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Phoenix ContactOfficial Distributor

By Phoenix Contact

SKU
MPN
STTB 2,5/2P-PE/L
Weight
0.014 kg
Series STTB

STTB 2,5/2P-PE/L - Protective conductor double-level terminal block

Protective conductor double-level terminal block, nom. voltage: 500 V, nominal current: 22 A, connection method: Spring-cage/plug-in connection, 1st and 2nd level connection left, Rated cross section: 2.5 mm2, cross section: 0.08 mm2 - 4 mm2, mounting type: NS 35/15, NS 35/7,5, color: gray-yellow-green

  • The color coding of the PE and N levels helps to create clear and unambiguous potential distribution
  • These mixed versions combine the advantages of double-level feed-through terminal blocks and ground terminal blocks of the same shape
  • The PE/L and PE/N types feature a protective conductor contact with the DIN rail in the lower level, while the upper level is designed as a feed-through level
  • Potential routing on two levels
Technical Specifications

General

NoteWhen establishing a connection on the open housing side of a feed-through modular terminal block of the same series and size, the block must be provided with a cover if the expected insulation voltage is >320 V.

Product properties

Number of Connections4
Number of rows2

Insulation characteristics

Overvoltage categoryIII
Degree of pollution3

Electrical properties

Rated surge voltage6 kV
Maximum power dissipation for nominal condition0.77 W

Connection data

Grounding footYes
Number of connections per level2
Nominal cross section2.5 mm²

1st and 2nd level connection left

NotePlease observe the current carrying capacity of the DIN rails.
Stripping length10 mm
Internal cylindrical gageA3
Connection in acc. with standardIEC 61984
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
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 sleeve0.5 mm²
Nominal Current22 A
Nominal Voltage500 V
Nominal cross section2.5 mm²

Dimensions

Width5.2 mm
End cover width2.2 mm

Material specifications

Colorgray-yellow-green
Flammability rating according to UL 94V0
Insulating material groupI
Insulating materialPA
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) 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
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 setpoint7.3 kV
ResultTest passed
Short-time withstand current 2.5 mm²0.3 kA
ResultTest passed

Power-frequency withstand voltage

Test voltage setpoint1.89 kV
ResultTest passed

Mechanical data

Open side panelYes

Mechanical strength

ResultTest passed

Attachment on the carrier

ResultTest passed

Needle-flame test

Time of exposure30 s
ResultTest passed

Oscillation/broadband noise

SpecificationDIN EN 50155 (VDE 0115-200):2018-05
SpectrumService life test category 1, class B, body mounted
Frequencyf1 = 5 Hz to f2 = 150 Hz
ASD level0.964 (m/s²)²/Hz
Acceleration0.58g
Test duration per axis5 h
Test directionsX-, Y- and Z-axis
ResultTest passed

Shocks

SpecificationDIN EN 50155 (VDE 0115-200):2018-05
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 ... 105 °C (max. short-term operating temperature 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 (storage/transport)30 % ... 70 %

Standards and Regulations

Connection in acc. with standardIEC 61984

Mounting

Mounting TypeNS 35/15
Mounting TypeNS 35/7,5
Accessories

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Additional Information

Pack Size50
Recommended
Sold in quantities of 50

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