Product Model
UT 4-MT-P/P RD

Selling Points
- 1High Current Rating: Supports up to 20 A with a 6 mm² conductor cross section.
- 2Wide Voltage Range: Rated for 500 V, suitable for various industrial and railway applications.
- 3Durable Design: Made with PA insulating material, meeting UL 94 V0 flammability standards.
- 4Versatile Connectivity: Compatible with AWG 26 to 10, and conductor cross sections from 0.14 mm² to 6 mm².
- 5Enhanced Safety Features: Meets IEC 60947-7-1 standards and has a maximum load current of 20 A with a 6 mm² conductor cross section.
Technical Specifications
Detailed engineering parameters based on manufacturer documentation
Parameter | Value | Parameter | Value |
---|---|---|---|
Product type | Disconnect terminal block | Number of connections | 2 |
Number of rows | 1 | Potentials | 1 |
Article revision | 08 | Overvoltage category | III |
Degree of pollution | 3 | Rated surge voltage | 6 kV |
Maximum power dissipation for nominal condition | 1.02 W | Number of connections per level | 2 |
Nominal cross section | 4 mm² | Screw thread | M3 |
Tightening torque | 0.6 ... 0.8 Nm | Stripping length | 9 mm |
Internal cylindrical gage | A4 | Connection in acc. with standard | IEC 60947-7-1 |
Conductor cross section rigid | 0.14 mm² ... 6 mm² | Cross section AWG | 26 ... 10 (converted acc. to IEC) |
Conductor cross section flexible | 0.14 mm² ... 6 mm² | Conductor cross section, flexible [AWG] | 26 ... 10 (converted acc. to IEC) |
Conductor cross-section flexible (ferrule without plastic sleeve) | 0.14 mm² ... 4 mm² | Flexible conductor cross section (ferrule with plastic sleeve) | 0.14 mm² ... 4 mm² |
2 conductors with same cross section, solid | 0.14 mm² ... 1.5 mm² | 2 conductors with same cross section, flexible | 0.14 mm² ... 1.5 mm² |
2 conductors with same cross section, flexible, with ferrule without plastic sleeve | 0.14 mm² ... 1.5 mm² | 2 conductors with the same cross section, flexible, with TWIN ferrule with plastic sleeve | 0.5 mm² ... 2.5 mm² |
Thermal continuous current I | 20 A (with 4 mm² conductor cross section) | Maximum load current | 20 A (with 6 mm² conductor cross section) |
Nominal voltage | 500 V | Nominal cross section | 2.5 mm² |
Width | 6.2 mm | Height | 57.8 mm |
Depth on NS 35/7,5 | 49.1 mm | Depth on NS 35/15 | 56.6 mm |
Color | red (RAL 3001) | Flammability rating according to UL 94 | V0 |
Insulating material group | I | Insulating material | PA |
Static insulating material application in cold | -60 °C | Relative insulation material temperature index (Elec., UL 746 B) | 125 °C |
Fire protection for rail vehicles (DIN EN 45545-2) R22 | HL 1 - HL 3 | Fire protection for rail vehicles (DIN EN 45545-2) R23 | HL 1 - HL 3 |
Fire protection for rail vehicles (DIN EN 45545-2) R24 | HL 1 - HL 3 | Fire protection for rail vehicles (DIN EN 45545-2) R26 | HL 1 - HL 3 |
Surface flammability NFPA 130 (ASTM E 162) | passed | Specific optical density of smoke NFPA 130 (ASTM E 662) | passed |
Smoke gas toxicity NFPA 130 (SMP 800C) | passed | Test voltage setpoint | 7.3 kV |
Result | Test passed | Requirement temperature-rise test | Increase in temperature ≤ 45 K |
Result | Test passed | Short-time withstand current 2.5 mm² | 0.3 kA |
Result | Test passed | Test voltage setpoint | 1.89 kV |
Result | Test passed | Open side panel | No |
Result | Test passed | DIN rail/fixing support | NS 35 |
Test force setpoint | 1 N | Result | Test passed |
Rotation speed | 10 rpm | Revolutions | 135 |
Conductor cross section/weight | 0.14 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):2008-03 | Spectrum | Service life test category 1, class B, body mounted |
Frequency | f | ASD level | 1.857 (m/s²)²/Hz |
Acceleration | 0.8g | Test duration per axis | 5 h |
Test directions | X-, Y- and Z-axis | Result | Test passed |
Specification | DIN EN 50155 (VDE 0115-200):2008-03 | Pulse shape | Half-sine |
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 |
Specifications may be subject to change without notice