How to assemble an ARF RC aircraft step by step
A general ARF assembly workflow for many aircraft: dry fit, hinges, servo installation, power setup, CG, control checks and first-flight preparation.
Switch Expander SW4
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Contact RC-MODEL for current availability, technical fit, compatible accessories and a formal quote.
Switch Expander SW4
Switch Expander SW4 is a professional Accessories Duplex item from JETI model s.r.o., prepared for the RC-MODEL catalog with customer-facing information, official product imagery, structured specifications and no storefront supplier pricing.
Recommended use
This product is relevant for RC builders and pilots looking for accessories duplex, replacement parts, upgrades or setup components. Use it when planning a new model build, maintaining an existing aircraft, boat or radio system, or comparing compatible electronic and power-system parts.
What to check before ordering
Confirm the physical dimensions, weight, voltage, current rating, connector style, shaft size, cell count, propeller range and installation space against your model. RC-MODEL can help verify compatibility when you provide the model name and part number.
Key details
- Manufacturer: JETI model s.r.o.
- Product Type: Accessories Duplex
- SKU: 80001247
- EAN: 8595245900755
- MPN: J-ESW4
- Availability: In stock
The switch expander SW4 is an extension of the connection possibilities for the magnetic switch actuator with the RC Switch. JETI model produces a set of equipment, which are served by such a switch actuator / RC Switch, the Expander SW4 this switch actuator can also buy several devices are switched simultaneously and with only one switching operation ON / OFF. Since the Expander SW4 also has electrically isolated outputs, a good separation to influencing the RC system gives avoid. Technical spe
Reference SKU/model: J-ESW4. Mention this reference when contacting RC-MODEL for availability or fitment support.
Relevant RC Academy guides
Learn before you buy
These guides explain the setup, safety checks and accessory choices that usually matter for this product type.
Servo selection: torque, speed, gears and voltage
How to select servos for trainers, sport aircraft, large models, cars and boats without under-sizing a control surface.
How to balance an RC aircraft and find the correct CG
One of the most important setup guides: find the CG, install the flight battery, balance the aircraft and avoid nose-heavy or tail-heavy surprises.
Mandatory pre-flight checks for safer RC flying
A repeatable inspection routine for control direction, radio range, failsafe, battery, fasteners, propeller, CG and field readiness.
How to perform the first test flight of an RC aircraft
Ground checks, takeoff planning, trim passes, battery timing and first landing strategy for a new or repaired RC aircraft.
| Technical Specifications | |
| Manufacturer | JETI model s.r.o. |
| Product Type | Accessories Duplex |
| SKU | 80001247 |
| EAN | 8595245900755 |
| Availability | In stock |
| MPN | J-ESW4 |
Tags: JETI model s.r.o., Switch Expander SW4, Radio Systems, JETI Duplex tranmitter accessories, Accessories Duplex