Description
Protective conductor terminal block
Protective conductor universal terminal block with bolt connection, cross section: 0.1 – 6 mm<sup>2</sup>, width: 11 mm, color: green-yellow, special version for DIN rails NS 35/15-2,3, and NS 35/15-AL
Product properties
| Product type |
Ground terminal block |
| Product family |
OTTA |
| Number of connections |
2 |
| Number of rows |
1 |
| Insulation characteristics |
| Overvoltage category |
III |
| Degree of pollution |
3 |
Electrical properties
| Rated surge voltage |
8 kV |
| Maximum power dissipation for nominal condition |
0 W |
Connection data
| Grounding foot |
Yes |
| Number of connections per level |
2 |
| Connection method |
Bolt connection |
| Note |
Please observe the current carrying capacity of the DIN rails. |
| Stripping length |
The stripping length depends on the specification provided by the cable lug manufacturer. |
| Connection in acc. with standard |
IEC 60947-7-2 |
| Cable lug connection DIN 46234:1980-03 |
| Connection in acc. with standard |
DIN 46234:1980-03 |
| Cross section |
0.1 mm² … 6 mm² |
| Cross section range AWG |
24 … 10 (converted acc. to IEC) |
| Hole diameter |
4.3 mm |
| Width |
9.6 mm |
| Bolt diameter |
4 mm |
| Screw thread |
M4 |
| Tightening torque |
1.5 … 1.8 Nm |
| Identification color of ring cable lugs : red |
1.5 mm² |
| Identification color of ring cable lugs : blue |
2.5 mm² |
| Identification color of ring cable lugs : yellow |
6 mm² |
| Connection in acc. with standard |
DIN 46237:1970-07 |
| Cross section |
0.5 mm² … 2.5 mm² |
| Cross section range AWG |
20 … 14 (converted acc. to IEC) |
| Hole diameter |
4.3 mm |
| Width |
9.6 mm |
| Bolt diameter |
4 mm |
| Screw thread |
M4 |
| Tightening torque |
1.5 … 1.8 Nm |
Dimensions
| Width |
11 mm |
| End cover width |
1.5 mm |
| Height |
43.5 mm |
| Depth on NS 35/15 |
59.5 mm |
Material specifications
| Color |
green-yellow |
| 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 |
Mechanical properties
| General |
| Terminal block mounting |
0.6 Nm … 0.8 Nm (M3) |
| Mechanical data |
| Open side panel |
No |
Environmental and real-life conditions
| 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 |
DIN 46234/DIN 46237 |
| Connection in acc. with standard |
IEC 60947-7-2 |
Mounting
| Mounting type |
NS 35/15-2,3 |
| Terminal block mounting |
0.6 Nm … 0.8 Nm (M3) |
📄 Download Datasheet (PDF)
