Series
HD Series — Cam Switches (12 A / 16 A / 20 A)
Low-current rotary cam switches · 12 A / 16 A / 20 A frames · AC1 7.5–12.5 kW · IP40
Tecnomatic HD cam switches for control-circuit switching, voltmeter / ammeter selection, and motor-starting in panels up to 20 A. AC1 rated 7.5 kW (HD 12) / 10 kW (HD 16) / 12.5 kW (HD 20) at 3 × 380 V. AG/NI welded contacts, polycarbonate insulation, release angles 30° / 45° / 60° / 90°. Mechanical life 1.5 × 10⁶ operations. Configurations cover 1–4 pole switches, 1–4 pole change-overs (connected or separate entry), 3-pole reversing, pole commutator + commutator-reversing, star-delta, and voltmeter / ammeter selection.
Key Features
- ▸AG/NI welded contacts
- ▸Polycarbonate touch-safe terminals
- ▸Release angles 30° / 45° / 60° / 90°
- ▸Mechanical life 1.5 × 10⁶ operations
- ▸Operating temperature −20 to +60 °C
- ▸IP40 enclosure rating, Ui 660 V
- ▸Padlockable OFF position (up to 4 padlocks)
Stocked Models
HD Series — 13 models
| Box SKU | Frame | Configuration | Mount |
|---|---|---|---|
| HD1211R812 | HD 12 A | Pole commutator reversing | R (flush) |
| HD1216F111 | HD 12 A | Voltmeter (phase-phase) | F (panel/flush) |
| HD1243 | HD 12 A | 3-pole change-over (separate entry) | — |
| HD12X141R922 | HD 12 A | Custom configuration | R (flush) |
| HD12X176/RA621 | HD 12 A | Custom configuration | R (flush) |
| HD1603-F111 | HD 16 A | 3-pole ON/OFF switch | F (panel/flush) |
| HD1604-F111 | HD 16 A | 4-pole ON/OFF switch | F (panel/flush) |
| HD1604-F341 | HD 16 A | 4-pole ON/OFF switch | F (panel/flush) |
| HD1608-F111 | HD 16 A | 3-pole reversing switch | F (panel/flush) |
| HD1609/RA621DF | HD 16 A | Pole commutator | R (flush) |
| HD1609R6A21 | HD 16 A | Pole commutator | R (flush) |
| HD1646R811 | HD 16 A | Single-phase motor reversing | R (flush) |
| HD16X456R812 | HD 16 A | Custom configuration | R (flush) |
HD 20 A frame also documented in the catalog — contact for current availability. SKU suffix codes (mount / plate / handle / finishing) follow the Tecnomatic catalog p 15 configuration grid.
With Mechanical Interlock
HD Series — T-mount variants — 1 model
| Box SKU | Frame | Configuration | Mount |
|---|---|---|---|
| HD1603T341 | HD 16 A | 3-pole switch with mechanical interlock | T (flush w/ interlock) |
T-mount (T-prefix) = flush mounting with embedded T341 mechanical interlock — for forward/reverse motor starter and source-transfer applications.
Use Cases
Typical Applications
Control-panel main switch
DIN 57113 / VDE 0113 main-switch applications with padlockable OFF.
Voltmeter / ammeter selection
Phase-phase / phase-neutral selection on instrument panels.
Single-phase motor reversing
Reversing cam switch for fractional-HP single-phase motors.
Pole commutation
Pole-changing or star-delta starting on small 3-phase motors.
Get a Quote
Request a Quote — HD Series
Contact us for pricing, lead times, and application engineering. Full certification documentation provided with every order.