Phoenix REL-MR- 60DC/21AU Single Relay
The Phoenix REL-MR- 60DC/21AU Single Relay (Part No: 2961134 ) offers a 60 V DCnominal input voltage UN, 36 V DC ... 165 V DC input voltage range, 250 V AC 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- 60DC/21AU |
Phoenix REL-MR- 60DC/21AU Single Relay – Technical Specifications
| Specification | Value |
|---|---|
| Product type | Single relay |
| Mechanical service life | 2x 107 cycles |
| Overvoltage category | III |
| Pollution degree | 3 |
| Maximum power dissipation for nominal condition | 0.18 W |
| Test voltage (Winding/contact) | 4 kV AC (50 Hz, 1 min., winding/contact) |
| Nominal input voltage UN | 60 V DC |
| Input voltage range | 36 V DC ... 165 V DC |
| Drive and function | monostable |
| Drive (polarity) | non-polarized |
| Typical input current at UN | 3 mA |
| Typical response time | 5 ms |
| Typical release time | 2.5 ms |
| Contact switching type | 1 changeover contact |
| Type of switch contact | Single contact |
| Contact material | AgSnO |
| Maximum switching voltage | 250 V AC |
| Minimum switching voltage | 5 V (at 100 mA) |
| Limiting continuous current | 6 A |
| Maximum inrush current | 50 mA |
| Min. switching current | 10 mA (at 12 V) |
| Interrupting rating (ohmic load) max. | 140 W (at 24 V DC) |
| Connection method | Plug / solder connection |
| Width | 5 mm |
| Height | 28 mm |
| Depth | 15 mm |
| Degree of protection | RT III |
| Ambient temperature (operation) | -40 °C ... 85 °C |
| Ambient temperature (storage/transport) | -40 °C ... 85 °C |
| Standards/regulations | IEC 60664 |
| Mounting position | any |
| Coil resistance | 20500 Ω ±15 % (at 20 °C) |
| Switching capacity | 2 A (at 24 V, DC13) |
The Phoenix Contact REL-MR-60DC/21AU (Part No: 2961134) is a high-endurance Input Voltage 60 V DC Single Relay engineered for critical switching in control panels, safety modules, and industrial DC circuits. It operates reliably at a nominal input voltage of 60 V DC, supporting a broad voltage range from 36 V DC to 165 V DC, making it ideal for systems with unstable or fluctuating supply conditions. With a typical input current of just 3 mA and a response time of 2.5 ms, it ensures fast, energy-efficient signal switching. Its internal coil resistance is rated at 20,500 Ω ±15% for enhanced reliability.
This Single Relay includes AgSnO contact material and a 1 changeover contact design, capable of supporting up to 6 A of continuous current and a maximum switching voltage of 250 V AC. With a minimum switching threshold of 5 V (at 100 mA) and an interrupting capacity of 140 W at 24 V DC, the unit is designed to perform across both signal-level and load-level tasks. Its protection is rated at RT III, and it complies with IEC 60664, ensuring resilience in high-pollution industrial environments and operating temperatures from -40°C to +85°C. Learn more by exploring the Phoenix Relay series or visiting the full Phoenix Contact brand page.
The Phoenix Contact REL-MR-60DC/21AU is commonly used in renewable energy equipment, high-voltage DC control panels, and critical backup systems where precise, low-power signal switching is essential. Its slim 5 mm width and plug/solder connection make it easy to install in tight or modular relay banks. Whether you're an OEM designing compact, energy-efficient systems or a maintenance engineer upgrading legacy panels, this Input Voltage 60 V DC Single Relay ensures long service life and stable performance. Students and technical trainees also use it as a reliable example of industrial DC relay design for hands-on learning and lab integration.
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