Product Model
UDK 4-DIO/L-R

Selling Points
- 1High Surge Voltage Protection: Rated up to 8 kV for reliable electrical insulation.
- 2Dual Connection Points: Two-sided double connection for accommodating multiple conductors.
- 3Built-in Diode Protection: Ensures protection against reverse currents and overvoltage.
- 4Versatile Conductor Compatibility: Supports conductor cross sections from 0.2 to 6 mm² (AWG 30 to 10).
- 5Compact Design: Dimensions of 6.2 mm width and 63.5 mm length for space-efficient installations.
Technical Specifications
Detailed engineering parameters based on manufacturer documentation
Parameter | Value | Parameter | Value |
---|---|---|---|
Product type | Component terminal block | Number of connections | 4 |
Number of rows | 1 | Potentials | 1 |
Article revision | 03 | Overvoltage category | III |
Degree of pollution | 3 | Rated surge voltage | 8 kV |
Maximum power dissipation for nominal condition | 1.02 W | Number of connections per level | 4 |
Nominal cross section | 4 mm² | Screw thread | M3 |
Tightening torque | 0.5 ... 0.6 Nm | Stripping length | 8 mm |
Internal cylindrical gage | A3 | Connection in acc. with standard | IEC 60947-7-1 |
Conductor cross section rigid | 0.2 mm² ... 6 mm² | Cross section AWG | 24 ... 10 (converted acc. to IEC) |
Conductor cross section flexible | 0.2 mm² ... 4 mm² | Conductor cross section, flexible [AWG] | 24 ... 12 (converted acc. to IEC) |
Conductor cross-section flexible (ferrule without plastic sleeve) | 0.25 mm² ... 4 mm² | Flexible conductor cross section (ferrule with plastic sleeve) | 0.25 mm² ... 1.5 mm² |
Cross-section with insertion bridge, rigid | 2.5 mm² | Cross-section with insertion bridge, flexible | 2.5 mm² |
2 conductors with same cross section, solid | 0.2 mm² ... 1 mm² | 2 conductors with same cross section, flexible | 0.2 mm² ... 1.5 mm² |
2 conductors with same cross section, flexible, with ferrule without plastic sleeve | 0.25 mm² ... 1.5 mm² | 2 conductors with the same cross section, flexible, with TWIN ferrule with plastic sleeve | 0.5 mm² ... 1 mm² |
Nominal current | 1 A | Maximum load current | 1 A (the maximum current is determined by the diode) |
Nominal voltage | 630 V | Nominal cross section | 4 mm² |
Width | 6.2 mm | End cover width | 1.5 mm |
Color | gray (RAL 7042) | Flammability rating according to UL 94 | V2 |
Insulating material group | I | Insulating material | PA |
Open side panel | Yes | Ambient temperature (storage/transport) | -25 °C ... 60 °C (for a short time, not exceeding 24 h, -60 °C to +70 °C) |
Ambient temperature (assembly) | -5 °C ... 70 °C | Ambient temperature (actuation) | -5 °C ... 70 °C |
Permissible humidity (storage/transport) | 30 % ... 70 % | Connection in acc. with standard | IEC 60947-7-1 |
Mounting type | NS 32
NS 35/7,5
NS 35/15 |
Specifications may be subject to change without notice