Phoenix ContactFeed-through terminal blocks, multi-conductor terminal blocks, and multi-level terminal blocks
Product Model
UKK 3-MSTB-5,08
Selling Points
- 1250V for reliable operation in industrial environments.
- 2Supports conductors from 24 to 12 AWG for versatile connectivity.
- 3Accommodates multiple connections on a single terminal block.
- 4Easy and secure screw termination method for quick installation.
- 5Fused design ensures electrical safety by interrupting the circuit in case of an overload.
Technical Specifications
Detailed engineering parameters based on manufacturer documentation
| Parameter | Value | Parameter | Value |
|---|---|---|---|
General | Current and voltage are determined by the plug used. | Product type | Multi-level terminal block |
Number of positions | 1 | Pitch | 5.08 mm |
Number of connections | 4 | Number of rows | 2 |
Potentials | 2 | Article revision | 09 |
Overvoltage category | III | Degree of pollution | 3 |
Rated surge voltage | 4 kV | Maximum power dissipation for nominal condition | 0 W |
Screw thread | M3 | Tightening torque | 0.5 ... 0.6 Nm |
Stripping length | 8 mm | Internal cylindrical gage | A3 |
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 |
Conductor cross-section flexible (2 conductors with the same cross-section, with TWIN ferrule and plastic sleeve) | 0.5 mm² ... 1 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 mm² | 2 conductors with same cross section, flexible, with ferrule without plastic sleeve | 0.25 mm² ... 0.5 mm² |
2 conductors with the same cross section, flexible, with TWIN ferrule with plastic sleeve | 0.5 mm² ... 1 mm² | Nominal current | 10 A |
Maximum load current | 12 A (with 4 mm² conductor cross section) | Nominal voltage | 250 V |
Width | 5.08 mm | End cover width | 2.5 mm |
Height | 50 mm | Depth on NS 35/7,5 | 53.5 mm |
Pitch | 5.08 mm | Color | gray (RAL 7042) |
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 | 2.21 kV | Result | Test passed |
Open side panel | Yes | Time of exposure | 30 s |
Result | Test passed | Specification | DIN EN 50155 (VDE 0115-200):2018-05 |
Spectrum | Service life test category 2, bogie-mounted | Frequency | f |
ASD level | 6.12 (m/s²)²/Hz | Acceleration | 3.12g |
Test duration per axis | 5 h | Test directions | X-, Y- and Z-axis |
Result | Test passed | Pulse shape | Half-sine |
Acceleration | 30g | Shock duration | 18 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 (max. operating temperature see derating curve) |
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 % | Mounting type | NS 35/7,5
NS 35/15
NS 32 |
Specifications may be subject to change without notice