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Images are for illustrative purposes only. Please refer to data sheet for details
MSDB 2,5-RZ BU 3244342 PHOENIX CONTACT Mini feed-through terminal block
MSDB 2,5-RZ BU
3244342
PHOENIX CONTACT
50 Pcs.
Mini feed-through terminal block
Mini-terminal block, nominal voltage: 800 V, nominal current: 24 A, number of connections: 4, connection type: Spring connection, 1st floor, Dimensioning cross-section: 2.5 mm², cross-section: 0.08 mm² - 4 mm², mounting class: On mounting plate, colour: blue
Mini feed-through terminal block, nom. voltage: 800 V, nominal current: 24 A, number of connections: 4, connection method: Spring-cage connection, 1 level, Rated cross section: 2.5 mm2, cross section: 0.08 mm2 - 4 mm2, mounting type: on mounting panel, 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 | Miniature terminal block |
| Number of connections | 4 |
| Number of rows | 1 |
| Data management status | |
| Article revision | 05 |
| Insulation characteristics | |
| Overvoltage category | III |
| Degree of pollution | 3 |
Electrical properties
| Rated surge voltage | 8 kV |
| Maximum power dissipation for nominal condition | 0.77 W |
Connection data
| Number of connections per level | 2 |
| Nominal cross section | 2.5 mm² |
| 1 level | |
| Stripping length | 8 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 |
| Nominal current | 24 A |
| Maximum load current | 30 A (with 4 mm² conductor cross section) |
| Nominal voltage | 800 V |
| Nominal cross section | 2.5 mm² |
| Connection in acc. with standard | IEC/EN 60079-7 |
Ex data
| Rated data (ATEX/IECEx) | |
| Identification | II 2 G Ex eb IIC Gb |
| Operating temperature range | -60 °C ... 110 °C |
| Ex-certified accessories | 3024177 D-MZB 1,5 |
| 3024180 D-MSB 1,5-F | |
| 1204517 SZF 1-0,6X3,5 | |
| List of bridges | Insertion bridge / ESB 2-MZDB / 3029703 |
| Bridge data | 21 A / 2.5 mm² |
| Ex temperature increase | 40 K (21.3 A / 2.5 mm²) |
| Rated insulation voltage when mounting on DIN rails | 630 V |
| Rated insulation voltage when directly mounted on mounting surface | 500 V |
| output | (Permanent) |
| Ex level General | |
| Rated voltage when mounting on DIN rails | 690 V |
| Rated voltage during direct mounting on mounting surface | 550 V |
| Rated current | 21 A |
| Maximum load current | 26 A |
| Contact resistance | 0.87 mΩ |
| Ex connection data General | |
| Nominal cross section | 2.5 mm² |
| Rated cross section AWG | 14 |
| Connection capacity rigid | 0.08 mm² ... 4 mm² |
| Connection capacity AWG | 28 ... 12 |
| Connection capacity flexible | 0.08 mm² ... 2.5 mm² |
| Connection capacity AWG | 28 ... 14 |
Dimensions
| Dimensional drawing |  |
| Width | 10.4 mm |
| End cover width | 4 mm |
| Height | 32 mm |
| Depth | 22 mm |
| Drill hole spacing | 10.3 mm |
| Hole diameter | 3.5 mm |
| Plate thickness | 0.6 mm ... 1.5 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)) | 130 °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) | 28 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 |
| Technical data | |
| Drill hole spacing | 10.3 mm |
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, no longer than 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 |
| IEC/EN 60079-7 |
Mounting
| Mounting type | on mounting panel |
| 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) | 24 A |
| Rated voltage (EF000228) | 800 V |
| Type of electrical connection 1 (EF002526) | Spring clamp connection |
| Type of electrical connection 2 (EF002527) | Spring clamp connection |
| Number of clamp positions per level (EF002660) | 2 |
| Suitable for conductor material (EF012572) | Aluminium/copper |
| Material insulation body (EF007543) | Other |
| Operating temperature (EF002393) | -60 °C |
| Inflammability class of insulation material according to UL94 (EF002521) | V0 |
| Width (EF000008) | 10.4 mm |
| Height (EF000040) | 32 mm |
| Depth (EF000049) | 22 mm |
| Closing plate required (EF002525) | Yes |
| Colour (EF000007) | Blue |
| Internally connected stages (EF002661) | Yes |