Relay. We lead with pricing that's more favorable and support that's more attentive than other Suppliers & Traders.
