Phoenix REL-MR- 24AC/21HC/MS Single Relay
The Phoenix REL-MR- 24AC/21HC/MS Single Relay (Part No: 2987891 ) offers a 24 V ACnominal input voltage UN, 18.7 V AC ... 34.8 V AC input voltage range, 250 V AC/DC switching voltage, Plug / solder 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-MR- 24AC/21HC/MS |
Phoenix REL-MR- 24AC/21HC/MS Single Relay – Technical Specifications
| Specification | Value |
|---|---|
| Product type | Single relay |
| Mechanical service life | 5x 106 cycles |
| Service life electrical | see diagram |
| Maximum power dissipation for nominal condition | 0.77 W |
| Test voltage (Winding/contact) | 5 kV AC (50 Hz, 1 min., winding/contact) |
| Nominal input voltage UN | 24 V AC |
| Input voltage range | 18.7 V AC ... 34.8 V AC |
| Drive and function | monostable |
| Drive (polarity) | non-polarized |
| Typical input current at UN | 32 mA |
| Typical response time | 3 ms ... 12 ms (depending on phase relation) |
| Contact switching type | 1 changeover contact |
| Type of switch contact | Single contact |
| Contact material | AgNi |
| Maximum switching voltage | 250 V AC/DC |
| Minimum switching voltage | 12 V (at 10 mA) |
| Limiting continuous current | 16 A |
| Maximum inrush current | 32 A (20 ms) |
| Min. switching current | 10 mA (at 12 V) |
| Interrupting rating (ohmic load) max. | 4000 VA (for 250 V AC) |
| Connection method | Plug / solder connection |
| Width | 12.7 mm |
| Height | 29 mm |
| Depth | 25 mm |
| Ambient temperature (operation) | -40 °C ... 70 °C |
| Ambient temperature (storage/transport) | -40 °C ... 85 °C |
| Standards/regulations | EN 61810-1 |
| Mains frequency | 50/60 Hz |
| Typical release time range | 2 ms ... 8 ms (depending on phase relation) |
| Switching capacity | 2 A (at 24 V, DC13) |
| Motor load according to UL 508 | 1/2 HP, 120 V AC (N/O contact) |
Please speak to our Technical Engineer for Phoenix 10 mA Switching Current Single Relays REL-MR- 24AC/21HC/MS part no: 2987891 at attractive prices. Technical Specs Summary of REL-MR- 24AC/21HC/MS, 2987891 includes mechanical service life of 5x 106 cycles, designed for demanding industrial applications. The sensor operates at a nominal input voltage of 24 V AC, with an input voltage range of 18.7 V AC ... 34.8 V AC. The typical input current at UN is 32 mA with a response time of 3 ms ... 12 ms (depending on phase relation). The sensor supports a maximum switching voltage of 250 V AC/DC, and a minimum switching voltage of 12 V (at 10 mA). It has a limiting continuous current of 16 A, with a maximum inrush current of 32 A (20 ms), and a minimum switching current of 10 mA (at 12 V). The interrupting rating for ohmic loads is 4000 VA (for 250 V AC). The connection method is via a Plug / solder connection, with a degree of protection rated at . The sensor operates reliably in ambient temperatures ranging from -40 °C ... 70 °C. Match Your Needs with a Quote for your requirement of Phoenix 10 mA Switching Current Single Relays. We lead with pricing that's more favorable and support that's more attentive than other Suppliers & Traders.




