| Part Number: | ULO | - | MJ498A | - | 2 | W | 6 |
|---|---|---|---|---|---|---|---|
| Explanation: |
Brand ULO - ULO |
Model MJ498A - Metal circular connector |
Contacts 2 - 2 contacts |
Colour W - White |
Plating 6 - Tin |
ULO-MJ498A is a metal circular connector with a cable clamp and a threaded panel fitting retained by a hexagonal nut. The available inserts contain two to nine contacts. Select the exact contact layout and insulator colour before specifying the assembly.
| Characteristic | Value |
|---|---|
| Contact count | 2, 3, 4, 5, 6, 7, 8 or 9 |
| Maximum current rating | 5A |
| Contact resistance | ≤100mΩ |
| Insulation resistance | 1000MΩ |
| Dielectric withstand test | 500VAC for 1 minute |
| Insulator material | Thermoplastic, material group I |
| Material flammability | UL94V-0 |
| Contact material and finish | Copper alloy, tin plated |
The 500VAC value specifies a dielectric test. Working voltage, operating temperature, ingress-protection rating, wire size and nominal thread size are unspecified.
Three fields follow MJ498A: contact count, insulator colour and contact plating.
| Field | Code | Option |
|---|---|---|
| Contact count | 2 / 3 / 4 / 5 / 6 / 7 / 8 / 9 | Corresponding number of contacts |
| Insulator colour | W / B | White / black |
| Contact plating | 6 | Tin |

The mechanical drawing shows the assembled connector and numbered contact faces for every available population. The 4.5mm reference applies to the illustrated tail spacing; it does not define a common contact pitch for all inserts. The four-contact face identifies a Ø1.5mm contact reference.
| Drawing reference | Dimension |
|---|---|
| Assembly length | 43.6mm reference |
| Rear clamp-section width | 11.1mm |
| Intermediate body width | 10mm |
| Hexagonal retaining-nut span | 14.8mm |
| Illustrated tail-spacing reference | 4.5mm |
| Four-contact face contact reference | Ø1.5mm |
Contact faces and numbering differ with population. Use the matching diagram for terminal identification; no cross-model mating compatibility or electrical pin assignment is specified.
