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ST 2,5-TWIN-MT/1P 3040766 PHOENIX CONTACT Knife disconnect terminal block
ST 2,5-TWIN-MT/1P
3040766
PHOENIX CONTACT
50 Pcs.
Knife disconnect terminal block
Blade interruptible terminal block, nominal voltage: 400 V, nominal current: 20 A, 1st floor, left-hand connection, connection type: Spring connection / plug-in connection, Dimensioning cross-section: 2.5 mm², cross-section: 0.08 mm² - 4 mm², mounting: NS 35/7.5, NS 35/15, colour: grey
Automation > (Knife) disconnect terminal block
Modular TBs
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The Phoenix Contact ST 2,5-TWIN-MT/1P is a knife disconnect terminal block designed to facilitate safe and efficient circuit isolation within industrial control panels. Terminal blocks of this category are widely used in electrical installations to organize wiring, distribute signals, and provide a quick mechanical break in signal paths without disconnecting field wires. Pricing, availability and lead time are confirmed per enquiry through an RFQ.
- Connectable conductor cross section solid-core (EF007337): 0.08 mm²
- Rated current In (EF008250): 20 A
- Rated voltage (EF000228): 400 V
- Number of clamp positions per level (EF002660): 3
- Internally connected stages (EF002661): Yes
- Mounting method (EF000003): DIN rail (top hat rail) 35 mm
- Width (EF000008): 5.2 mm
- Height (EF000040): 81 mm
- Depth (EF000049): 36.5 mm
- Closing plate required (EF002525): Yes
- Colour (EF000007): Grey
- With integrated test socket (EF002547): No
More info
▲Key Commercial Data
| Orderkey | 3040766 |
|---|---|
| Packing unit | 50 pc |
| Catalog page | Page 312 (C-1-2017) |
| GTIN | 4017918907310 |
| Weight per Piece (excluding packing) | 10.020 g |
| Custom tariff number | 85369010 |
| Country of origin | PL (Poland) |
General
| Number of levels | 1 |
|---|---|
| Number of connections | 2 |
| Nominal cross section | 2.5 mm² |
| Color | gray |
| Insulating material | PA |
| Flammability rating according to UL 94 | V0 |
| Area of application | Railway industry |
| Machine building | |
| Plant engineering | |
| Rated surge voltage | 6 kV |
| Degree of pollution | 3 |
| Overvoltage category | III |
| Insulating material group | I |
| Connection in acc. with standard | IEC 61984 |
| Nominal current IN | 20 A |
| Maximum load current | 20 A (with 4 mm² conductor cross section) |
| Nominal voltage UN | 400 V |
| Open side panel | Yes |
| Insertion/withdrawal cycles mechanical | 100 |
| Result of surge voltage test | Test passed |
| Surge voltage test setpoint | 7.3 kV |
| Result of power-frequency withstand voltage test | Test passed |
| Power frequency withstand voltage setpoint | 1.89 kV |
| Result of tight fit on support | Test passed |
| Tight fit on carrier | NS 35 |
| Setpoint | 1 N |
| Short circuit stability result | Test passed |
| Conductor cross section short circuit testing | 2.5 mm² |
| Short-time current | 0.3 kA |
| Result of thermal test | Test passed |
| Proof of thermal characteristics (needle flame) effective duration | 30 s |
| Oscillation, broadband noise test result | Test passed |
| Test specification, oscillation, broadband noise | DIN EN 50155 (VDE 0115-200):2008-03 |
| Test spectrum | Service life test category 1, class B, body mounted |
| Test frequency | f1= 5 Hz to f2= 150 Hz |
| ASD level | 0.964 (m/s2)2/Hz |
| Acceleration | 0.58 g |
| Test duration per axis | 5 h |
| Test directions | X-, Y- and Z-axis |
| Shock test result | Test passed |
| Test specification, shock test | DIN EN 50155 (VDE 0115-200):2008-03 |
| Shock form | Half-sine |
| Acceleration | 5 g |
| Shock duration | 30 ms |
| Number of shocks per direction | 3 |
| Test directions | X-, Y- and Z-axis (pos. and neg.) |
| Relative insulation material temperature index (Elec., UL 746 B) | 130 °C |
| Temperature index of insulation material (DIN EN 60216-1 (VDE 0304-21)) | 130 °C |
| Static insulating material application in cold | -60 °C |
| Behavior in fire for rail vehicles (DIN 5510-2) | Test passed |
| Flame test method (DIN EN 60695-11-10) | V0 |
| Oxygen index (DIN EN ISO 4589-2) | >32 % |
| NF F16-101, NF F10-102 Class I | 2 |
| NF F16-101, NF F10-102 Class F | 2 |
| 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 |
| Calorimetric heat release NFPA 130 (ASTM E 1354) | 28 MJ/kg |
| 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 |
Connection data
| Conductor cross section solid min. | 0.08 mm² |
|---|---|
| Conductor cross section solid max. | 4 mm² |
| Conductor cross section flexible min. | 0.08 mm² |
| Conductor cross section flexible max. | 2.5 mm² |
| Conductor cross section AWG min. | 28 |
| Conductor cross section AWG max. | 12 |
| Conductor cross section flexible, with ferrule without plastic sleeve min. | 0.14 mm² |
| Conductor cross section flexible, with ferrule without plastic sleeve max. | 2.5 mm² |
| Conductor cross section flexible, with ferrule with plastic sleeve min. | 0.14 mm² |
| Conductor cross section flexible, with ferrule with plastic sleeve max. | 2.5 mm² |
| 2 conductors with same cross section, stranded, TWIN ferrules with plastic sleeve, max. | 0.5 mm² |
| Connection method | Spring-cage/plug-in connection |
| Stripping length | 8 mm ... 10 mm |
| Internal cylindrical gage | A3 |
Standards and Regulations
| Connection in acc. with standard | CSA |
|---|---|
| IEC 61984 | |
| Flammability rating according to UL 94 | V0 |
| 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 |
Environmental Product Compliance
| China RoHS | Environmentally friendly use period: unlimited = EFUP-e |
|---|---|
| No hazardous substances above threshold values |