Double-level terminal block, nom. voltage: 250 V, nominal current: 12 A, number of connections: 4, number of positions: 1, connection method: Screw/plug-in connection, 1st and 2nd level connection left, cross section: 0.2 mm2 - 4 mm2, mounting type: NS 35/7,5, NS 35/15, NS 32, color: gray
| General | Current and voltage are determined by the plug used. |
| Product type | Multi-level terminal block |
| Product family | UKK 3-MSTB |
| Number of positions | 1 |
| Pitch | 5.08 mm |
| Number of connections | 4 |
| Number of rows | 2 |
| Potentials | 2 |
| Insulation characteristics | |
| Overvoltage category | III |
| Degree of pollution | 3 |
| Rated surge voltage | 4 kV |
| Maximum power dissipation for nominal condition | 0.77 W |
| Nominal cross section | 2.5 mm² |
| Rated cross section AWG | 12 |
| 1st and 2nd level connection left | |
| 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 |
| 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 | 12 A |
| Maximum load current | 12 A (with 4 mm² conductor cross section) |
| Nominal voltage | 250 V |
| Dimensional drawing |
|
| Width | 5.08 mm |
| End cover width | 2.5 mm |
| Height | 50 mm |
| Depth on NS 35/7,5 | 52.5 mm |
| Pitch | 5.08 mm |
| Color | gray (RAL 7042) |
| Flammability rating according to UL 94 | V2 |
| Insulating material group | I |
| Insulating material | PA |
| Contact surface | Tin Sn |
| Static insulating material application in cold | -40 °C |
| Relative insulation material temperature index (Elec., UL 746 B) | 125 °C |
| Surge voltage test | |
| Test voltage setpoint | 4.8 kV |
| Result | Test passed |
| Short-time withstand current 1 mm² | 0.12 kA |
| Result | Test passed |
| Power-frequency withstand voltage | |
| Test voltage setpoint | 1.5 kV |
| Result | Test passed |
| Mechanical data | |
| Open side panel | Yes |
| Attachment on the carrier | |
| DIN rail/fixing support | NS 32/NS 35 |
| Test force setpoint | 1 N |
| Result | Test passed |
| Service life | |
| Insertion/withdrawal cycles | 100 |
| Needle-flame test | |
| Time of exposure | 30 s |
| Result | Test passed |
| Oscillation/broadband noise | |
| Specification | DIN EN 50155 (VDE 0115-200):2022-06 |
| Spectrum | Long life test category 1, class B, body mounted |
| Frequency | f1 = 5 Hz to f2 = 150 Hz |
| ASD level | 0.964 (m/s²)²/Hz |
| Acceleration | 0.58g |
| Test duration per axis | 5 h |
| Test directions | X-, Y- and Z-axis |
| Result | Test passed |
| Shocks | |
| Specification | DIN EN 50155 (VDE 0115-200):2022-06 |
| Pulse shape | Half-sine |
| Acceleration | 5g |
| Shock duration | 30 ms |
| Number of shocks per direction | 3 |
| Test directions | X-, Y- and Z-axis (pos. and neg.) |
| Result | Test passed |
| Ambient conditions | |
| Ambient temperature (operation) | -60 °C (max. operating temperature see derating curve) |
| 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 % |
| Mounting type | NS 35/7,5 |
| NS 35/15 | |
| NS 32 |
| Tensão nominal UN | Corrente nominal IN | Secção transversal American Wire Gauge | Secção transversal mm2 | |
|---|---|---|---|---|
| 300 V | 10 A | 28 - 12 |
| Tensão nominal UN | Corrente nominal IN | Secção transversal American Wire Gauge | Secção transversal mm2 | |
|---|---|---|---|---|
| Use group B | ||||
| 300 V | 10 A | 30 - 12 | ||
| Use group C | ||||
| 150 V | 10 A | 30 - 12 | ||
| Use group D | ||||
| 300 V | 10 A | 30 - 12 | ||
