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REL-IR2/LDP- 48DC/2X21 2903661 PHOENIX CONTACT Single relay
REL-IR2/LDP-48DC/2X21
2903661
PHOENIX CONTACT
10 Pcs.
Single relay
Plug-in industrial relays with power contacts, 2 inverter contacts, test key, status LED, free-flowing diode, mechanical switching position indication, A1+, A2-polarity, input voltage: 48 V DC
Plug-in industrial relay with power contacts, 2 changeover contacts, test button, status LED, freewheeling diode, mechanical switching position indicator, polarity: A1+, A2-, input voltage: 48 V DC
Automation > Switching relay
Industrial Relays
Product condition, packaging, certifications and applicable manufacturer warranty terms are confirmed with the quotation.
More info
▲Technical data
Product properties
| Product type | Single relay |
| Operating mode | 100% operating factor |
| Mechanical service life | approx. 2x 107cycles |
| Data management status | |
| Date of last data management | 02.05.2024 |
| Article revision | 02 |
| Insulation characteristics | |
| Insulation | Basic insulation |
| Overvoltage category | III |
| Pollution degree | 3 (Rated voltage of 230 V) |
| 2 (Rated voltage of 400 V) | |
Electrical properties
| Service life electrical | see diagram |
| Maximum power dissipation for nominal condition | 1.06 W |
| Test voltage (Winding/contact) | 2.5 kVrms(50 Hz, 1 min., winding/contact) |
| Test voltage (Contact/contact) | 2.5 kVrms(50 Hz, 1 min., contact/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 |
Input data
| Coil side | |
| Nominal input voltage UN | 48 V DC |
| Input voltage range | 37.4 V DC ... 93.6 V DC |
| Input voltage range in reference to UN | see diagram |
| Drive and function | monostable |
| Drive (polarity) | polarized |
| Typical input current at UN | 22 mA |
| Typical response time | 13 ms |
| Typical release time | 14 ms |
| Protective circuit | Freewheeling diode |
| Status display | LED (yellow) |
Output data
| Switching | |
| 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) |
| 124 W (at 48 V DC) | |
| 108 W (at 60 V DC) | |
| 52 W (at 110 V DC) | |
| 48 W (at 220 V DC) | |
| 3000 VA (for 250 V AC) | |
| Switching capacity min. | 0.12 W |
| Motor load according to UL 508 | 1/2 HP, 240 V AC |
Connection data
| Connection method | Plug-in connection |
Dimensions
| Width | 21.2 mm |
| Height | 27.5 mm |
| Depth | 35.6 mm |
Environmental and real-life conditions
| Ambient conditions | |
| Degree of protection | RT I |
| Ambient temperature (operation) | -40 °C ... 70 °C |
| Ambient temperature (storage/transport) | -40 °C ... 85 °C |
Approvals
| Corrosive gas test | |
| Identification | ISA-S71.04. G3 Harsh Group |
| EN 60068-2-60 | |
Standards and regulations
| Standards/regulations | IEC 60664 |
| IEC 61810 |
Mounting
| Mounting position | any |
| Feature Name | Feature Value |
|---|---|
| Type of electric connection (EF003961) | Plug-in connection |
| Complete with socket (EF003359) | No |
| With detachable clamps (EF003340) | No |
| With LED indication (EF005950) | Yes |
| Rated control supply voltage DC (EF003980) | 37.4 V |
| Voltage type for actuating (EF008242) | DC |
| Drive, polarization (EF003355) | Polarized |
| Drive, switching attitude (EF003356) | Mono stable |
| Number of contacts as normally closed contact (EF008255) | 0 |
| Number of contacts as normally open contact (EF008256) | 0 |
| Number of contacts as change-over contact (EF008257) | 2 |
| Type of switch contact (EF003358) | Single contact |
| With forced-guided contacts (EF003357) | No |
| Material of contact insert (EF008521) | Other |
| Material of contact surface (EF004020) | Untreated |
| Nominal current (EF000001) | 0.022 A |
| Degree of protection (IP) (EF005474) | Other |
| Width (EF000008) | 21.2 mm |
| Height (EF000040) | 27.5 mm |
| Depth (EF000049) | 35.6 mm |