Knife disconnect terminal block

Tekniset tiedot

Product properties

Product type Disconnect terminal block
Number of connections 2
Number of rows 1
Potentials 1

Insulation characteristics
Overvoltage category III
Degree of pollution 3

Electrical properties

Rated surge voltage 6 kV
Maximum power dissipation for nominal condition 0.77 W

Connection data

Number of connections per level 2
Nominal cross section 2.5 mm²

Level 1 above 1 below 1
Screw thread M3
Tightening torque 0.5 … 0.6 Nm
Stripping length 7 mm
Internal cylindrical gage A3
Connection in acc. with standard IEC 60947-7-1
Conductor cross section rigid 0.2 mm² … 4 mm²
Cross section AWG 24 … 12 (converted acc. to IEC)
Conductor cross section flexible 0.2 mm² … 2.5 mm²
Conductor cross section, flexible [AWG] 24 … 14 (converted acc. to IEC)
Conductor cross-section flexible (ferrule without plastic sleeve) 0.25 mm² … 2.5 mm²
Flexible conductor cross section (ferrule with plastic sleeve) 0.25 mm² … 1.5 mm²
Cross-section with insertion bridge, rigid 4 mm²
Cross-section with insertion bridge, flexible 2.5 mm²
2 conductors with same cross section, solid 0.2 mm² … 1.5 mm²
2 conductors with same cross section, flexible 0.2 mm² … 1.5 mm²
2 conductors with same cross section, flexible, with ferrule without plastic sleeve 0.25 mm² … 1.5 mm²
2 conductors with the same cross section, flexible, with TWIN ferrule with plastic sleeve 0.5 mm² … 1.5 mm²
Nominal current 16 A (with 4 mm² conductor cross section)
Maximum load current 16 A (with 4 mm² conductor cross section)
Nominal voltage 400 V (up to 690 V for pollution degree II)
Nominal cross section 2.5 mm²

Dimensions

Width 5.2 mm
End cover width 1 mm
Height 46 mm
Depth on NS 32 56.5 mm
Depth on NS 35/7,5 51.5 mm
Depth on NS 35/15 59 mm

Material specifications

Color gray
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)) 125 °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) 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 setpoint 7.3 kV
Result Test passed

Temperature-rise test
Requirement temperature-rise test Increase in temperature ≤ 45 K
Result Test passed
Short-time withstand current 1.5 mm² 0.18 kA
Result Test passed

Power-frequency withstand voltage
Test voltage setpoint 1.89 kV
Result Test passed

Mechanical properties

Mechanical data
Open side panel Yes

Mechanical tests

Mechanical strength
Result Test passed

Attachment on the carrier
Result Test passed

Test for conductor damage and slackening
Rotation speed 10 (+/- 2) rpm
Revolutions 135
Conductor cross section/weight 0.2 mm² / 0.2 kg
2.5 mm² / 0.7 kg
4 mm² / 0.9 kg
Result Test passed

Environmental and real-life conditions

Needle-flame test
Time of exposure 30 s
Result Test passed

Oscillation/broadband noise
Specification DIN EN 50155 (VDE 0115-200):2018-05
Spectrum Service life test category 2, bogie-mounted
Frequency f1 = 5 Hz to f2 = 250 Hz
ASD level 6.12 (m/s²)²/Hz
Acceleration 3.12g
Test duration per axis 5 h
Test directions X-, Y- and Z-axis
Result Test passed

Shocks
Pulse shape Semi-sinusoidal
Acceleration 5g
Shock duration 30 ms
Number of shocks per direction 3
Test directions X-, Y- and Z-axis (pos. and neg.)
Result Test 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 standard IEC 60947-7-1

Mounting

Mounting type NS 35/7,5
NS 35/15
NS 32

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