Product Model
UMK- 4 RM 24/KSR-24/21
Key Features
- 1High-Performance Relays: The UMK-4 RM 24/KSR-24/21 features 4 plug-in miniature relays for precise control in various applications.
- 2LED Status Indicators: Equipped with yellow LEDs for status display and channel indication, ensuring easy monitoring of relay operations.
- 3Robust EMC Compliance: Designed as an EMC class A product, ensuring reliable operation in electromagnetic environments.
- 4Versatile Input Voltage: Compatible with 24 V AC/DC input voltage, offering flexibility in different power supply configurations.
- 5Durable Construction: Built with AgNi (90/10) gold-plated contacts and a mechanical service life of 3 x 10^7 cycles, ensuring long-lasting performance.
Technical Specifications
Detailed engineering parameters based on manufacturer documentation
| Parameter | Value | Parameter | Value |
|---|---|---|---|
| EMC note | EMC: class A product, see manufacturer's declaration in the download area | Product type | Multi-channel relay module |
| No. of channels | 4 | Operating mode | 100% operating factor |
| Mechanical service life | 3x 10 | Overvoltage category | III |
| Pollution degree | 2 | Rated insulation voltage | 260 V AC |
| Rated surge voltage | 4 kV (Basic insulation) | Nominal input voltage U | 24 V AC/DC |
| Input voltage range in reference to U | 0.9 ... 1.1 | Input voltage range | 21.6 V DC ... 26.4 V DC |
| Typical input current at U | 18 mA | Typical response time | 8 ms |
| Typical release time | 12 ms | Protective circuit | Bridge rectifier |
| Operating voltage display | Yellow LED | Status display/channel | Yellow LED |
| Contact switching type | 1 changeover contact | Contact material | AgNi (90/10) gold-plated |
| Maximum switching voltage | 250 V AC/DC | Minimum switching voltage | 12 V AC/DC (at 10 mA) |
| Limiting continuous current | 5 A | Min. switching current | 10 mA (at 12 V AC/DC) |
| Interrupting rating (ohmic load) max. | 120 W (at 24 V DC)
58 W (at 48 V DC)
48 W (at 60 V DC)
50 W (at 110 V DC)
80 W (at 220 V DC)
1250 VA (for 250 V AC) | Connection method | Screw connection |
| Stripping length | 8 mm | Screw thread | M3 |
| Conductor cross section rigid | 0.2 mm² ... 4 mm² | Conductor cross section flexible | 0.2 mm² ... 2.5 mm² |
| Conductor cross section AWG | 24 ... 12 | Connection method | Screw connection |
| Stripping length | 8 mm | Screw thread | M3 |
| Conductor cross section rigid | 0.2 mm² ... 4 mm² | Conductor cross section flexible | 0.2 mm² ... 2.5 mm² |
| Conductor cross section AWG | 24 ... 12 | Status display present | Yes |
| Width | 67.5 mm | Height | 77 mm |
| Depth | 59 mm | Color | green (RAL 6021) |
| Ambient temperature (operation) | -20 °C ... 50 °C | Ambient temperature (storage/transport) | -20 °C ... 70 °C |
| Standards/regulations | DIN EN 50178 | Assembly note | in rows with zero spacing |
| Mounting position | any |
Specifications may be subject to change without notice