Product Model
UTTB 2,5-2DIO/O-UL/UR-UL
Key Features
- 1Integrated Diode for Enhanced Safety: Features a built-in diode with a reverse voltage of 1300 V and maximum continuous current of 0.5 A.
- 2Robust Design: Constructed with insulating material PA, inflammability class according to UL 94 V0, and designed to withstand high surge voltages.
- 3Versatile Connectivity: Supports screw connection with a rated cross section of 2.5 mm² and a cross section range of 0.14 mm² to 4 mm².
- 4Durable Mounting Options: Available in NS 35/7,5 and NS 35/15 mounting types for secure installation.
- 5Comprehensive Testing: Meets stringent testing standards including shock protection (DIN EN 50274) and temperature index (DIN EN 60216-1).
Technical Specifications
Detailed engineering parameters based on manufacturer documentation
| Parameter | Value | Parameter | Value |
|---|---|---|---|
| General | The max. current is determined by the diode. Installed: diode 1300 V 1 A, reverse voltage: 1300 V, maximum continuous current 0.5 A. | Product type | Component terminal block |
| Number of connections | 4 | Number of rows | 2 |
| Potentials | 2 | Article revision | 08 |
| Overvoltage category | III | Degree of pollution | 3 |
| Rated insulation voltage | 500 V | Rated surge voltage | 6 kV |
| Maximum power dissipation for nominal condition | 0.77 W | Number of connections per level | 2 |
| Nominal cross section | 2.5 mm² | Screw thread | M3 |
| Tightening torque | 0.5 ... 0.6 Nm | Stripping length | 9 mm |
| Internal cylindrical gage | A3 | Conductor cross section rigid | 0.14 mm² ... 4 mm² |
| Cross section AWG | 26 ... 12 (converted acc. to IEC) | Conductor cross section flexible | 0.14 mm² ... 4 mm² |
| Conductor cross section, flexible [AWG] | 26 ... 12 (converted acc. to IEC) | Conductor cross-section flexible (ferrule without plastic sleeve) | 0.14 mm² ... 2.5 mm² |
| Flexible conductor cross section (ferrule with plastic sleeve) | 0.14 mm² ... 2.5 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 ... 1.5 mm² | Nominal current | 0.5 A |
| Maximum load current | 0.5 A | Nominal cross section | 2.5 mm² |
| Component type | Diode 1N4007 | Reverse voltage | 1300 V |
| Width | 5.2 mm | End cover width | 2.2 mm |
| Height | 69.9 mm | Depth | 64.4 mm |
| Depth on NS 35/7,5 | 65 mm | Depth on NS 35/15 | 72.5 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 | 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 | Short-time withstand current 2.5 mm² | 0.3 kA |
| Short-time withstand current 4 mm² | 0.48 kA | Result | Test passed |
| Test voltage setpoint | 1.89 kV | Result | Test passed |
| Open side panel | Yes | 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
2.5 mm² / 0.7 kg
4 mm² / 0.9 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 | 0.02g²/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 % |
| Mounting type | NS 35/7,5
NS 35/15 |
Specifications may be subject to change without notice