Product Model
UDK 4-MTK-P/P

Selling Points
- 1Just 6.2 mm wide, perfect for compact installations.
- 2Easy-to-use knife disconnect mechanism for quick connections and disconnections.
- 3Handles up to 16A with a 6 mm² conductor cross section.
- 4Made with PA material, meeting UL 94 V2 flammability rating.
- 5Meets IEC 60947-7-1 and CSA standards for reliable connections.
Technical Specifications
Detailed engineering parameters based on manufacturer documentation
Parameter | Value | Parameter | Value |
---|---|---|---|
Note | When establishing a connection on the open housing side of a feed-through modular terminal block of the same series and size, the block must be provided with a cover if the expected insulation voltage is >320 V.
The max. load current must not be exceeded by the total current of all connected conductors. | Product type | Disconnect terminal block |
Number of connections | 4 | Number of rows | 1 |
Potentials | 1 | Article revision | 10 |
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 | 0.6 ... 0.8 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 | 16 A (with 6 mm² conductor cross section) |
Maximum load current | 16 A (with a 6 mm² conductor cross section) | Nominal voltage | 630 V (The maximum load current must not be exceeded by the total current of all connected conductors.) |
Nominal cross section | 4 mm² | 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 | Static insulating material application in cold | -40 °C |
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 |
Result | Test passed | Requirement temperature-rise test | Increase in temperature ≤ 45 K |
Result | Test passed | Short-time withstand current 1.5 mm² | 0.18 kA |
Result | Test passed | Test voltage setpoint | 1.89 kV |
Result | Test passed | Open side panel | Yes |
Result | Test passed | Result | Test passed |
Rotation speed | 10 (+/- 2) rpm | Revolutions | 135 |
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 |
Specification | DIN EN 50155 (VDE 0115-200):2018-05 | Spectrum | Service life test category 2, bogie-mounted |
Frequency | f | ASD level | 6.12 (m/s²)²/Hz |
Acceleration | 3.12g | Test duration per axis | 5 h |
Test directions | X-, Y- and Z-axis | Result | Test passed |
Specification | DIN EN 50155 (VDE 0115-200):2018-05 | Pulse shape | Semi-sinusoidal |
Acceleration | 5g | Shock duration | 30 ms |
Number of shocks per direction | 3 | Test directions | X-, Y- and Z-axis (pos. and neg.) |
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, 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 (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