Official DistributorSKU
MPN
3038312
Weight
0.018 kg
This product is Not Cancellable/Not Returnable
Series ST
ST 2,5-L/L/N - Feed-through terminal block
Feed-through terminal block, nom. voltage: 500 V, nominal current: 24 A, connection method: Spring-cage connection, 1st, 2nd and 3rd level, Rated cross section: 2.5 mm2, cross section: 0.08 mm2 - 4 mm2, mounting type: NS 35/7,5, NS 35/15, color: gray
Technical Specifications
Product properties
| Number of Connections | 6 |
| Number of rows | 3 |
| Potentials | 3 |
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 | 2 |
| Nominal cross section | 2.5 mm² |
1st, 2nd and 3rd level
| 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 |
| Conductor cross-section flexible (2 conductors with the same cross-section, with TWIN ferrule and plastic sleeve) | 0.5 mm² |
| 2 conductors with the same cross section, flexible, with TWIN ferrule with plastic sleeve | 0.5 mm² |
| Nominal Current | 24 A |
| Maximum Load Current | 28 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 | 99.5 mm |
| Depth on NS 35/7,5 | 57.5 mm |
| Depth on NS 35/15 | 65 mm |
Material specifications
| Color | gray |
| 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 |
Surge voltage test
| Result | Test passed |
Temperature-rise test
| Requirement temperature-rise test | Increase in temperature ≤ 45 K |
| Result | Test passed |
| Short-time withstand current 2.4 mm² | 0.3 kA |
| Short-time withstand current 2.5 mm² | 0.3 kA |
| 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 data
| Open side panel | Yes |
Mechanical strength
| Result | Test passed |
Attachment on the carrier
| DIN rail/fixing support | NS 32/NS 35 |
| Result | Test passed |
Test for conductor damage and slackening
| Rotation speed | 10 rpm |
| Revolutions | 135 |
| Conductor cross section/weight | 0.2 mm² / 0.2 kg |
| Conductor cross section/weight | 2.5 mm² / 0.7 kg |
| Conductor cross section/weight | 4 mm² / 0.9 kg |
| Result | Test passed |
Aging
| Result | Test passed |
Needle-flame test
| Time of exposure | 30 s |
| Result | Test passed |
Oscillation/broadband noise
| Specification | DIN EN 50155 (VDE 0115-200):2018-05 |
| 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 |
Shocks
| Pulse shape | Half-sine |
| Acceleration | 30g |
| Shock duration | 18 ms |
| Number of shocks per direction | 3 |
| Test directions | X-, Y- and Z-axis (pos. and neg.) |
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 |
| Mounting Type | NS 35/15 |
Accessories
1204517 - Actuation tool, for ST terminal blocks, also suitable for use as a bladed screwdriver, size: 0.6 x 3.5 x 100 mm, 2-component grip, with non-slip grip
3062757 - Cover for conductor shaft, 10-pos., for spring cage terminal blocks (ST) and terminal blocks with push-in technology (PT) with a width of 5.2 mm
3032447 - Component connector, with 47 kOhm resistance for wire-break monitoring, pitch: 5.2 mm, depth: 34.8 mm, width: 4.1 mm, height: 8.9 mm, number of positions: 2, color: black
3061282 - Cover for actuation shaft, 5-pos., for spring-cage terminal blocks with width of 5.2 mm
0801733 - DIN rail perforated, Pack of 25 (50 m), acc. to EN 60715, material: Steel, galvanized, passivated with a thick layer, Standard profile, color: silver
0801681 - DIN rail, unperforated, Pack of 25 (50 m), acc. to EN 60715, material: Steel, galvanized, passivated with a thick layer, Standard profile, color: silver
1204119 - DIN rail perforated, Pack of 25 (50 m), acc. to EN 60715, material: Steel, Galvanized, white passivated, Standard profile, color: silver
1204122 - DIN rail, unperforated, Pack of 10 (20 m), acc. to EN 60715, material: Steel, Galvanized, white passivated, Standard profile, color: silver- 0801704 - DIN rail, unperforated, Pack of 25 (50 m), acc. to EN 60715, material: Aluminum, uncoated, Standard profile, color: silver
1206421 - DIN rail perforated, Pack of 25 (50 m), acc. to EN 60715, material: Steel, galvanized, Standard profile, color: silver
1206434 - DIN rail, unperforated, Pack of 25 (50 m), acc. to EN 60715, material: Steel, galvanized, Standard profile, color: silver
0801762 - DIN rail, unperforated, Pack of 10 (20 m), acc. to EN 60715, material: Copper, uncoated, Standard profile, color: copper-colored
3036725 - Spacer plate, depth: 29 mm, width: 5.2 mm, height: 22.4 mm, number of positions: 1, color: red
1201662 - End clamp, for end support of UKH 50 to UKH 240, is pushed onto DIN rail NS 35 and fixed with 2 screws, width: 10 mm, color: aluminum
Why Proax for Phoenix Contact ST 2,5-L/L/N?
Proax is an authorized distributor of Phoenix Contact ST 2,5-L/L/N and one of Phoenix Contact's largest distributors in North America. Our highly skilled in-house technical team is ready to assist with any technical needs.
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Additional Information
| Alternate Names | ST25LLN |
| Pack Size | 50 |
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