SF39EC
TACLEX
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Product Overview
SF39EC is a highly integrated human‑machine interface switch that combines rotary position selection with tactile push‑button confirmation. Designed with a standard Ø39 mm panel cutout, it seamlessly merges a six‑position rotary switch (SP6T) with a single‑pole momentary push‑button (SPST), and features a bright white LED backlight indicator that remains clearly visible even in dimly lit environments.
Technical Parameters
| Specification | |
| Rotary switch circuit | SP6T(6-key common bus) |
| Rotary switch contact rating | 130mA@48V AC/DC max. |
| Indexing Angle | 30°(6 position) |
| Mechanical Life | 20,000 cycles min. |
| Operating Force | 1kgf-cm(Max.) |
| Tactile Switch | SPST |
| Tactile switch Contact rating | 50mA@12V DC |
| Mechanical Life | 20,000 cycles min. |
| Total Travel | 0.15mm±0.1mm |
| White LED Rating | 20mA@12V DC |
| Contact Resistance | 1 Ohm Max. (initial) |
| Insulation Resistance | 100M Ohm Min. |
| Operating Temperature | -10℃-+60℃ |
| Materials | |
| Cap | Polycarbonate (PC) |
| Base | Polyamide(PA) |
| Housing | Silver: Polyamide(PA) Black: Polycarbonate (PC) |
| Nuts | Polyamide(PA) |
| Rubber O-ring | Rubber |
| SUS Washer | SUS |
Key Features
1. Dual‑Mode Integration – Rotary Selection + Tactile Confirmation:
Combines rotary position selection with push‑button confirmation in a single unit, reducing the number of panel cutouts and simplifying equipment design complexity.
2. Ready to Use – Connector Terminal Design:
Features connector terminals for solderless assembly, significantly shortening production line assembly time.
3. Visual Feedback – Built‑in White LED Illumination:
Integrated white LED backlight provides clear status indication at a glance, ideal for low‑light working environments.
4. Customisation Services – Panel Engraving & Icon Tailoring:
Supports custom panel engraving and icon design to meet brand differentiation and functional labelling requirements.
Applications
Commercial Equipment
Ice cream machines: rotary selection for flavor/consistency levels, push‑button to start the dispensing process
Foodservice equipment: multi‑stage power/speed control for ovens, mixers, and similar appliances
HVAC systems: fan speed step switching and function confirmation
Broadcast, AV & Security
Channel selection on broadcast mixing consoles and production switchers
Pan‑tilt control and menu confirmation for surveillance camera systems
Arm/disarm mode switching for security alarm control panels
Smart Home
Scene mode selection on home automation central control panels
Brightness level adjustment for smart lighting systems