Description
Protecting your system against power instability, the Visonic PG2 PowerMaster ioXpander-2×1 Internal Wired Expander ensures your professional hardware remains online 24/7.
With a primary focus on Professional-grade technical standards, the professional Visonic PG2 PowerMaster ioXpander-2×1 Internal Wired Expander (491833) ensures seamless integration and long-term stability in diverse security environments.
Professional Features
- Compatible with PowerMaxComplete, PowerMaster-30 G2 and PowerMaster-33 EXP G2 control panels
- Enables the addition of the following relay outputs: – 1 PGM – 2 additional hardwired zones – 1 wired siren – Speech Box interface
- 1 x Visonic PG2 PowerMaster ioXpander-2×1 Internal Wired Expander
- Mounting Kit (Screws & Wall Plugs)
- Quick Start Installation Guide
- Built-in overcurrent protection
- Stable voltage delivery
- Proper ventilation is recommended
Technical Specifications
| Brand | Security Professional |
| Product SKU | 491833 |
| Security Certification | Professional |
| Connectivity Type | Wired |
| Application | Residential / Commercial |
Note: Ensure compatibility with your professional control panel before installation. For technical advice, consult our installation guides.
Expert Analysis
The 491833 model represents the latest in Professional’s security roadmap, offering improved battery life and encrypted signal protocols.
Why buy from our professional collection EE?
As an official UK stockist, we provide 24-month warranties on all professional hardware. Our technical team is available to support your installation with expert guidance on system configuration.
Recommended Use Case
A versatile component designed to enhance the overall security and responsiveness of your professional professional system.
What’s in the Box?
- Compatible with PowerMaxComplete, PowerMaster-30 G2 and PowerMaster-33 EXP G2 control panels
- Enables the addition of the following relay outputs: – 1 PGM – 2 additional hardwired zones – 1 wired siren – Speech Box interface
- 1 x Visonic PG2 PowerMaster ioXpander-2×1 Internal Wired Expander
- Mounting Kit (Screws & Wall Plugs)
- Quick Start Installation Guide
- Built-in overcurrent protection
- Stable voltage delivery
- Proper ventilation is recommended
Aesthetic Finish: Standard
Expert Verdict
- Compatible with PowerMaxComplete, PowerMaster-30 G2 and PowerMaster-33 EXP G2 control panels
- Enables the addition of the following relay outputs: – 1 PGM – 2 additional hardwired zones – 1 wired siren – Speech Box interface
- 1 x Visonic PG2 PowerMaster ioXpander-2×1 Internal Wired Expander
- Mounting Kit (Screws & Wall Plugs)
- Quick Start Installation Guide
- Built-in overcurrent protection
- Stable voltage delivery
- Proper ventilation is recommended
- Compatible with PowerMaxComplete, PowerMaster-30 G2 and PowerMaster-33 EXP G2 control panels
- Enables the addition of the following relay outputs: – 1 PGM – 2 additional hardwired zones – 1 wired siren – Speech Box interface
- 1 x Visonic PG2 PowerMaster ioXpander-2×1 Internal Wired Expander
- Mounting Kit (Screws & Wall Plugs)
- Quick Start Installation Guide
- Built-in overcurrent protection
- Stable voltage delivery
- Proper ventilation is recommended
Explore our wider range of secure door entry systems to complete your installation.
View our full range of UK security equipment.
Technical Overview
| Brand | Visonic |
| System Type | Wireless |
| Compatibility | Visonic PowerMaster |
| Detection Type | nan |
| Location | nan |










