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ST 2,5-QUATTRO-TG 3038451 PHOENIX CONTACT Disconnect terminal block
ST 2,5-QUATTRO-TG
3038451
PHOENIX CONTACT
50 Pcs.
Disconnect terminal block
Interruptible terminal block, The maximum load current must not be exceeded by the sum current of all connected conductors. The current and voltage are determined by the connector used., rated voltage: 400 V, rated current: 20 A, 1st floor, connection type: Spring connection, Sizing section: 2.5 mm², cross-section: 0.08 mm² - 4 mm², mounting: NS 35/7.5, NS 35/15, color: gray
Disconnect terminal block, The max. load current must not be exceeded by the total current of all connected conductors.Current and voltage are determined by the plug used., nom. voltage: 400 V, Thermal continuous current Ith: 20 A, connection method: Spring-cage connection, Rated cross section: 2.5 mm2, cross section: 0.08 mm2 - 4 mm2, mounting: NS 35/7,5, NS 35/15, color: gray
Automation > (Knife) disconnect terminal block
Modular TBs
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Engineered for demanding railway applications, the Phoenix Contact ST 2,5-QUATTRO-TG disconnect terminal block provides robust signal separation and distribution within rolling stock electrical architectures. Modular disconnect blocks allow technicians to isolate specific sub-circuits safely during routine maintenance and diagnostic testing operations. Pricing, availability and lead time are confirmed per enquiry through an RFQ.
- Product type: Disconnect terminal block
- Area of application: Railway industry
- Number of connections: 4
- Number of rows: 1
- Potentials: 1
- Data management status Article revision: 06
- Insulation characteristics Overvoltage category: III
- Degree of pollution: 3
- Rated surge voltage: 6 kV
- Maximum power dissipation for nominal condition: 0.77 W
- Number of connections per level: 4
- Nominal cross section: 2.5 mm²
- Stripping length: 8 mm ... 10 mm
- Internal cylindrical gage: A3
- Connection in acc. with standard: IEC 60947-7-1
- Conductor cross section rigid: 0.08 mm² ... 4 mm²
More info
▲Technical data
Notes
| General | The max. load current must not be exceeded by the total current of all connected conductors. Current and voltage are determined by the plug used. |
| General | |
| Note | The max. load current must not be exceeded by the total current of all connected conductors. |
Product properties
| Product type | Disconnect terminal block |
| Area of application | Railway industry |
| Machine building | |
| Plant engineering | |
| Number of connections | 4 |
| Number of rows | 1 |
| Potentials | 1 |
| 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 | 4 |
| Nominal cross section | 2.5 mm² |
| Stripping length | 8 mm ... 10 mm |
| Internal cylindrical gage | A3 |
| 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 |
| Thermal continuous current Ith | 20 A (with 4 mm² conductor cross section) |
| Maximum load current | 20 A (with 4 mm² conductor cross section) |
| Nominal voltage | 400 V (voltage is determined by the plug used) |
| Nominal cross section | 2.5 mm² |
Dimensions
| Width | 5.2 mm |
| End cover width | 2.2 mm |
| Height | 84 mm |
| Depth on NS 35/7,5 | 36.5 mm |
| Depth on NS 35/15 | 44 mm |
Material specifications
| Color | gray (RAL 7042) |
| Flammability rating according to UL 94 | V0 |
| Insulating material group | I |
| Insulating material | PA |
| Static insulating material application in cold | -60 °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 |
| 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 |
Electrical tests
| Surge voltage test | |
| Test voltage setpoint | 6 kV |
| Result | Test passed |
| Temperature-rise test | |
| Requirement temperature-rise test | Increase in temperature ≤ 45 K |
| Result | Test passed |
| Short-time withstand current 2.5 mm² | 0.3 kA |
| Result | Test passed |
| Power-frequency withstand voltage | |
| Test voltage setpoint | 1.89 kV |
| Result | Test passed |
Mechanical properties
| Mechanical data | |
| Open side panel | Yes |
Mechanical tests
| Mechanical strength | |
| Result | Test passed |
| Attachment on the carrier | |
| Test force setpoint | 1 N |
| Result | Test passed |
| Test for conductor damage and slackening | |
| Rotation speed | 10 (+/- 2) rpm |
| Revolutions | 135 |
| Conductor cross section/weight | 0.08 mm² / 0.1 kg |
| 2.5 mm² / 0.7 kg | |
| 4 mm² / 0.9 kg | |
| Result | Test passed |
Environmental and real-life conditions
| Aging | |
| Temperature cycles | 192 |
| Result | Test passed |
| Needle-flame test | |
| Time of exposure | 30 s |
| Result | Test passed |
| Oscillation/broadband noise | |
| Specification | DIN EN 50155 (VDE 0115-200):2022-06 |
| Spectrum | Service life test category 2, bogie-mounted |
| Frequency | f1= 5 Hz to f2= 250 Hz |
| 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 |
| Shocks | |
| Specification | DIN EN 50155 (VDE 0115-200):2008-03 |
| 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 ... 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 |