Nylon Fully Insulated Male and Female Disconnects — FDFNY / MDFNY Series
Nylon fully insulated male and female disconnects ensure safe, fully covered crimp connections for 6.35 mm tabs.
Available in 22–10 AWG (0.5–6 mm²), rated 10 A / 105 °C / 600 V.
The translucent nylon housing offers high heat resistance and excellent insulation for compact electrical assemblies.
Overview of Nylon Fully Insulated Male and Female Disconnects
The FDFNY / MDFNY Series nylon fully insulated male and female disconnects provide safe, quick-connect terminals with a complete nylon insulation shell.
The FDFNY type is the fully insulated female connector, while MDFNY represents the matching male connector.
Each terminal mates securely on a 6.35 mm tab and maintains a rated voltage of 600 V and current of 10 A.
- Rated: 600 V / 105 °C; current 10 A for all sections.
- Compatible with 22–10 AWG wires (0.5–6 mm²) for general control and power applications.
- Full nylon body prevents short-circuits and accidental contact.
- Available colors: red (22–16 AWG), blue (16–14 AWG), yellow (12–10 AWG).
Specifications — FDFNY / MDFNY Nylon Fully Insulated Disconnects
| Type | Model | Connecting Spec | W | F | L | B | DØ | CØ | T | Cable Size | Color | Current |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 0.5–1.5 mm² (22–16 AWG) | ||||||||||||
| Female | FDFNY1.25-250 | 0.8 × 6.35 | 6.6 | 7.3 | 22.0 | 12.0 | 4.0 | 1.7 | 0.45 | 22–16 AWG | Red | 10 A |
| Male | MDFNY1.25-250 | 0.8 × 6.35 | 6.35 | 7.7 | 23.0 | 11.0 | 4.0 | 1.7 | 0.8 | 22–16 AWG | Red | 10 A |
| 1.5–2.5 mm² (16–14 AWG) | ||||||||||||
| Female | FDFNY2-250 | 0.8 × 6.35 | 6.6 | 7.3 | 23.0 | 12.0 | 4.5 | 2.3 | 0.45 | 16–14 AWG | Blue | 10 A |
| Male | MDFNY2-250 | 0.8 × 6.35 | 6.35 | 7.7 | 24.0 | 11.0 | 4.5 | 2.3 | 0.8 | 16–14 AWG | Blue | 10 A |
| 4–6 mm² (12–10 AWG) | ||||||||||||
| Female | FDFNY5.5-250 | 0.8 × 6.35 | 6.6 | 7.3 | 23.0 | 12.0 | 5.0 | 3.4 | 0.45 | 12–10 AWG | Yellow | 10 A |
| Male | MDFNY5.5-250 | 0.8 × 6.35 | 6.35 | 7.7 | 24.0 | 11.0 | 5.0 | 3.4 | 0.8 | 12–10 AWG | Yellow | 10 A |
Applications of Nylon Fully Insulated Disconnects
- Automotive and industrial wiring systems requiring high insulation and vibration resistance.
- Control panels, HVAC equipment, and household appliances.
- Renewable energy systems using compact nylon fully insulated male and female disconnects for modular wiring.
Get a Quote for FDFNY / MDFNY Nylon Fully Insulated Disconnects
Contact Willele for high-temperature, safety-rated nylon fully insulated disconnects in red, blue, and yellow coding. Custom packaging and OEM labeling available.
