Harmony Electromechanical Relays
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PLUG-IN RELAY
universal plug-in relay - HARMONY RUM - 3 C/O - 24 V DC - 10 A
SKU RUMC31BDSchneider Electric RUMC31BD is a plug-in relay in the Harmony Electromechanical Relays range. Key specifications include ip protection: IP40; control voltage: 24 V DC; net weight: 0.086 kg.
IP40IP protection
24 V DCControl voltage
0.086 kgNet weight
PRODUCT DATA
Technical specifications
Source: Schneider Electric product catalog.
Verified September 18, 2026.
| Product reference | RUMC31BD |
|---|---|
| Range of product | Harmony Electromechanical Relays |
| Series name | RUM series |
| Product or component type | Plug-in relay |
| Relay type | Universal relay |
| Contacts type and composition | 3 C/O |
| status LED | Without |
| Control type | Lockable test button |
| [Uc] control circuit voltage | 24 V DC |
| [Ithe] conventional enclosed thermal current | 10 A at -40…55 °C |
| [Uimp] rated impulse withstand voltage | 4 kV (1.2/50 µs) |
| Minimum switching capacity | 170 mW at 10 mA, 17 V |
| Electrical durability | 100000 cycles for resistive load |
| Operating time | 20 ms at nominal voltage |
| Rated operational voltage limits | 19.2...26.4 V DC |
| [Ui] rated insulation voltage | 250 V conforming to IEC 300 V conforming to CSA 300 V conforming to UL |
| Reset time | 20 ms at nominal voltage |
| Maximum switching voltage | 250 V conforming to IEC |
| Drop-out voltage threshold | >= 0.1 Uc DC |
| [Ie] rated operational current | 10 A at 277 V AC conforming to UL 10 A at 30 V DC conforming to UL 10 A at 277 V AC (same polarity) conforming to CSA 10 A at 30 V DC conforming to CSA 5 A at 250 V AC (NC) conforming to IEC 5 A at 28 V DC (NC) conforming to IEC 10 A at 250 V AC (NO) conforming to IEC 10 A at 28 V DC (NO) conforming to IEC |
| Average resistance | 470 Ohm at 20 °C +/- 15 % |
| Maximum switching capacity | 2500 VA/280 W |
| Mechanical durability | 5000000 cycles |
| Safety reliability data | B10d = 100000 |
| Operating rate | <= 18000 cycles/hour no-load <= 1200 cycles/hour under load |
| Utilisation coefficient | 20 % |
| Compatibility code | RUM |
| Dielectric strength | 1500 V AC between contacts with micro disconnection 2500 V AC between coil and contact with reinforced 2000 V AC between poles with basic |
| Protection category | RT I |
| Pollution degree | 2 |
| Operating position | Any position |
| Test levels | Level A group mounting |
| Device presentation | Complete product |
| Contacts material | AgNi |
| Shape of pin | Cylindrical |
| Net weight | 0.086 kg |
| Average coil consumption | 1.4 W |
| Load current | 10 A at 250 V AC 10 A at 28 V DC |
| Ambient air temperature for operation | -40…55 °C |
| IP degree of protection | IP40 |
| Standards | IEC 61810-1 CSA C22.2 No 14 UL 508 |
| Product certifications | EAC UL CSA |
| Ambient air temperature for storage | -40…85 °C |
| Vibration resistance | 3 gn, amplitude = +/- 1 mm (f = 10…150 Hz)5 cycles in operation 4 gn, amplitude = +/- 1 mm (f = 10…150 Hz)5 cycles not operating |
| Shock resistance | 10 gn (duration = 11 ms) for in operation conforming to IEC 60068-2-27 10 gn (duration = 11 ms) for not operating conforming to IEC 60068-2-27 |
For complete electrical ratings, applicable standards, connection requirements and installation instructions, consult the official Schneider Electric reference ↗.