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Phoenix Contact STTBS 4-MT BU - 3035522 - Disconnect terminal block
Technical Specifications of Disconnect terminal block STTBS 4-MT BU 3035522
| Brand | Phoenix Contact |
| Product Type | Terminal Block |
| Product | STTBS 4-MT BU |
Phoenix Contact Disconnect terminal block STTBS 4-MT BU, 3035522 Technical Specifications
| Specification | Value |
|---|---|
| Product type | Disconnect terminal block |
| DIN rail/fixing support | NS 35/15 |
| Number of connections | 4 |
| Number of rows | 2 |
| Potentials | 2 |
| Overvoltage category | III |
| Rated surge voltage | 6 kV |
| Maximum power dissipation for nominal condition | 1.02 W |
| Number of connections per level | 2 |
| Nominal cross section | 2.5 mmΓΒ² |
| Stripping length | 8 mm ... 10 mm |
| Connection in acc. with standard | IEC 6094771 |
| Conductor cross section rigid | 0.08 mmΓΒ² ... 6 mmΓΒ² |
| Cross section AWG | 28 ... 10 (converted acc. to IEC) |
| Conductor cross section flexible | 0.08 mmΓΒ² ... 4 mmΓΒ² |
| Conductor cross section, flexible [AWG] | 28 ... 12 (converted acc. to IEC) |
| Conductor cross-section flexible (ferrule without plastic sleeve) | 0.14 mmΓΒ² ... 4 mmΓΒ² |
| Flexible conductor cross section (ferrule with plastic sleeve) | 0.14 mmΓΒ² ... 4 mmΓΒ² |
| 2 conductors with the same cross section, flexible, with TWIN ferrule with plastic sleeve | 0.5 mmΓΒ² ... 1 mmΓΒ² |
| Nominal current | 20 A (with a 2.5 mmΓΒ² conductor cross section) |
| Maximum load current | 20 A (with a 2.5 mmΓΒ² conductor cross section) |
| Nominal voltage | 500 V |
| Width | 6.2 mm |
| End cover width | 2.2 mm |
| Height | 92.4 mm |
| Depth on NS 35/7,5 | 55 mm |
| Depth on NS 35/15 | 62.5 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 ΓΒ°C |
| Relative insulation material temperature index (Elec., UL 746 B) | 130 ΓΒ°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 |
| 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 |
| Open side panel | Yes |
| Ambient temperature (operation) | 60 ΓΒ°C ... 110 ΓΒ°C (Operating temperature range incl. selfheating; for max. shortterm operating temperature, see RTI Elec.) |
| Ambient temperature (storage/transport) | 25 ΓΒ°C ... 60 ΓΒ°C (for a short time, not exceeding 24 h, 60 ΓΒ°C to +70 ΓΒ°C) |
| Ambient temperature (assembly) | 5 ΓΒ°C ... 70 ΓΒ°C |
| Ambient temperature (actuation) | 5 ΓΒ°C ... 70 ΓΒ°C |
| Permissible humidity (operation) | 20 % ... 90 % |
| Permissible humidity (storage/transport) | 30 % ... 70 % |
| Mounting type | NS 35/7,5 |
| Temperature index of insulation material (DIN EN 60216-1 (VDE 0304-21)) | 130 ΓΒ°C |
| Calorimetric heat release NFPA 130 (ASTM E 1354) | 28 MJ/kg |
