Product Model
UKN 16 BU
Selling Points
- 1High Current Rating: Supports up to 101A with a 25 mm² conductor cross section.
- 2Robust Design: Blue color, single-level, and screw termination for secure connections.
- 3Wide Voltage Range: Operates at 800V, suitable for various industrial applications.
- 4Flexible Wire Gauge: Compatible with AWG 14 to 4, accommodating different wire sizes.
- 5Durable Construction: Meets stringent standards for fire protection and mechanical stability.
Technical Specifications
Detailed engineering parameters based on manufacturer documentation
| Parameter | Value | Parameter | Value |
|---|---|---|---|
General | For secure fastening of the neutral busbar, supports must be set at the beginning and end of each terminal strip as well as every 20 cm on longer terminal strips. | Product type | Installation terminal block |
Number of connections | 2 | Number of rows | 1 |
Potentials | 1 | Article revision | 00 |
Overvoltage category | III | Degree of pollution | 3 |
Rated surge voltage | 6 kV | Current carrying capacity of the neutral busbar | 140 A |
Number of connections per level | 2 | Screw thread | M4 |
Note | Terminal point | Tightening torque | 1.5 ... 1.8 Nm |
Stripping length | 11 mm | 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 ... 10 mm² |
Conductor cross-section flexible (2 conductors with the same cross-section, with TWIN ferrule and plastic sleeve) | 0.5 mm² ... 6 mm² | 2 conductors with same cross section, solid | 0.5 mm² ... 4 mm² |
2 conductors with the same cross-section AWG rigid | 20 ... 10 (converted acc. to IEC) | 2 conductors with same cross section, flexible | 0.5 mm² ... 4 mm² |
2 conductors with the same cross-section AWG flexible | 20 ... 10 (converted acc. to IEC) | 2 conductors with same cross section, flexible, with ferrule without plastic sleeve | 0.5 mm² ... 4 mm² |
Nominal current | 57 A (with 10 mm² conductor cross section) | Maximum load current | 76 A (with 16 mm² conductor cross section) |
Nominal voltage | 400 V | Screw thread | M3 |
Note | Disconnect slide | Tightening torque | 0.6 ... 0.8 Nm |
Internal cylindrical gage | B6 | Connection in acc. with standard | IEC / EN |
Conductor cross section rigid | 2.5 mm² ... 25 mm² | Cross section AWG | 12 ... 4 (converted acc. to IEC) |
Conductor cross section flexible | 4 mm² ... 16 mm² | Conductor cross-section flexible (ferrule without plastic sleeve) | 1.5 mm² ... 16 mm² |
Flexible conductor cross section (ferrule with plastic sleeve) | 1.5 mm² ... 16 mm² | 2 conductors with same cross section, solid | 1.5 mm² ... 6 mm² |
2 conductors with same cross section, flexible | 1.5 mm² ... 4 mm² | 2 conductors with the same cross section, flexible, with TWIN ferrule with plastic sleeve | 0.75 mm² ... 10 mm² |
Nominal current | 57 A (with 10 mm² conductor cross section) | Maximum load current | 76 A (with 16 mm² conductor cross section) |
Nominal voltage | 400 V | Width | 10.2 mm |
End cover width | 1.5 mm | Color | blue |
Flammability rating according to UL 94 | V2 | Insulating material group | I |
Insulating material | PA | Static insulating material application in cold | -40 °C |
Temperature index of insulation material (DIN EN 60216-1 (VDE 0304-21)) | 125 °C | Relative insulation material temperature index (Elec., UL 746 B) | 125 °C |
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 16 mm² | 1.92 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 |
Time of exposure | 30 s | Result | Test passed |
Ambient temperature (operation) | -40 °C ... 100 °C | Connection in acc. with standard | IEC 60947-7-1
IEC / EN |
Mounting type | NS 35/7,5
NS 35/15
NS 32 | Screw thread | M3 |
Specifications may be subject to change without notice