Selling Points
- 1The UKKB 10/2,5-PV features a design width of just 10.2 mm, ideal for space-constrained applications.
- 2Supports up to 57A nominal current and 70A maximum load current with a 16 mm² conductor cross section.
- 3Offers two levels of connections with screw thread M4 and M3, accommodating various conductor sizes.
- 4Meets overvoltage category III and has a maximum power dissipation of 1.82 W under nominal conditions.
- 5Compatible with NS 35/7,5, NS 35/15, and NS 32 mounting types for flexible installation.
Technical Specifications
Detailed engineering parameters based on manufacturer documentation
| Parameter | Value | Parameter | Value |
|---|---|---|---|
Product type | Multi-level terminal block | Number of connections | 6 |
Number of rows | 2 | Article revision | 14 |
Overvoltage category | III | Degree of pollution | 3 |
Rated surge voltage | 6 kV | Maximum power dissipation for nominal condition | 1.82 W |
Number of connections per level | 2 | Nominal cross section | 10 mm² |
Screw thread | M4 | Note | Lower level |
Tightening torque | 1.2 ... 1.8 Nm | Stripping length | 8 mm |
Internal cylindrical gage | B6 | Connection in acc. with standard | IEC 60947-7-1 |
Conductor cross section rigid | 0.5 mm² ... 16 mm² | Cross section AWG | 20 ... 6 (converted acc. to IEC) |
Conductor cross section flexible | 0.5 mm² ... 10 mm² | Conductor cross section, flexible [AWG] | 20 ... 8 (converted acc. to IEC) |
Conductor cross-section flexible (ferrule without plastic sleeve) | 0.5 mm² ... 10 mm² | Flexible conductor cross section (ferrule with plastic sleeve) | 0.5 mm² ... 6 mm² |
2 conductors with same cross section, solid | 0.5 mm² ... 6 mm² | 2 conductors with same cross section, flexible | 0.5 mm² ... 4 mm² |
2 conductors with same cross section, flexible, with ferrule without plastic sleeve | 0.5 mm² ... 6 mm² | 2 conductors with the same cross section, flexible, with TWIN ferrule with plastic sleeve | 0.5 mm² ... 6 mm² |
Nominal current | 57 A | Maximum load current | 70 A (with 16 mm² conductor cross section) |
Nominal voltage | 500 V | Nominal cross section | 10 mm² |
Screw thread | M3 | Note | upper level |
Tightening torque | 0.5 ... 0.8 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 (ferrule without plastic sleeve) | 0.25 mm² ... 2.5 mm² |
Flexible conductor cross section (ferrule with plastic sleeve) | 0.25 mm² ... 1.5 mm² | 2 conductors with same cross section, solid | 0.2 mm² ... 1.5 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 mm² |
2 conductors with the same cross section, flexible, with TWIN ferrule with plastic sleeve | 0.5 mm² ... 1.5 mm² | Nominal current | 24 A |
Maximum load current | 32 A | Nominal voltage | 500 V |
Nominal cross section | 2.5 mm² | Width | 10.2 mm |
Height | 77.5 mm | Depth on NS 32 | 78 mm |
Depth on NS 35/7,5 | 73 mm | Depth on NS 35/15 | 80.5 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 | 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) | 28 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 10 mm² | 1.2 kA |
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 | 5 N |
Result | Test passed | Rotation speed | 10 rpm |
Revolutions | 135 | Conductor cross section/weight | 0.5 mm² / 0.3 kg
10 mm² / 2 kg
16 mm² / 2.9 kg |
Result | Test passed | Rotation speed | 10 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
IEC 60947-7-1 |
Mounting type | NS 35/7,5
NS 35/15
NS 32 |
Specifications may be subject to change without notice