Description
Double-level terminal block
Double-level terminal block, nom. voltage: 500 V, nominal current: 30 A, connection method: Screw connection, 1st and 2nd level, Rated cross section: 4 mm<sup>2</sup>, cross section: 0.2 mm<sup>2</sup> – 4 mm<sup>2</sup>, mounting type: NS 35/7,5, NS 35/15, color: gray
Product properties
| Product type |
Multi-level terminal block |
| Product family |
SLKK |
| Number of connections |
5 |
| Number of rows |
3 |
| Potentials |
3 |
| Insulation characteristics |
| Overvoltage category |
III |
| Degree of pollution |
3 |
Electrical properties
| Rated surge voltage |
6 kV |
| Maximum power dissipation for nominal condition |
1.02 W |
Connection data
| Grounding foot |
Yes |
| Number of connections per level |
2 |
| Nominal cross section |
4 mm² |
| 1st and 2nd level |
| Connection method |
Screw connection |
| Screw thread |
M3 |
| Tightening torque |
0.6 … 0.8 Nm |
| Stripping length |
8 mm |
| Internal cylindrical gage |
A3 |
| Connection in acc. with standard |
IEC 60947-7-1/IEC 60947-7-2 |
| 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 … 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 |
| Cross-section with insertion bridge, rigid |
4 mm² |
| Cross-section with insertion bridge, flexible |
2.5 mm² |
| 2 conductors with same cross section, rigid |
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 cross section |
4 mm² |
| Nominal current |
30 A |
| Maximum load current |
30 A (with 4 mm² conductor cross-section) |
| Nominal voltage |
500 V |
Dimensions
| Width |
6.2 mm |
| End cover width |
2.5 mm |
| Height |
66.5 mm |
| Depth on NS 35/7,5 |
69.5 mm |
| Depth on NS 35/15 |
77 mm |
Material specifications
| Color |
gray (RAL 7042) |
| 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)) |
130 °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) |
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 |
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 4 mm² |
0.48 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 |
| DIN rail/fixing support |
NS 35 |
| Test force setpoint |
1 N |
| Result |
Test passed |
| Test for conductor damage and slackening |
| Rotation speed |
10 rpm |
| Revolutions |
135 |
| Conductor cross-section/weight |
0.2 mm² / 0.2 kg |
| Conductor cross-section/weight |
4 mm² / 0.9 kg |
| Result |
Test passed |
Environmental and real-life conditions
| Needle-flame test |
| Time of exposure |
30 s |
| 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/IEC 60947-7-2 |
Mounting
| Mounting type |
NS 35/7,5 |
| Mounting type |
NS 35/15 |
📄 Download Datasheet (PDF)
