Product Model
UDK 4-DUR 249
Selling Points
- 1The four-conductor connection simplifies wiring in process automation.
- 2Transmits measured values as a load-independent current of 0 - 20 mA.
- 3Allows voltage signal pick-up via a 249 Ω resistor, enabling analog signal use for process computers.
- 4Rated surge voltage of 6 kV and insulation material group I ensure reliable performance.
- 5Compatible with NS 35/7,5, NS 35/15, and NS 32 mounting types.
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 insulation voltage | 630 V |
Rated surge voltage | 6 kV | 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 | A4 | 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 | the current is determined by the component used | Nominal cross section | 4 mm² |
Component type | KMR 25 resistor | Resistance value | 249 Ω |
Tolerance | 1 % | Electric strength | 630 V |
Maximum power dissipation | 0.65 W | Width | 6.2 mm |
End cover width | 1.5 mm | Height | 63.5 mm |
Depth on NS 32 | 52 mm | Depth on NS 35/7,5 | 47 mm |
Depth on NS 35/15 | 54.5 mm | Color | gray (RAL 7042) |
Flammability rating according to UL 94 | V2 | Insulating material group | I |
Insulating material | PA | Temperature index of insulation material (DIN EN 60216-1 (VDE 0304-21)) | 125 °C |
Relative insulation material temperature index (Elec., UL 746 B) | 125 °C | Test voltage setpoint | 9.8 kV |
Result | Test passed | Test voltage setpoint | 3 kV |
Result | Test passed | Open side panel | Yes |
Result | Test passed | Test force setpoint | 1 N |
Result | Test passed | Conductor cross section/weight | 0.2 mm² / 0.2 kg
4 mm² / 0.9 kg
6 mm² / 1.4 kg |
Result | Test passed | Time of exposure | 30 s |
Result | Test passed | Ambient temperature (operation) | -60 °C ... 110 °C (Operating temperature range incl. self-heating; for max. short-term operating temperature, see RTI Elec.) |
Ambient temperature (storage/transport) | -25 °C ... 60 °C (for a short time, no longer than 24 h, -60°C to +70°C) | Ambient temperature (assembly) | -5 °C ... 70 °C |
Ambient temperature (actuation) | -5 °C ... 70 °C | Permissible humidity (operation) | 20 % ... 90 % |
Permissible humidity (storage/transport) | 30 % ... 70 % | Connection in acc. with standard | IEC 60947-7-1 |
Mounting type | NS 35/7,5
NS 35/15
NS 32 |
Specifications may be subject to change without notice