Đầu nối chạc lồi không cách điện FSNB (Loại TO)
FSNB non-insulated convex fork terminals (TO type) are bare copper crimp terminals with upturned fork tips.
- 29 models across 0.5–1.5, 1.5–2.5 and 4–6 mm² conductor groups.
- Bolt options range from #4 to 5/16 in the supplied table.
- Compare bolt opening, fork width and body dimensions by model.
Overview
FSNB Non-Insulated Convex Fork Terminals (TO Type) are bare copper crimp terminals with an upturned fork end. The catalog lists 29 models across three conductor-size groups.
Features
- Convex fork profile: the fork tips turn upward in the supplied product drawing.
- Bare copper terminal: no insulating sleeve is listed for this series.
- Bolt-size selection: both USA bolt number and metric bolt opening are provided for every model.
Technical Specifications
| Parameter | Catalog specification |
|---|---|
| Product type | Non-insulated convex fork terminal, TO type |
| Series | FSNB |
| Material | Copper |
| Listed models | 29 |
The catalog gives the following conductor ranges, Imax and material thickness by group. Operating conditions for Imax are not stated.
| FSNB group | Conductor section (mm²) | Catalog Imax (A) | Material thickness (mm) |
|---|---|---|---|
| 1.25 | 0.5–1.5 | 19 | 0.7 |
| 2 | 1.5–2.5 | 27 | 0.8 |
| 5.5 | 4–6 | 48 | 1.0 |
Dimension
All dimensions below are in millimeters. The bolt number is the USA designation; d2 is the source’s metric bolt opening. E, D and d are group values repeated in the rows for easier comparison.
| Model | USA bolt No. | d2 | B | F | L | E | D | d |
|---|---|---|---|---|---|---|---|---|
| FSNB1.25-3 | #4 | 3.2 | 5.7 | 6.5 | 16.0 | 4.8 | 3.4 | 1.7 |
| FSNB1.25-3.5S | #6 | 3.7 | 5.7 | 6.5 | 16.0 | 4.8 | 3.4 | 1.7 |
| FSNB1.25-3.5L | #6 | 3.7 | 6.4 | 6.5 | 16.0 | 4.8 | 3.4 | 1.7 |
| FSNB1.25-4S | #8 | 4.3 | 6.4 | 6.5 | 16.0 | 4.8 | 3.4 | 1.7 |
| FSNB1.25-4M | #8 | 4.3 | 7.2 | 6.5 | 16.0 | 4.8 | 3.4 | 1.7 |
| FSNB1.25-4L | #8 | 4.3 | 8.1 | 6.5 | 16.0 | 4.8 | 3.4 | 1.7 |
| FSNB1.25-5S | #10 | 5.3 | 8.1 | 6.5 | 16.0 | 4.8 | 3.4 | 1.7 |
| FSNB1.25-5L | #10 | 5.3 | 9.5 | 6.5 | 16.0 | 4.8 | 3.4 | 1.7 |
| FSNB1.25-6S | 1/4 | 6.5 | 9.5 | 6.5 | 16.0 | 4.8 | 3.4 | 1.7 |
| FSNB1.25-6L | 1/4 | 6.5 | 12.0 | 11.0 | 22.0 | 4.8 | 3.4 | 1.7 |
| FSNB1.25-8 | 5/16 | 8.5 | 14.0 | 12.5 | 23.5 | 4.8 | 3.4 | 1.7 |
| FSNB2-3 | #4 | 3.2 | 5.7 | 6.5 | 16.0 | 4.8 | 4.1 | 2.3 |
| FSNB2-3.5S | #6 | 3.7 | 5.7 | 6.5 | 16.0 | 4.8 | 4.1 | 2.3 |
| FSNB2-3.5L | #6 | 3.7 | 6.4 | 6.5 | 16.0 | 4.8 | 4.1 | 2.3 |
| FSNB2-4S | #8 | 4.3 | 6.4 | 6.5 | 16.0 | 4.8 | 4.1 | 2.3 |
| FSNB2-4M | #8 | 4.3 | 7.2 | 6.5 | 16.0 | 4.8 | 4.1 | 2.3 |
| FSNB2-4L | #8 | 4.3 | 8.1 | 6.5 | 16.0 | 4.8 | 4.1 | 2.3 |
| FSNB2-5S | #10 | 5.3 | 8.1 | 6.5 | 16.0 | 4.8 | 4.1 | 2.3 |
| FSNB2-5L | #10 | 5.3 | 9.5 | 6.5 | 16.0 | 4.8 | 4.1 | 2.3 |
| FSNB2-6S | 1/4 | 6.5 | 9.5 | 6.5 | 16.0 | 4.8 | 4.1 | 2.3 |
| FSNB2-6L | 1/4 | 6.5 | 12.0 | 11.0 | 22.0 | 4.8 | 4.1 | 2.3 |
| FSNB2-8 | 5/16 | 8.5 | 14.0 | 12.5 | 23.5 | 4.8 | 4.1 | 2.3 |
| FSNB5.5-3.5 | #6 | 3.7 | 8.3 | 7.5 | 19.5 | 6.0 | 5.6 | 3.4 |
| FSNB5.5-4S | #8 | 4.3 | 8.3 | 7.5 | 19.5 | 6.0 | 5.6 | 3.4 |
| FSNB5.5-4L | #8 | 4.3 | 9.0 | 7.5 | 19.5 | 6.0 | 5.6 | 3.4 |
| FSNB5.5-5 | #10 | 5.3 | 9.0 | 7.5 | 19.5 | 6.0 | 5.6 | 3.4 |
| FSNB5.5-6S | 1/4 | 6.5 | 9.0 | 7.5 | 19.5 | 6.0 | 5.6 | 3.4 |
| FSNB5.5-6L | 1/4 | 6.5 | 12.0 | 12.0 | 25.5 | 6.0 | 5.6 | 3.4 |
| FSNB5.5-8 | 5/16 | 8.5 | 14.0 | 11.5 | 24.5 | 6.0 | 5.6 | 3.4 |
Selection Guide
Choose the conductor-size group and match d2 to the intended bolt. Compare B, F, L, E, D and d with the available connection space.
Ordering Information
Provide the full FSNB model code and required quantity when requesting a quotation.