| Wire sizes | | |
| Solid | 0.5 mm² - 6.0 mm² | |
| Stranded | 0.6 mm² - 6.0 mm² | |
| Stranded with ferrule | 0.5 mm² - 4.0 mm² | |
| Clamping range | 0.08 mm² - 6.0 mm² | |
| Dimensions | | |
| Stripped length | 12.0 mm | |
| Width | 5.1 mm | |
| Height | 37.5 mm | |
| Length | 52.5 mm | |
| Height TS35 x 7.5 | 38.5 mm | |
| Connections | | |
| Plug gauge EN 60947-1 | A4 | |
| Insulating Material | | |
| Material | PA 6.6 | |
| Flammability class | UL 94 V-0 | |
| Temperature | | |
| Working temperature | -40 - 120 °C | |
| General | |
| Cross connection channels | 2 |
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| Article Designation | Article Number | PU |
| FRI4-BEIGE | 43276.2 | 100 |
| FRI4-BLUE | 43276.5 | 100 |
| FRI4-ORANGE | 43276.3 | 100 |
| Colours | Order Data | | |
| BEIGE, similar RAL 1019 | 43276.2 | | |
| BLUE, similar RAL 5015 | 43276.5 | | |
| ORANGE, similar RAL 2003 | 43276.3 | | |
| Article Designation | Order Data | PU |
| End Plate FAPI2.5-4/2A | 493484.2 | 20 |
| Cross-Connection insulated FIQI2.5-4/2 | 4917402.8 | 20 |
| Cross-Connection insulated FIQI2.5-4/2 | 4917402.8 | 20 |
| Cross-Connection insulated FIQI2.5-4/4 | 4917404.8 | 20 |
| Cross-Connection insulated FIQI2.5-4/5 | 4917405.8 | 20 |
| Cross-Connection insulated FIQI2.5-4/6 | 4917406.8 | 20 |
| Cross-Connection insulated FIQI2.5-4/7 | 4917407.8 | 20 |
| Cross-Connection insulated FIQI2.5-4/8 | 4917408.8 | 10 |
| Cross-Connection insulated FIQI2.5-4/9 | 4917409.8 | 10 |
| Cross-Connection insulated FIQI2.5-4/10 | 4917400.8 | 10 |
| Four-Way Covers FAD2.5/4/B | 493426.8 | 20 |
| Endstützen ZES35/2 | 493811.2 | 50 |
| Quick Labelling PSB5/50 | 494600.7 | 500 |
| Wire-End Ferrule für kleine Anschlussräume H 4.0/20-D-SR | 493194.0 | 500 |
| Ratings | | | |  |  | |  |
| Rated voltage | | | | 600 V | 600 V | | 800 V |
| Rated current | | | | 30 A | 30 A | | 32 A |
| Rated wire size | | | | AWG 20-10 | AWG 20-10 | | 4.0 mm² |
| Rated impulse voltage | | | | | | | 8 kV |
| Pollution degree | | | | | | | 3 |