Phoenix REL-MR-230AC/21HC Single Relay
The Phoenix REL-MR-230AC/21HC Single Relay (Part No: 2961422 ) offers a 230 V ACnominal input voltage UN, 179.4 V AC ... 356.5 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-230AC/21HC |
Phoenix REL-MR-230AC/21HC Single Relay – Technical Specifications
| Specification | Value |
|---|---|
| Product type | Single relay |
| Mechanical service life | 1x 107 cycles |
| Overvoltage category | III |
| Pollution degree | 3 |
| 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) |
| Nominal input voltage UN | 230 V AC |
| Input voltage range | 179.4 V AC ... 356.5 V AC |
| Drive and function | monostable |
| Drive (polarity) | non-polarized |
| Typical input current at UN | 3 mA (50 Hz) |
| 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 | 25 A (20 ms) |
| Min. switching current | 10 mA (at 12 V) |
| Interrupting rating (ohmic load) max. | 384 W (at 24 V DC) |
| Connection method | Plug / solder connection |
| Width | 12.7 mm |
| Height | 29 mm |
| Depth | 15.7 mm |
| Degree of protection | RT II |
| Ambient temperature (operation) | -40 °C ... 85 °C |
| Ambient temperature (storage/transport) | -40 °C ... 85 °C |
| Standards/regulations | IEC 60664 |
| Mounting position | any |
| Mains frequency | 50/60 Hz |
| Typical release time range | 2 ms ... 9 ms (depending on phase relation) |
| Coil resistance | 32500 Ω ±15 % (at 20 °C) |
| Switching capacity | 2 A (at 24 V, DC13) |
| Motor load according to UL 508 | 1/2 HP, 120 V AC (N/O contact) |
The Phoenix Contact REL-MR-230AC/21HC (Part No. 2961422) is a trusted Miniature Power Relay designed for efficient AC control applications in industrial automation. With a nominal input voltage of 230 V AC and a wide operating range from 179.4 V AC to 356.5 V AC, this Single Relay delivers reliable performance even in fluctuating power environments. It supports a maximum switching voltage of 250 V AC/DC and a robust inrush current capacity of 25 A, making it ideal for high-demand electrical systems.
Engineered by Phoenix Contact, the REL-MR-230AC/21HC (Part Number 2961422) is a high-performance Miniature Power Relay used in industrial control panels, machine automation, and signal switching circuits. Its compact form and plug/solder connection allow easy integration in space-constrained environments.
This Single Relay is trusted for its limiting continuous current of 16 A and consistent performance across extreme conditions, with an operating temperature range of -40°C to +85°C. Whether you're an engineer maintaining factory equipment or a student learning automation design, the Phoenix Contact REL-MR-230AC/21HC offers durability, electrical precision, and long service life.




