Description
Protective conductor terminal block
Protective conductor terminal block, with Allen screws, number of connections: 2, number of positions: 1, connection method: Screw connection, Rated cross section: 50 mm<sup>2</sup>, cross section: 16 mm<sup>2</sup> – 50 mm<sup>2</sup>, mounting method: PE foot with mounting screw, M6, mounting type: NS 35/7,5, NS 35/15, NS 32, color: green-yellow
Product properties
| Product type |
Ground terminal block |
| Product family |
USLKG |
| Number of positions |
1 |
| 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 |
4.73 W |
Connection data
| Grounding foot |
Yes |
| Number of connections per level |
2 |
| Nominal cross section |
50 mm² |
| Level 1 above 1 below 1 |
| Connection method |
Screw connection |
| Screw thread |
M6 |
| Note |
Please observe the current carrying capacity of the DIN rails. |
| Tightening torque |
6 … 8 Nm |
| Stripping length |
24 mm |
| Connection in acc. with standard |
IEC 60947-7-2 |
| Conductor cross-section rigid |
16 mm² … 50 mm² |
| Cross section AWG |
4 … 2 (converted acc. to IEC) |
| Conductor cross-section flexible |
25 mm² … 50 mm² |
| Conductor cross-section, flexible [AWG] |
2 … 2 (converted acc. to IEC) |
| Conductor cross-section flexible (ferrule without plastic sleeve) |
25 mm² … 50 mm² |
| Flexible conductor cross-section (ferrule with plastic sleeve) |
25 mm² … 50 mm² |
| Nominal cross section |
50 mm² |
| Connection in acc. with standard |
IEC/EN 60079-7 |
| Conductor cross-section rigid |
16 mm² … 50 mm² |
| Cross section AWG |
6 … 1/0 (converted acc. to IEC) |
| Conductor cross-section flexible |
25 mm² … 50 mm² |
Ex data
| Rated data (ATEX/IECEx) |
| Identification |
II 2 GD Ex eb IIC Gb |
| Operating temperature range |
-60 °C … 110 °C |
| Ex-certified accessories |
1203343 VDE-ISS 5 |
| Ex-certified accessories |
1201659 E/AL-NS 32 |
| Ex-certified accessories |
1201662 E/AL-NS 35 |
| Torque range for PE foot |
6 Nm … 8 Nm |
| output |
(Permanent) |
| Ex connection data General |
| Torque range |
6 Nm … 8 Nm |
| Nominal cross section |
50 mm² |
| Rated cross section AWG |
1/0 |
| Connection capacity rigid |
16 mm² … 50 mm² |
| Connection capacity AWG |
6 … 1/0 |
| Connection capacity flexible |
25 mm² … 50 mm² |
| Connection capacity AWG |
4 … 1/0 |
Dimensions
| Width |
20 mm |
| Height |
70.5 mm |
| Depth on NS 32 |
81 mm |
| Depth on NS 35/15 |
83.5 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) |
125 °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 |
Mechanical properties
| General |
| Terminal block mounting |
6 Nm … 8 Nm (PE foot with mounting screw, M6) |
| 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 |
IEC 60947-7-2 |
| Connection in acc. with standard |
IEC/EN 60079-7 |
Mounting
| Mounting type |
NS 35/7,5 |
| Mounting type |
NS 35/15 |
| Mounting type |
NS 32 |
| Terminal block mounting |
6 Nm … 8 Nm (PE foot with mounting screw, M6) |
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