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PHOENIX CONTACT USST 4-MT P/P USST 4-MT P/P 3070302 PHOENIX CONTACT Knife disconnect terminal block View larger
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USST 4-MT P/P 3070302 PHOENIX CONTACT Knife disconnect terminal block

USST 4-MT P/P

3070302

PHOENIX CONTACT

50 Pcs.

Knife disconnect terminal block Blade interruptible terminal block, with threaded sockets for test sockets to accommodate test pins, nominal voltage: 500 V, nominal current: 20 A, 1st floor, connection type: Screw connection with spring support, Dimensioning section: 4 mm², cross-section: 0.2 mm² - 6 mm², mounting: NS 35/7.5, NS 35/15, NS 32, color: gray Knife-disconnect terminal block, With test socket screws for insertion of test plugs, nom. voltage: 500 V, nominal current: 20 A, 1 level, connection method: Screw connection with spring support, Rated cross section: 4 mm2, cross section: 0.2 mm2 - 6 mm2, mounting: NS 35/7,5, NS 35/15, NS 32, color: gray

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Technical data
Product properties
Product typeDisconnect terminal block
Number of connections2
Number of rows1
Potentials1
Data management status
Article revision06
Insulation characteristics
Overvoltage categoryIII
Degree of pollution3
Electrical properties
Rated surge voltage6 kV
Maximum power dissipation for nominal condition1.02 W
Connection data
Number of connections per level2
Nominal cross section4 mm²
1 level
Screw threadM3
Tightening torque0.6 ... 0.8 Nm
Stripping length10 mm
Internal cylindrical gageA4
Connection in acc. with standardIEC 60947-7-1
Conductor cross section rigid0.2 mm² ... 6 mm²
Cross section AWG24 ... 10 (converted acc. to IEC)
Conductor cross section flexible0.2 mm² ... 4 mm²
Conductor cross section, flexible [AWG]24 ... 12 (converted acc. to IEC)
Conductor cross-section flexible (ferrule without plastic sleeve)0.25 mm² ... 4 mm²
Flexible conductor cross section (ferrule with plastic sleeve)0.25 mm² ... 2.5 mm²
2 conductors with same cross section, solid0.2 mm² ... 1.5 mm²
2 conductors with same cross section, flexible0.2 mm² ... 1.5 mm²
2 conductors with same cross section, flexible, with ferrule without plastic sleeve0.25 mm² ... 1.5 mm²
2 conductors with the same cross section, flexible, with TWIN ferrule with plastic sleeve0.5 mm² ... 2.5 mm²
Nominal current20 A
Maximum load current20 A (with 6 mm² conductor cross section)
Nominal voltage500 V (up to 690 V for pollution degree II)
Nominal cross section4 mm²
Dimensions
Width6.2 mm
End cover width2.2 mm
Height63.4 mm
Depth on NS 3262.3 mm
Depth on NS 35/7,557.3 mm
Depth on NS 35/1564.8 mm
Material specifications
Colorgray (RAL 7042)
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))125 °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)27,5 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
Electrical tests
Surge voltage test
Test voltage setpoint7.3 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
ResultTest passed
Power-frequency withstand voltage
Test voltage setpoint1.89 kV
ResultTest passed
Mechanical properties
Mechanical data
Open side panelYes
Mechanical tests
Mechanical strength
ResultTest passed
Attachment on the carrier
Test force setpoint1 N
ResultTest passed
Test for conductor damage and slackening
Rotation speed10 rpm
Revolutions135
Conductor cross section/weight0.2 mm² / 0.2 kg
4 mm² / 0.9 kg
6 mm² / 1.4 kg
ResultTest passed
Test for conductor damage and slackening
Rotation speed10 rpm
Revolutions135
Conductor cross section/weight1.5 mm² / 0.4 kg
ResultTest passed
Environmental and real-life conditions
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
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, 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 (operation)20 % ... 90 %
Permissible humidity (storage/transport)30 % ... 70 %
Standards and regulations
Connection in acc. with standardIEC 60947-7-1
Mounting
Mounting typeNS 35/7,5
NS 35/15
NS 32

ETIM for 3070302 Terminal blocks (EC000902)
Feature Name Feature Value
Connectable conductor cross section fine-strand without cable end sleeve (EF007341) 0.2 mm²
Connectable conductor cross section fine-strand with cable end sleeve (EF007339) 0.25 mm²
Connectable conductor cross section solid-core (EF007337) 0.2 mm²
Connectable conductor cross section multi-wired (EF007343) 0.2 mm²
Rated current In (EF008250) 20 A
Rated voltage (EF000228) 500 V
Type of electrical connection 1 (EF002526) Other
Type of electrical connection 2 (EF002527) Other
Number of clamp positions per level (EF002660) 2
Internally connected stages (EF002661) Yes
Mounting method (EF000003) DIN rail (top hat rail) 35 mm
Material insulation body (EF007543) Other
Inflammability class of insulation material according to UL94 (EF002521) V0
Width (EF000008) 6.2 mm
Height (EF000040) 63.4 mm
Depth (EF000049) 57.3 mm
Closing plate required (EF002525) Yes
Colour (EF000007) Grey
Type of cross disconnection (EF002546) None
With integrated test socket (EF002547) No

Product Datasheet

Electrica Online Product Datasheet Prepared from the current product description, catalog data and structured technical attributes.