1. Product Overview
The FZ31-9 is a 5-pin rotary switch designed for manual operation in various electrical applications. It features a 5-gear selection mechanism and is rated for 3 Amperes at 125 Volts AC. This switch is intended for panel mounting and utilizes a 5x1-way circuit configuration, compatible with X-10 protocol systems. Its IP00 rating indicates it is not protected against dust or water ingress, requiring installation in appropriate enclosures.

Figure 1: FZ31-9 5-Pin Rotary Switch. This image displays the FZ31-9 5-Pin Rotary Switch, highlighting its five electrical terminals and the central rotary mechanism. The switch body is black, with markings indicating electrical ratings and pin assignments.
2. Safety Information
- Electrical Hazard: Always disconnect power before installing, servicing, or removing the switch to prevent electric shock.
- Qualified Personnel: Installation and wiring should only be performed by qualified electricians or technicians familiar with electrical systems and local codes.
- Voltage and Current Ratings: Do not exceed the specified ratings of 3 Amperes and 125 Volts AC. Overloading can cause damage to the switch and connected equipment, and may pose a fire hazard.
- IP00 Rating: This switch has an IP00 rating, meaning it offers no protection against solid objects (like dust) or liquids (like water). Install the switch in an appropriate enclosure that provides the necessary environmental protection for your application.
- Proper Wiring: Ensure all connections are secure and correctly wired according to the circuit diagram. Loose connections can lead to overheating or intermittent operation.
3. Product Features
- 5-Pin Configuration: Designed for versatile electrical connections.
- 5-Gear Manual Operation: Provides distinct rotational positions for selection.
- Panel Mount Design: Facilitates easy integration into control panels.
- 3 Ampere, 125 VAC Rating: Suitable for low-power AC circuits.
- Copper Material Terminals: Ensures good electrical conductivity and durability.
- X-10 Protocol Compatibility: Can be integrated into X-10 based control systems.
4. Installation and Setup
- Prepare Mounting Location: Select a suitable panel location. Ensure sufficient space behind the panel for wiring and clearance. Drill a mounting hole of the appropriate diameter for the switch body.
- Mount the Switch: Insert the switch body into the prepared panel hole. Secure it using the provided mounting hardware (if any) or by tightening the retaining nut from the front of the panel. Ensure the switch is firmly seated and does not rotate freely.
- Wiring Connections:
- Identify the five pins on the switch. Refer to your specific circuit diagram for the correct pin assignments for your application.
- Connect the appropriate wires to each of the five terminals. Ensure connections are secure, either by soldering or using suitable crimp connectors.
- Verify that the wiring adheres to the 5x1-way circuit configuration and any X-10 protocol requirements for your system.
- Double-check all connections for polarity and correct routing before applying power.
- Enclosure: As the switch has an IP00 rating, ensure it is installed within an enclosure that provides adequate protection against dust, moisture, and accidental contact, as required by the operating environment.
- Initial Test: After installation and wiring, apply power and test the switch's functionality through all five gear positions to ensure proper operation.
5. Operating Instructions
The FZ31-9 rotary switch provides 5 distinct gear positions for manual selection. To operate the switch:
- Rotation: Gently turn the knob or shaft of the switch clockwise or counter-clockwise to move between the different gear positions.
- Position Engagement: Each gear position will have a tactile or audible click, indicating that the switch has securely engaged that specific circuit configuration.
- Functionality: The function associated with each position is determined by your specific wiring and application. Refer to your system's circuit diagram to understand the effect of selecting each gear.
- Avoid Force: Do not apply excessive force when rotating the switch. Smooth, deliberate turns are sufficient to engage each position.
6. Maintenance
The FZ31-9 rotary switch is designed for reliable operation with minimal maintenance.
- Regular Inspection: Periodically inspect the switch for any signs of physical damage, loose connections, or discoloration (which could indicate overheating).
- Cleaning: If the switch is installed in an environment where dust or debris might accumulate, ensure the external surfaces are kept clean. Use a dry, soft cloth for cleaning. Do not use liquid cleaners directly on the switch.
- Connection Integrity: Ensure that all wired connections remain tight and free from corrosion. Loose connections can lead to intermittent operation or arcing.
- Environmental Protection: Regularly check the integrity of the enclosure protecting the switch, especially given its IP00 rating.
7. Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Switch does not operate or has no effect. | No power to the circuit; incorrect wiring; loose connections; faulty switch. | Check power supply; verify wiring against circuit diagram; tighten all connections; test switch continuity with a multimeter (if safe to do so). |
| Intermittent operation. | Loose connections; internal switch wear; corrosion on terminals. | Inspect and tighten all wiring connections; clean terminals if corrosion is present; if issue persists, consider replacing the switch. |
| Switch feels stiff or difficult to turn. | Debris ingress; internal mechanism issue. | Ensure the switch is clean externally. If the issue is internal, the switch may need replacement. Do not force rotation. |
Note: For complex electrical issues or if you are unsure, consult a qualified electrician.
8. Specifications
| Model Number | LFGFGHGWL |
| Product Name | FZ31-9 5-Pin Rotary Switch |
| Brand | Generic |
| Electrical Rating | 3 Amperes, 125 Volts AC |
| Number of Pins | 5 |
| Operation Type | 5-Gear Manual Rotary |
| Mounting Type | Panel Mount |
| Circuit Configuration | 5x1-Way |
| Ingress Protection (IP) Rating | IP00 (No protection against dust or water) |
| Material | Copper (Terminals) |
| Item Weight | 1.76 ounces |
| Package Dimensions | 0.39 x 0.39 x 0.39 inches |
9. Warranty and Support
Specific warranty information for the FZ31-9 5-Pin Rotary Switch is not provided in the product details. For details regarding warranty coverage, returns, or technical support, please contact the seller or manufacturer directly.
When contacting support, please have your product model number (LFGFGHGWL) and purchase information readily available.