Product Model
UT 4-MT
Selling Points
- 1Compact Design: The UT 4-MT features a compact design suitable for DIN rail mounting.
- 2High Current Capacity: Supports up to 16A with a rated voltage of 600V.
- 3Screw Connection Method: Easy to connect and disconnect using screw terminals.
- 4UL94V-0 Flammability Rating: Meets stringent safety standards with a UL94V-0 flammability rating.
- 5Rated Surge Voltage: Withstands up to 8kV surge voltage, ensuring reliability in harsh environments.
Technical Specifications
Detailed engineering parameters based on manufacturer documentation
| Parameter | Value | Parameter | Value |
|---|---|---|---|
Product type | Disconnect terminal block | Area of application | Railway industry
Machine building
Plant engineering |
Number of connections | 2 | Number of rows | 1 |
Potentials | 1 | Article revision | 15 |
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 (up to 690 V for pollution degree II) |
Nominal cross section | 4 mm² | output | (Permanent) |
Single conductor/terminal point, flexible, with ferrule, without plastic sleeve, AWG | 26 ... 12 | 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 | gray (RAL 7042) |
Flammability rating according to UL 94 | V0 | Insulating material group | I |
Insulating material | PA | Static insulating material application in cold | -60 °C |
Temperature index of insulation material (DIN EN 60216-1 (VDE 0304-21)) | 130 °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 |
Calorimetric heat release NFPA 130 (ASTM E 1354) | 27,5 MJ/kg | 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 32/NS 35 | Test force setpoint | 1 N |
Result | Test passed | Rotation speed | 10 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):2008-03 |
Spectrum | Service life test category 1, class B, body mounted | Frequency | f |
ASD level | 6.12 (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