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Phoenix Contact 3244164
AllConnectorsTerminal blocksSpring-cage connection

3244164

Official Distributor

By Phoenix Contact

SKU
PHX3244164
MPN
MSB 2,5-RZ
Weight
0.004 kg
Series MSB

MSB 2,5-RZ - Mini feed-through terminal block

Mini feed-through terminal block, nom. voltage: 800 V, nominal current: 24 A, number of connections: 2, 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: gray

  • Can be freely combined with MS(D)B 2,5‑M middle terminal blocks
  • Space saving, thanks to the compact design and mounting option directly on the mounting panel
  • Clear arrangement thanks to marking of all terminal points
Technical Specifications

Product properties

Number of Connections2
Number of rows1

Insulation characteristics

Overvoltage categoryIII
Degree of pollution3

Electrical properties

Rated surge voltage8 kV
Maximum power dissipation for nominal condition0.77 W

Connection data

Number of connections per level2
Nominal cross section2.5 mm²

1 level

Stripping length8 mm
Internal cylindrical gageA3
Connection in acc. with standardIEC 60947-7-1
Conductor cross section rigid0.08 mm² ... 4 mm²
Cross section AWG28 ... 12 (converted acc. to IEC)
Conductor cross section flexible0.08 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 sleeve0.5 mm²
Nominal Current24 A
Maximum Load Current30 A (with 4 mm² conductor cross section)
Nominal Voltage800 V
Nominal cross section2.5 mm²
Connection in acc. with standardIEC/EN 60079-7
Cross section AWG28 ... 12 (converted acc. to IEC)
Conductor cross section, flexible [AWG]28 ... 14 (converted acc. to IEC)

Rated data (ATEX/IECEx)

Identification II 2 G  Ex eb IIC Gb
Operating temperature range-60 °C ... 110 °C
Ex-certified accessories3024177 D-MZB 1,5
Ex-certified accessories1204517 SZF 1-0,6X3,5
Ex temperature increase40 K (21.3 A / 2.5 mm²)
Rated insulation voltage when mounting on DIN rails630 V
Rated insulation voltage when directly mounted on mounting surface500 V
Output(Permanent)

Ex level General

Rated voltage when mounting on DIN rails690 V
Rated voltage during direct mounting on mounting surface550 V
Rated current21 A
Maximum Load Current26 A
Contact resistance0.87 mΩ

Ex connection data General

Nominal cross section2.5 mm²
Rated cross section AWG14
Connection capacity rigid0.08 mm² ... 4 mm²
Connection capacity AWG28 ... 12
Connection capacity flexible0.08 mm² ... 2.5 mm²
Connection capacity AWG28 ... 14

Dimensions

Width5.2 mm
End cover width4 mm
Height32 mm
Depth22 mm
Drill hole spacing5.2 mm
Hole diameter3.5 mm
Plate thickness0.6 mm ... 1.5 mm

Material specifications

Colorgray
Flammability rating according to UL 94V0
Insulating material groupI
Insulating materialPA
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) R22HL 1 - HL 3
Fire protection for rail vehicles (DIN EN 45545-2) R23HL 1 - HL 3
Fire protection for rail vehicles (DIN EN 45545-2) R24HL 1 - HL 3
Fire protection for rail vehicles (DIN EN 45545-2) R26HL 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

Surge voltage test

Test voltage setpoint9.8 kV
ResultTest passed

Temperature-rise test

Requirement temperature-rise testIncrease in temperature ≤ 45 K
ResultTest passed
Short-time withstand current 2.5 mm²0.3 kA
Short-time withstand current 4 mm²0.48 kA
ResultTest passed

Power-frequency withstand voltage

Test voltage setpoint2 kV
ResultTest passed

Mechanical data

Open side panelYes

Technical data

Drill hole spacing5.2 mm

Mechanical strength

ResultTest passed

Attachment on the carrier

DIN rail/fixing supportConductive mounting panel
Test force setpoint1 N
ResultTest passed

Test for conductor damage and slackening

Rotation speed10 rpm
Revolutions135
Conductor cross section/weight0.08 mm² / 0.1 kg
Conductor cross section/weight2.5 mm² / 0.7 kg
Conductor cross section/weight4 mm² / 0.9 kg
ResultTest passed

Aging

Temperature cycles192
ResultTest passed

Needle-flame test

Time of exposure30 s
ResultTest passed

Oscillation/broadband noise

SpecificationDIN EN 50155 (VDE 0115-200):2008-03
SpectrumService life test category 1, class B, body mounted
Frequencyf1 = 5 Hz to f2 = 150 Hz
ASD level1.857 (m/s²)²/Hz
Acceleration0.8g
Test duration per axis5 h
Test directionsX-, Y- and Z-axis
ResultTest passed

Shocks

SpecificationDIN EN 50155 (VDE 0115-200):2008-03
Pulse shapeHalf-sine
Acceleration5g
Shock duration30 ms
Number of shocks per direction3
Test directionsX-, Y- and Z-axis (pos. and neg.)
ResultTest 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, 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 standardIEC 60947-7-1
Connection in acc. with standardIEC/EN 60079-7

Mounting

Mounting Typeon mounting panel
Accessories
  • 3024177
    3024177
    D-MZB 1,5 - End cover, depth: 22 mm, width: 4 mm, height: 32 mm, color: gray
  • 3024423
    3024423
    End cover, width: 4 mm, height: 22 mm, color: blue
  • 1204517
    1204517
    Screwdriver - SZF 1-0,6X3,5
  • 1207608
    1207608
    Actuation tool - ST-BW
  • 0808642
    0808642
    Zack Marker strip, flat - ZBF 5:UNBEDRUCKT
  • 0810821
    0810821
    0810821 -
  • 0810863
    0810863
    Zack Marker strip, flat - ZBF 5,LGS:UNGERADE ZAHLEN
  • 0818153
    0818153
    Marker for terminal blocks - UC-TMF 5
  • 0824638
    0824638
    Marker for terminal blocks - UC-TMF 5 CUS
  • 0828744
    0828744
    Marker for terminal blocks - UCT-TMF 5

Why Proax for Phoenix Contact 3244164?

Proax is an authorized distributor of Phoenix Contact 3244164 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
Pack Size50
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