HMK axial-screw power modules connect 2.5-10mm² conductors through terminals operated with an SW2 hexagonal driver. Select two or three contacts according to the required circuit count and voltage rating.
Module selection
| Contact arrangement | Male module | Female module | Rated voltage |
|---|
| 2 contacts | SO-HMK-002-M | SO-HMK-002-F | 1000V |
| 3 contacts | SO-HMK-003-M | SO-HMK-003-F | 690V |
Electrical and material specifications
| Property | Specification |
|---|
| Rated current | 40A |
|---|
| Rated impulse voltage | 8kV |
|---|
| Pollution degree | 3 |
|---|
| Rated voltage according to UL | 600V |
|---|
| Insulation resistance | ≥1010Ω |
|---|
| Module material and colour | Polycarbonate, RAL 7032 light grey |
|---|
| Temperature range | -40°C to +125°C |
|---|
| Flammability according to UL 94 | V0 |
|---|
| Mechanical life | ≥500 mating cycles |
|---|
| Contact material and surface | Copper alloy, hard-silver plated |
|---|
| Contact resistance | ≤1mΩ |
|---|
| Termination | Axial screw |
|---|
| Wire range | 2.5-10mm², 14-8AWG |
|---|
| Hexagonal driver | SW2 × 40 |
|---|
Wire preparation and tightening torque
| Conductor cross-section | Stripping length | Tightening torque |
|---|
| 2.5mm² | 5mm, +1mm allowance | 1.5N·m |
| 4mm² | 5mm, +1mm allowance | 1.5N·m |
| 6mm² | 8mm, +1mm allowance | 2N·m |
| 10mm² | 11mm, +1mm allowance | 2N·m |
The stripping allowances are positive only. Match the individual outline drawing to the module gender and contact count when checking contact numbering and terminal access.
