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Images are for illustrative purposes only. Please refer to data sheet for details
REL-MR- 12DC/21-21AU 2961299 PHOENIX CONTACT Single relay
REL-MR-12DC/21-21AU
2961299
PHOENIX CONTACT
10 Pcs.
Single relay
Plug-in miniature power relay, with multi-layer gold contact, 2 switched contacts, input voltage 12 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 | 3x 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 |
Electrical properties
| Service life electrical | see diagram |
| Maximum power dissipation for nominal condition | 0.4 W |
| Test voltage (Winding/contact) | 5 kV AC (50 Hz, 1 min., winding/contact) |
| Test voltage (Contact/contact) | 2.5 kV AC (50 Hz, 1 min., contact/contact) |
Input data
| Coil side | |
| Nominal input voltage UN | 12 V DC |
| Input voltage range | 7.8 V DC ... 29.76 V DC |
| Drive and function | monostable |
| Drive (polarity) | non-polarized |
| Typical input current at UN | 33 mA |
| Typical response time | 7 ms |
| Typical release time | 3 ms |
| Coil resistance | 360 Ω ±10 % (at 20 °C) |
Output data
| Switching | |
| Contact switching type | 2 changeover contacts |
| Type of switch contact | Single contact |
| Contact material | AgNi, hard gold-plated |
| Maximum switching voltage | 30 V AC |
| 36 V DC | |
| Minimum switching voltage | 100 mV (at 10 mA) |
| Limiting continuous current | 50 mA |
| Maximum inrush current | 50 mA |
| Min. switching current | 1 mA (at 24 V) |
| Interrupting rating (ohmic load) max. | 1.2 W (at 24 V DC) |
| Switching capacity min. | 0.12 W |
| Switching: when the gold layer is destroyed | |
| Note | the following values are applicable if a gold layer is destroyed |
| Contact material | AgNi |
| Maximum switching voltage | 250 V |
| Minimum switching voltage | 5 V (at 10 mA) |
| Limiting continuous current | 8 A |
| Maximum inrush current | 15 A (300 ms) |
| Min. switching current | 10 mA (At 5 V) |
| Interrupting rating (ohmic load) max. | 190 W (at 24 V DC) |
| 85 W (at 48 V DC) | |
| 60 W (at 60 V DC) | |
| 44 W (at 110 V DC) | |
| 60 W (at 220 V DC) | |
| 2000 VA (for 250 V AC) | |
| Switching capacity | 2 A (at 24 V, DC13) |
| 0.2 A (at 110 V, DC13) | |
| 0.2 A (at 250 V, DC13) | |
| 2 A (at 24 V, AC15) | |
| 2 A (at 120 V, AC15) | |
| 2 A (at 250 V, AC15) | |
Connection data
| Connection method | Plug / solder connection |
Dimensions
| Dimensional drawing |  |
| Width | 12.7 mm |
| Height | 29 mm |
| Depth | 15.7 mm |
Material specifications
| Color | white (RAL 9010) |
Environmental and real-life conditions
| Ambient conditions | |
| Degree of protection | RT III |
| Ambient temperature (operation) | -40 °C ... 85 °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 |
| EN 50178 | |
| EN 61810-1 |
Mounting
| Assembly note | Can be aligned without spacing (> 70 °C ≥ 2.5 mm) |
| Mounting position | any |
| Feature Name | Feature Value |
|---|---|
| Type of electric connection (EF003961) | Other |
| Complete with socket (EF003359) | No |
| With detachable clamps (EF003340) | No |
| With LED indication (EF005950) | No |
| Rated control supply voltage DC (EF003980) | 7.8 V |
| Voltage type for actuating (EF008242) | DC |
| Drive, polarization (EF003355) | Polarity free |
| 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) | Gold |
| Nominal current (EF000001) | 0.033 A |
| Degree of protection (IP) (EF005474) | Other |
| Width (EF000008) | 12.7 mm |
| Height (EF000040) | 29 mm |
| Depth (EF000049) | 15.7 mm |