Schneider ST9433B – Detailed Description
1. General Overview
The Schneider ST9433B is a high-quality trailing lead (also known as a power extension socket) designed for safe and convenient power distribution in residential, office, or light industrial environments. It is part of the Unica Extend series by Schneider Electric, known for blending reliable performance with elegant modern design.
This particular model includes 3 Schuko sockets, a 3-meter cable, a central On/Off switch, and an anthracite (dark grey) color finish that fits well into contemporary setups.
2. Key Features
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Model: ST9433B
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Brand: Schneider Electric
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Range: Unica Extend
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Number of Sockets: 3 × Schuko (Type F, 2P+E, grounded)
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Switch: Yes – Central On/Off switch
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Indicator Light: Yes – Power indicator shows when sockets are active
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Cable Length: 3 meters
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Color: Anthracite (dark grey)
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Rated Voltage: 250V AC
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Rated Current: 16A max
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Material: Flame-retardant, halogen-free polypropylene (PP)
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Certifications: Green Premium product, mercury-free, SVHC-free
3. Functionality and Operation
3.1 Sockets
This unit offers three grounded Schuko outlets, suitable for European-style plugs. Each socket is equipped with shutter protection, making it safer for households with children by preventing direct contact with internal electrical parts.
3.2 Central Switch
A single On/Off switch is used to control power to all three sockets at once. This is particularly useful for saving energy and ensuring that devices are completely turned off when not in use. The built-in indicator light turns on when the power is active, offering clear visual feedback.
3.3 Cable
The 3-meter cable gives flexibility for placement, allowing you to power devices that are far from the wall socket without needing another extension cord. The cable is insulated for durability, fire resistance, and long-term use.
4. Build Quality and Materials
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Casing Material: Made from strong polypropylene, the body is flame-retardant and impact-resistant. It’s also halogen-free, which means in the event of a fire, it releases fewer toxic gases.
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Plug and Cable: The plug is molded and compatible with European outlets. The cable is thick, flexible, and designed to withstand everyday handling.
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Finish: The anthracite color gives it a professional and modern appearance. It doesn’t show dust or fingerprints easily, making it ideal for use in living rooms, offices, or near entertainment setups.
5. Dimensions and Design
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Length (main unit): Approximately 205 mm
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Width: About 57 mm
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Height/Depth: Roughly 40 mm
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Weight: Around 0.5 kg
The unit has a compact rectangular design with rounded edges. It is stable when placed flat and can fit easily under desks, behind furniture, or on countertops without being bulky.
6. Use Cases
Home Office
Ideal for powering laptops, printers, lamps, or monitors. One switch controls all devices.
Entertainment Setup
Connect a TV, gaming console, and speakers while managing power from one button.
Kitchen
Use for small appliances like a toaster, coffee machine, or air fryer.
Workshops or Studios
Suitable for chargers, soldering tools, or LED task lighting, especially where longer reach is needed.
7. Safety Standards
The ST9433B follows Schneider Electric’s global safety standards. It includes:
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Child-safety shutters on each socket
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Green Premium compliance (environmentally safe materials)
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Halogen-free housing for reduced toxic emissions in fire scenarios
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Max Load of 16A to protect against overcurrent when used properly
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Mercury and SVHC free, meeting EU environmental and health guidelines
These make the unit both safe to use and safe for the environment.
8. Environmental Considerations
As part of Schneider’s Green Premium program, this product meets high sustainability and health standards:
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No hazardous materials such as mercury or SVHCs
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Recyclable materials used in construction
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Durable design reduces need for frequent replacement
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Energy-saving control with the built-in switch
It’s designed for long service life with minimal impact on the environment.
9. Comparison with Similar Products
Compared to other trailing leads in the same Unica Extend range:
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ST9433W: Same spec, but white in color
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ST9431B: Only 1.5-meter cable, shorter than ST9433B
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ST9453B: Might have more outlets (e.g., 5 sockets) but larger in size
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ST9433B offers the perfect middle ground — long cable, modern dark finish, and compact size with full functionality.
10. Summary of Benefits
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3 grounded Schuko outlets with child protection
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Central switch for total control
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Power indicator light shows when active
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3-meter cable offers flexible placement
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Strong, heat-resistant build with modern look
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Backed by Schneider Electric’s quality and safety standards
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Eco-friendly and halogen-free materials
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