UT 4-QUATTRO-MT P/P
Product ID:23448
Updated: 2026/7/12
Key Features
- 1Meets UL 94 V0 flammability rating and DIN EN 45545-2 fire protection standards.
- 2Supports 4 connections per level with M3 screw thread and 0.6-0.8 Nm tightening torque.
- 3Rated for 6 kV surge voltage, ensuring reliable operation in harsh environments.
- 4Accommodates conductor cross sections from 0.14 mm² to 6 mm², including AWG 26 to 10.
- 5Tested for railway applications with passed oscillation and broadband noise tests according to DIN EN 50155.
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Technical Specifications
Detailed engineering parameters
| Parameter | Value | Parameter | Value |
|---|---|---|---|
| Product type | Disconnect terminal block | Area of application | Railway industry
Machine building
Plant engineering |
| Number of connections | 4 | Number of rows | 1 |
| Potentials | 1 | Article revision | 07 |
| 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 | 4 | 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 | Nominal current | 20 A (with 6 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 |
| End cover width | 2.2 mm | Height | 65.4 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 | 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 | 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 | Yes | Result | Test passed |
| DIN rail/fixing support | NS 35 | 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 | 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 | 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, no longer than 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
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