Product Model
UMK- 8 RM110DC/MKDS

Selling Points
- 1Supports 8 plug-in miniature relays or optocouplers with LED indicators.
- 2Operates with 110 V DC input voltage, offering flexibility in different DC environments.
- 3Features a free-wheeling diode for reverse polarity protection and a damping diode for reliable operation.
- 4Measures 135 mm in width, 77 mm in height, and 59 mm in depth, making it space-efficient.
- 5Meets EMC Class A standards and complies with DIN EN 50178, IEC 60664, and IEC 62103 regulations.
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 | 8 | Compatible components | Miniature relays or miniature optocouplers |
With components | no | Overvoltage category | III |
Pollution degree | 2 | Rated insulation voltage | 260 V AC |
Rated surge voltage | 4 kV (Basic insulation between output contact current paths)
6 kV (Safe isolation and reinforced insulation between input circuit and output contact paths) | Nominal input voltage U | 110 V DC |
Input voltage range in reference to U | 0.8 ... 1.1 | Typical input current at U | 2 mA (LED display) |
Protective circuit | Freewheeling diode; Freewheeling diode
Reverse polarity protection; Polarity protection diode | Operating voltage display | Yellow LED |
Status display/channel | Yellow LED | Compatible components | Miniature relays or miniature optocouplers |
Contact switching type | 1 changeover contact | Maximum switching voltage | 250 V AC/DC |
Limiting continuous current | 5 A | Maximum inrush current | 8 A |
Error detection (line break / short-circuit) | no | Connection method | Screw connection |
Stripping length | 8 mm | Screw thread | M3 |
Number of connections | 1 | Number of positions | 12 |
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 |
Number of connections | 24 | Number of positions | 3 |
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 | 135 mm | Height | 77 mm |
Depth | 59 mm | Color | green (RAL 6021) |
Degree of protection | IP20 | Ambient temperature (operation) | -20 °C ... 50 °C |
Ambient temperature (storage/transport) | -20 °C ... 70 °C | Standards/regulations | DIN EN 50178
IEC 60664 |
Mounting type | DIN rail mounting | Mounting position | any |
Specifications may be subject to change without notice