STTBU 4 BU
   - 
  Feed-through terminal block
    
      3033168
      
      
    
  
      Feed-through terminal block, nom. voltage: 500 V, nominal current: 30 A, connection method: Spring-cage connection, Rated cross section: 4 mm2, cross section: 0.08 mm2 - 6 mm2, connection method: Screw connection, Rated cross section: 4 mm2, cross section: 0.14 mm2 - 6 mm2, mounting: NS 35/7,5, NS 35/15, color: blue
Product details
| Product type | Hybrid terminal block | 
| Number of connections | 4 | 
| Number of rows | 2 | 
| Potentials | 2 | 
| Insulation characteristics | |
| Overvoltage category | III | 
| Degree of pollution | 3 | 
| Rated surge voltage | 8 kV | 
| Maximum power dissipation for nominal condition | 1.02 W | 
| Number of connections per level | 2 | 
| Nominal cross section | 4 mm² | 
| Level 1+2 above 1 | |
| Connection method | Spring-cage connection | 
| Stripping length | 8 mm ... 10 mm | 
| Connection in acc. with standard | IEC 60947-7-1 | 
| Conductor cross-section rigid | 0.08 mm² ... 6 mm² | 
| Cross section AWG | 28 ... 10 (converted acc. to IEC) | 
| Conductor cross-section flexible | 0.08 mm² ... 4 mm² | 
| Conductor cross-section, flexible [AWG] | 28 ... 12 (converted acc. to IEC) | 
| Conductor cross-section flexible (ferrule without plastic sleeve) | 0.14 mm² ... 4 mm² | 
| Flexible conductor cross-section (ferrule with plastic sleeve) | 0.14 mm² ... 4 mm² | 
| 2 conductors with the same cross section, flexible, with TWIN ferrule with plastic sleeve | 0.5 mm² ... 1 mm² | 
| Nominal current | 30 A | 
| Maximum load current | 36 A (The maximum load current must not be exceeded by the total current of all connected conductors.) | 
| Nominal voltage | 500 V | 
| Nominal cross section | 4 mm² | 
| Level 1+2 below 1 | |
| Connection method | Screw connection | 
| Screw thread | M3 | 
| Tightening torque | 0.6 ... 0.8 Nm | 
| Stripping length | 8 mm ... 10 mm | 
| Internal cylindrical gage | A4 | 
| Connection in acc. with standard | IEC 60947-7-1 | 
| Conductor cross-section rigid | 0.14 mm² ... 6 mm² | 
| Cross section AWG | 26 ... 10 (converted acc. to IEC) | 
| Conductor cross-section flexible | 0.14 mm² ... 6 mm² | 
| Conductor cross-section, flexible [AWG] | 26 ... 10 (converted acc. to IEC) | 
| Conductor cross-section flexible (ferrule without plastic sleeve) | 0.14 mm² ... 4 mm² | 
| Flexible conductor cross-section (ferrule with plastic sleeve) | 0.14 mm² ... 4 mm² | 
| 2 conductors with same cross section, solid | 0.14 mm² ... 1.5 mm² | 
| 2 conductors with same cross section, flexible | 0.14 mm² ... 1.5 mm² | 
| 2 conductors with same cross section, flexible, with ferrule without plastic sleeve | 0.14 mm² ... 1.5 mm² | 
| 2 conductors with the same cross section, flexible, with TWIN ferrule with plastic sleeve | 0.5 mm² ... 2.5 mm² | 
| Nominal current | 30 A (with 4 mm² conductor cross-section) | 
| Maximum load current | 36 A (with 6 mm² conductor cross-section) | 
| 30 A (with 4 mm² conductor cross-section) | |
| 22 A (with a 2.5 mm² conductor cross-section) | |
| Nominal voltage | 500 V | 
| Nominal cross section | 4 mm² | 
| Width | 6.2 mm | 
| End cover width | 2.2 mm | 
| Height | 81 mm | 
| Depth on NS 35/7,5 | 55.5 mm | 
| Depth on NS 35/15 | 63 mm | 
| Color | blue (RAL 5015) | 
| 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 | 
| Mechanical data | |
| Open side panel | Yes | 
| Ambient conditions | |
| 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 | 
| Item number | 3033168 | 
| Packing unit | 50 pc | 
| Minimum order quantity | 50 pc | 
| Sales key | 02 | 
| Product key | BE2119 | 
| GTIN | 4046356148054 | 
| Weight per piece (including packing) | 18.88 g | 
| Weight per piece (excluding packing) | 18.88 g | 
| Customs tariff number | 85369010 | 
| Country of origin | PL | 
ECLASS
| ECLASS-13.0 | 27250201 | 
| ECLASS-15.0 | 27250201 | 
ETIM
| ETIM 9.0 | EC000897 | 
UNSPSC
| UNSPSC 21.0 | 39121400 | 
| EU RoHS | |
| Fulfills EU RoHS substance requirements | Yes | 
| Exemption | 6(c) | 
| China RoHS | |
| Environment friendly use period (EFUP) | 
              EFUP-50
               An article-related China RoHS declaration table can be found in the download area for the respective article under "Manufacturer declaration". For all articles with EFUP-E, no China RoHS declaration table issued and required. 
             | 
          
| EU REACH SVHC | |
| REACH candidate substance (CAS No.) | Lead (CAS: 7439-92-1) | 
| SCIP | bbaead1b-765f-4e6e-a4cf-f275564a9d09 | 
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Your advantages
For a clear overview, each terminal point can be labeled
        Can be bridged in both levels to implement different switching tasks
        Can be consistently bridged to the STTB 4 standard double-level terminal blocks
        PHOENIX CONTACT S.A de C.V.
        
        Lago Alberto No. 319 - Piso 9, Colonia Granada, Alcaldía Miguel Hidalgo, México, Ciudad de México, C.P. 11520