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STTB 2,5-TWIN BU 3038529 PHOENIX CONTACT Double-level spring-cage terminal block
STTB 2,5-TWIN BU
3038529
PHOENIX CONTACT
50 Pcs.
Double-level spring-cage terminal block
Double-deck spring terminal block, nominal voltage: 500 V, nominal current: 22 A, connection type: Spring connection, 1st and 2nd floor, Sizing cross-section: 2.5 mm², cross-section: 0.08 mm² - 4 mm², mounting class: NS 35/7.5, NS 35/15, color: blue
Double-level spring-cage terminal block, nom. voltage: 500 V, nominal current: 22 A, connection method: Spring-cage connection, 1st and 2nd level, Rated cross section: 2.5 mm2, cross section: 0.08 mm2 - 4 mm2, mounting type: NS 35/7,5, NS 35/15, color: blue
Automation > Feed-through terminal block
Modular TBs
Product condition, packaging, certifications and applicable manufacturer warranty terms are confirmed with the quotation.
More info
▲Technical data
Product properties
| Product type | Multi-level terminal block |
| Area of application | Railway industry |
| Machine building | |
| Plant engineering | |
| Number of connections | 6 |
| Number of rows | 2 |
| Potentials | 2 |
| Data management status | |
| Article revision | 06 |
| Insulation characteristics | |
| Overvoltage category | III |
| Degree of pollution | 3 |
Electrical properties
| Rated surge voltage | 6 kV |
| Maximum power dissipation for nominal condition | 0.77 W |
Connection data
| Number of connections per level | 3 |
| Nominal cross section | 2.5 mm² |
| 1st and 2nd level | |
| Stripping length | 8 mm ... 10 mm |
| Connection in acc. with standard | IEC 60947-7-1 |
| Conductor cross section rigid | 0.08 mm² ... 4 mm² |
| Cross section AWG | 28 ... 12 (converted acc. to IEC) |
| Conductor cross section flexible | 0.08 mm² ... 2.5 mm² |
| Conductor cross section, flexible [AWG] | 28 ... 14 (converted acc. to IEC) |
| Conductor cross-section flexible (ferrule without plastic sleeve) | 0.14 mm² ... 2.5 mm² |
| Flexible conductor cross section (ferrule with plastic sleeve) | 0.14 mm² ... 2.5 mm² |
| 2 conductors with the same cross section, flexible, with TWIN ferrule with plastic sleeve | 0.5 mm² |
| Nominal current | 22 A |
| Maximum load current | 26 A (with 4 mm² conductor cross section) |
| Nominal voltage | 500 V |
| Nominal cross section | 2.5 mm² |
Dimensions
| Width | 5.2 mm |
| End cover width | 2.2 mm |
| Height | 91.5 mm |
| Depth on NS 35/7,5 | 47.5 mm |
| Depth on NS 35/15 | 55 mm |
Material specifications
| 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)) | 125 °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) | 27,5 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 properties
| Mechanical data | |
| Open side panel | Yes |
Environmental and real-life conditions
| 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 % |
Standards and regulations
| Connection in acc. with standard | IEC 60947-7-1 |
Mounting
| Mounting type | NS 35/7,5 |
| NS 35/15 |
| Feature Name | Feature Value |
|---|---|
| Connectable conductor cross section fine-strand without cable end sleeve (EF007341) | 0.08 mm² |
| Connectable conductor cross section fine-strand with cable end sleeve (EF007339) | 0.14 mm² |
| Connectable conductor cross section solid-core (EF007337) | 0.08 mm² |
| Rated current In (EF008250) | 22 A |
| Rated voltage (EF000228) | 500 V |
| Type of electrical connection 1 (EF002526) | Spring clamp connection |
| Type of electrical connection 2 (EF002527) | Spring clamp connection |
| Number of levels (EF002659) | 2 |
| Number of clamp positions per level (EF002660) | 3 |
| Suitable for conductor material (EF012572) | Aluminium/copper |
| Mounting method (EF000003) | DIN rail (top hat rail) 35 mm |
| Material insulation body (EF007543) | Other |
| Inflammability class of insulation material according to UL94 (EF002521) | V0 |
| Width (EF000008) | 5.2 mm |
| Height (EF000040) | 91.5 mm |
| Depth (EF000049) | 47.5 mm |
| Closing plate required (EF002525) | Yes |
| Colour (EF000007) | Blue |
| Internally connected stages (EF002661) | No |