PHOENIX CONTACT PT 2,5-MT PT 2,5-MT 3210156 PHOENIX CONTACT Knife disconnect terminal block View larger
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PT 2,5-MT 3210156 PHOENIX CONTACT Knife disconnect terminal block

PT 2,5-MT

3210156

PHOENIX CONTACT

50 Pcs.

Knife disconnect terminal block Blade interruptible terminal block, nominal voltage: 400 V, nominal current: 20 A, connection type: Push-in connection, Dimensioning cross-section: 2.5 mm², cross-section: 0.14 mm² - 4 mm², mounting: NS 35/7.5, NS 35/15, colour: grey

Automation > (Knife) disconnect terminal block
Modular TBs

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Product Overview

A knife disconnect terminal block provides a mechanical switching point in industrial wiring systems to isolate specific control loops during diagnostics. The Phoenix Contact PT 2,5-MT design ensures reliable connections on standard rails while keeping maintenance procedures straightforward.

Pricing, availability and lead time are confirmed per enquiry through an RFQ.

  • Connectable conductor cross section solid-core (EF007337): 0.14 mm²
  • Rated current In (EF008250): 20 A
  • Rated voltage (EF000228): 400 V
  • Number of clamp positions per level (EF002660): 2
  • Internally connected stages (EF002661): Yes
  • Mounting method (EF000003): DIN rail (top hat rail) 35 mm
  • Width (EF000008): 5.2 mm
  • Height (EF000040): 62 mm
  • Depth (EF000049): 35.3 mm
  • Closing plate required (EF002525): Yes
  • Colour (EF000007): Grey
  • With integrated test socket (EF002547): No

More info

Key Commercial Data

Orderkey3210156
Packing unit50 pc
Catalog pagePage 76 (C-1-2017)
GTIN4046356333597
Weight per Piece (excluding packing)7.550 g
Custom tariff number85369010
Country of originPL (Poland)

General

Number of levels1
Number of connections2
Potentials1
Nominal cross section2.5 mm²
Colorgray
Insulating materialPA
Flammability rating according to UL 94V0
Rated surge voltage6 kV
Degree of pollution3
Overvoltage categoryIII
Insulating material groupI
Maximum power dissipation for nominal condition0.77 W
Maximum load current20 A (with 4 mm² conductor cross section)
Nominal current IN20 A
Nominal voltage UN400 V
Open side panelYes
Shock protection test specificationDIN EN 50274 (VDE 0660-514):2002-11
Back of the hand protectionguaranteed
Finger protectionguaranteed
Result of surge voltage testTest passed
Surge voltage test setpoint7.3 kV
Result of power-frequency withstand voltage testTest passed
Power frequency withstand voltage setpoint1.89 kV
Result of the test for mechanical stability of terminal points (5 x conductor connection)Test passed
Result of bending testTest passed
Bending test rotation speed10 rpm
Bending test turns135
Bending test conductor cross section/weight0.14 mm² / 0.2 kg
2.5 mm² / 0.7 kg
4 mm² / 0.9 kg
Tensile test resultTest passed
Conductor cross section tensile test0.14 mm²
Tractive force setpoint10 N
Conductor cross section tensile test2.5 mm²
Tractive force setpoint50 N
Conductor cross section tensile test4 mm²
Tractive force setpoint60 N
Result of tight fit on supportTest passed
Tight fit on carrierNS 35
Setpoint1 N
Result of voltage-drop testTest passed
Requirements, voltage drop≤ 6,4 mV
Result of temperature-rise testTest passed
Short circuit stability resultTest passed
Conductor cross section short circuit testing1.5 mm²
Short-time current0.18 kA
Conductor cross section short circuit testing2.5 mm²
Short-time current0.3 kA
Result of thermal testTest passed
Ageing test for screwless modular terminal block temperature cycles192
Proof of thermal characteristics (needle flame) effective duration30 s
Result of aging testTest passed
Oscillation, broadband noise test resultTest passed
Test specification, oscillation, broadband noiseDIN EN 50155 (VDE 0115-200):2008-03
Test spectrumService life test category 2, bogie-mounted
Test frequencyf1= 5 Hz to f2= 250 Hz
ASD level6.12 (m/s2)2/Hz
Acceleration3.12 g
Test duration per axis5 h
Test directionsX-, Y- and Z-axis
Shock test resultTest passed
Test specification, shock testDIN EN 50155 (VDE 0115-200):2008-03
Shock formHalf-sine
Acceleration30g
Shock duration18 ms
Number of shocks per direction3
Test directionsX-, 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))125 °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 I2
NF F16-101, NF F10-102 Class F2
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)27,5 MJ/kg
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

Dimensions

Width5.2 mm
End cover width2.2 mm
Length62 mm
Height35.3 mm
Height NS 35/7,536.5 mm
Height NS 35/1544 mm

Connection data

Connection methodPush-in connection
Stripping length8 mm ... 10 mm
Connection in acc. with standardIEC 60947-7-1
Conductor cross section solid min.0.14 mm²
Conductor cross section solid max.4 mm²
Conductor cross section AWG min.26
Conductor cross section AWG max.12
Conductor cross section flexible min.0.14 mm²
Conductor cross section flexible max.2.5 mm²
Min. AWG conductor cross section, flexible26
Max. AWG conductor cross section, flexible14
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
Internal cylindrical gageA3

Standards and Regulations

Connection in acc. with standardCSA
IEC 60947-7-1
Flammability rating according to UL 94V0
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

Environmental Product Compliance

China RoHSEnvironmentally friendly use period: unlimited = EFUP-e
No hazardous substances above threshold values

Classifications


Product Datasheet

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