Product Model
UT 6-MT BU

Selling Points
- 1High current carrying capacity of 20 A
- 2Compact design with double bridge shaft for individual potential distribution
- 3Robust insulation with PA material and UL 94 V0 flammability rating
- 4Screw connection method with M4 thread and 10 mm stripping length
- 5DIN rail mounting options (NS 35/7,5 and NS 35/15) for easy installation
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 | Article revision | 09 |
Overvoltage category | III | Degree of pollution | 3 |
Rated surge voltage | 6 kV | Maximum power dissipation for nominal condition | 1.31 W |
Number of connections per level | 2 | Nominal cross section | 6 mm² |
Screw thread | M4 | Tightening torque | 1.5 ... 1.8 Nm |
Stripping length | 10 mm | Internal cylindrical gage | A5 |
Connection in acc. with standard | IEC 60947-7-1 | Conductor cross section rigid | 0.2 mm² ... 10 mm² |
Cross section AWG | 24 ... 8 (converted acc. to IEC) | Conductor cross section flexible | 0.2 mm² ... 10 mm² |
Conductor cross section, flexible [AWG] | 24 ... 8 (converted acc. to IEC) | Conductor cross-section flexible (ferrule without plastic sleeve) | 0.25 mm² ... 6 mm² |
Flexible conductor cross section (ferrule with plastic sleeve) | 0.25 mm² ... 6 mm² | 2 conductors with same cross section, solid | 0.2 mm² ... 2.5 mm² |
2 conductors with same cross section, flexible | 0.2 mm² ... 2.5 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 ... 4 mm² | Thermal continuous current I | 20 A |
Maximum load current | 20 A (with 10 mm² conductor cross section) | Nominal voltage | 500 V |
Nominal cross section | 6 mm² | Width | 8.2 mm |
Height | 57.8 mm | Depth on NS 35/7,5 | 49.1 mm |
Depth on NS 35/15 | 56.6 mm | Color | blue (RAL 5015) |
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) | 130 °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 | Result | Test passed |
Rotation speed | 10 (+/- 2) rpm | Revolutions | 135 |
Conductor cross section/weight | 0.2 mm² / 0.2 kg
6 mm² / 1.4 kg
10 mm² / 2 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 |
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 |
Specifications may be subject to change without notice