Product Model
UDK 4-MTK-P/P BU

Selling Points
- 1Compact design with a width of just 6.2 mm, ideal for space-saving setups.
- 2High current rating of 16 A with a conductor cross section of 0.2 mm² to 6 mm².
- 3Robust approvals including UL, CSA, and cULus recognition for electrical component safety.
- 4Easy disconnect knife operation for rapid fault localization and maintenance.
- 5Suitable for use in electrical cabinets and industrial racks with a nominal voltage of 630 V.
Technical Specifications
Detailed engineering parameters based on manufacturer documentation
Parameter | Value | Parameter | Value |
---|---|---|---|
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 | blue (RAL 5015) | Flammability rating according to UL 94 | V2 |
Insulating material group | I | Insulating material | PA |
Open side panel | Yes | 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