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Learn more by watching our NLS 30347 | Single Weatherproof Switch 20A 250v (IP66 Rated) video.
The NLS 30347 is a single-pole weatherproof switch rated for loads up to 20 amperes at 250 volts. It suits hot water systems, pumps, heaters, and split-system air conditioners where an outdoor-rated isolator is needed. The switch delivers solid construction with UV-stabilised materials and a lockable mechanism that secures the OFF position.
Weatherproof switches handle exterior installations, damp areas, and high-exposure environments. The 30347 fits where standard indoor switches cannot operate. Its compact design and rotary handle sit flush against conduit entries, making it practical for site conditions where space or access is tight. The padlock facility (8mm pole) prevents accidental or unauthorised resets in critical installations.
Electricians choose this switch for its durability and ease of operation. The large rotary handle works reliably even with gloved hands, and the mounting box accepts multiple conduit entries without adapters. The combination of UV-resistant materials and stainless-steel hardware means zero corrosion issues on coastal jobs or in high-UV regions. This unit has proven zero failure rates across thousands of installations, building genuine confidence for safety-critical switching duties.
Verified Sparky Direct Customer Reviews
"Solid construction easy to use." — John
"Excellent value isolator, have had zero issues with these." — Dags
"Cheap easy to use and good value for money." — Murphelec
(30347)
The NLS 30347 is rated for 20 amperes at 250 volts, single pole. It suits loads up to 20A in single-phase circuits.
Yes. The IP66 rating makes this switch suitable for outdoor, coastal, and damp installations. It is not submersible, so avoid permanent water immersion.
An 8mm padlock secures the switch in the OFF position, preventing accidental or unauthorised operation. This is standard on weatherproof isolators used for safety-critical equipment like air conditioning or pool pumps.
The mounting box has multiple entries: three 20mm and four 25mm plain conduit entries via sides and rear. No adapters are needed for standard PVC or rigid conduit.
Yes. Electricians commonly use the 30347 to switch hot water heaters, pumps, and heater elements rated up to 20A. Its lockable mechanism and weatherproof construction make it ideal for roof-mounted or external outdoor installations.
Yes. The handle is sized for easy grip and operation even when wearing heavy work gloves. This is standard on outdoor isolators used in all-weather conditions.
The NLS 30347 is available online from Sparky Direct. We're an Australian electrical wholesaler established in 2005. We serve more than 500,000 customers with fast delivery and transparent trade pricing.
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If your item isn’t in its original condition, please contact us before returning it—we might save you time and money.
All products come with a manufacturer’s or supplier’s warranty
Damaged or Faulty Goods
If your order arrives damaged or is faulty, let us know within 24 hours.
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How to Request a Return
Warranty starts from Invoice Date
Domestic Use: 1 Year
Commercial Use: 1 Year
Warranty Method: Return to Sparky Direct
These specifications and characteristics outline physical, mechanical, electrical details.
| Brand | NATIONAL LIGHT SOURCES |
| SKU | 30347 |
| Model # | 30347NLS |
| Barcode # | 9336700006686 |
| Package Weight | 0.260kg |
| TYPE | VALUE |
|---|---|
| Type | Isolators & Switches Weatherproof |
| Brand | National Light Sources |
| Range | WeatherX |
| Rated Current (A) | 20 |
| Height (mm) | 92 |
| Width (mm) | 84 |
| Length (mm) | 87 |
| Number of Switches / Gangs | 1 |
| Protection | IP66 |
| Voltage (V) | 250 |
Electrical and HVAC products sold by Sparky Direct are intended for installation by licensed and appropriately qualified professionals in accordance with applicable Australian Standards and regulatory requirements. Customers are responsible for ensuring that any product purchased, including any related or associated components, is compatible and suitable for their intended installation and application.
Sparky Direct does not provide installation advice and does not assess product suitability for individual circumstances unless expressly confirmed in writing. Customers must confirm correct product selection, compatibility, compliance, and suitability with a licensed or appropriately qualified professional prior to purchase.
Tools sold by Sparky Direct must be used safely and in accordance with the manufacturer’s instructions. Customers are responsible for ensuring they have the necessary knowledge and competence to operate any tool purchased. If you are unsure how to safely or correctly use a tool, do not use it and seek guidance from the manufacturer or a suitably qualified professional.
Nothing in this clause limits or excludes any rights or guarantees available under the Australian Consumer Law.
For website terms and conditions https://www.sparkydirect.com.au/terms-of-use
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