Type | J7TKN-A | J7TKN-B | J7TKN-C | J7TKN-D | J7TKN-E | J7TKN-F | J7TKN-G | J7TKN-H |
Rated insulation voltage Ui | 690 VAC | 750 VAC | 1000 VAC |
Permissible ambient temperature | Operation | -25 to 60°C | -25 to 55°C |
Storage | -50 to 70°C | -40 to 70°C |
Trip class according to IEC 947-4-1 | 10 A | 20 A | 10 A |
Cable cross-section Main connector | Solid or stranded mm2 | 0.75 to 6 0.75 to 2.5 | 0.75 to 6 | 0.75 to 10 | 4 to 35 | Without terminals, suitable for bushing one connector 70 mm² (stranded) per phase | Busbar 18×4 Screw M8 | Busbar 25×6 Screw M10 | See accessories |
Flexible mm2 | 0.75 to 4 0.5 to 2.5 | 1 to 4 | 0.75 to 6 | 6 to 25 |
Flexible with multi-core cable end mm2 | 0.5 to 2.5 0.5 to 1.5 | 0.75 to 4 | 0.75 to 6 | 4 to 25 |
Cables per clamp | Number | 1 + 1 | 2 | 2 | 1 | - | 1 | 1 | 1 |
Auxiliary connector | Solid mm2 | 0.75 to 2.5 | 1 to 2.5 |
Flexible mm2 | 0.5 to 2.5 | 1 to 2.5 |
Flexible with multi-core cable end mm2 | 0.5 to 1.5 | 1 to 2.5 |
Cables per clamp | Number | 2 |
Auxiliary contacts |
Rated insulation voltage Ui | same potential | 690 VAC | 500 VAC |
different potential | 440 VAC | 250 VAC | 440 VAC | 500 VAC |
Rated operational current Ie Utilization category AC15 | 24 V | 5 A | 3 A | 4 A | 5 A | 3 A | 4 A |
230 V | 3 A | 2 A | 2.5 A | 2.5 A | 3 A | 2 A | 2.5 A |
400 V | 2 A | 1 A | 1.5 A | 1.5 A | 2 A | 1 A | 1.5 A |
690 V | 0.6 A | 0.5 A | 0.6 A | 0.5 A | 0.6 A |
Rated operational current Ie Utilization category DC13 | 24 V | 1.2 A | 1 A | 1.2 A |
110 V | 0.15 A |
220 V | 0.1 A |
Short circuit protection (without welding 1 kA) | Highest fuse rating gL (gG) | 6 A | 4 A | 6 A | 4 A | 6 A |
Setting range | to 23 A | All | 28 to 42 A | 52 to 65 A | All | - | - | - |
Power loss per current path (max.) | Minimum setting value | 1.1 W | 1.1 W | 1.3 W | 2.9 W | 1.1 W | - | - | - |
Maximum setting value | 2.3 W | 2.3 W | 3.3 W | 4.5 W | 2.5 W | - | - | - |