Selling Points
- 1Connect up to four conductors with individual wiring at each terminal point.
- 2Secure connections with reliable screw termination.
- 3Supports up to 500V for safe and reliable operation.
- 4Accommodate multiple conductors with double bridge shafts.
- 5Meets international safety standards for electrical connections.
Technical Specifications
Detailed engineering parameters based on manufacturer documentation
| Parameter | Value | Parameter | Value |
|---|---|---|---|
Product type | Multi-conductor terminal block | Product family | UDK |
Number of connections | 4 | Number of rows | 2 |
Potentials | 1 | Article revision | 09 |
Overvoltage category | III | Degree of pollution | 3 |
Rated surge voltage | 6 kV | Maximum power dissipation for nominal condition | 0.77 W |
Number of connections per level | 4 | Nominal cross section | 2.5 mm² |
Screw thread | M3 | Tightening torque | 0.5 ... 0.6 Nm |
Stripping length | 8 mm | Internal cylindrical gage | A3 |
Connection in acc. with standard | IEC 60947-7-1 | Conductor cross section rigid | 0.2 mm² ... 4 mm² |
Cross section AWG | 24 ... 12 (converted acc. to IEC) | Conductor cross section flexible | 0.2 mm² ... 2.5 mm² |
Conductor cross section, flexible [AWG] | 24 ... 14 (converted acc. to IEC) | Conductor cross-section flexible (ferrule without plastic sleeve) | 0.25 mm² ... 2.5 mm² |
Flexible conductor cross section (ferrule with plastic sleeve) | 0.25 mm² ... 1.5 mm² | Cross-section with insertion bridge, rigid | 2.5 mm² |
Cross-section with insertion bridge, flexible | 2.5 mm² | 2 conductors with same cross section, solid | 0.2 mm² ... 1 mm² |
2 conductors with same cross section, flexible | 0.2 mm² ... 1.5 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 ... 1 mm² | Nominal current | 24 A (with 4 mm² conductor cross section) |
Maximum load current | 32 A (in case of a 4 mm² conductor cross section, the maximum load current must not be exceeded by the total current of all connected conductors.) | Nominal voltage | 500 V |
Nominal cross section | 2.5 mm² | Width | 5.2 mm |
End cover width | 1.5 mm | Height | 63.5 mm |
Depth on NS 32 | 52 mm | Depth on NS 35/7,5 | 47 mm |
Depth on NS 35/15 | 54.5 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 |
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 32/NS 35 | Test force setpoint | 1 N |
Result | Test passed | Rotation speed | 10 (+/- 2) rpm |
Revolutions | 135 | Conductor cross section/weight | 0.2 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 | 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
NS 32 |
Specifications may be subject to change without notice