Compact Four-Function Wireless Control
The HZBOY F21-4S industrial radio remote control provides four independent single-speed control functions for electric hoists, trolleys, lifting platforms and compact industrial equipment. Each transmitter and receiver is paired and function-tested before shipment.
Key Advantages
- Four single-speed functions: suitable for UP/DOWN and two additional movements or auxiliary controls.
- Reliable wireless operation: approximately 100–150 m standard working distance in suitable conditions.
- IP65 protection: sealed housing resists dust and water jets for normal industrial use.
- Flexible receiver power: DC 12–24V or AC/DC 24–450V receiver versions are available.
- Matched system: transmitter and receiver are coded and tested as one set.
- Replacement support: E-card pairing simplifies replacement-transmitter setup and maintenance.
Technical Specifications
| Model | HZBOY F21-4S |
|---|---|
| Control layout | 4 single-speed function buttons plus START and STOP |
| Frequency | 433MHz standard; other options subject to confirmation |
| Operating distance | Approx. 100–150 m in suitable open conditions |
| Protection rating | IP65 |
| Receiver voltage | DC 12–24V or AC/DC 24–450V |
| Standard relay capacity | 5A |
| Warranty | 1 year |
Typical Applications
- Electric hoists and small crane trolleys
- Lifting platforms and compact lifting equipment
- Hydraulic systems and pump controls
- Workshop machinery and customized industrial equipment
Wiring Diagram and Installation Support
The final wiring depends on receiver voltage, machine control circuit and required function mapping. Send us the equipment wiring diagram, control-box photo or original receiver label before installation. HZBOY can confirm terminal assignments, interlocking logic and the correct receiver version. The model-specific wiring diagram will be added here when the final drawing is available.
How to Confirm the Correct Configuration
- Confirm the control-circuit voltage, not only the machine main-power voltage.
- List the four required functions and button labels.
- Specify which movements must be electrically interlocked.
- Provide the destination country so the frequency option can be checked.
OEM/ODM and Quality Support
HZBOY has manufactured industrial radio remote controls since 2012. We support customized button labels, control logic, receiver voltage, frequency options, logo and packaging. Every set receives pairing, button-function and receiver-output testing before shipment.
- 100% functional testing before shipment
- CE, FCC and ISO 9001 support for applicable products
- Replacement transmitters, pairing guidance and technical assistance
- OEM/ODM service for distributors, equipment manufacturers and integrators
Frequently Asked Questions
Can the four button functions be customized?
Yes. Button symbols, output assignments and interlocking logic can be configured according to the machine requirements.
How do I choose the receiver voltage?
Check the equipment control-circuit voltage or original receiver label. If uncertain, send a wiring diagram or control-box photo for confirmation.
Can I order a replacement transmitter?
Yes. Please provide the existing model, frequency, receiver label and pairing information so compatibility can be checked first.
Request a Configuration Check
Send the model, quantity, receiver voltage, four required functions, destination country and equipment type. For replacement projects, include clear photos of the existing transmitter, receiver label and wiring diagram.
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