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Learn more by watching our NLS 30541 | Isolating Mains Switch 1 Pole 100A 240V/415V video.
The NLS 30541 is a single pole isolating mains switch rated 100A, suitable for 240V and 415V systems. The 30541 gives a manually operated isolation point that disconnects the supply feeding a switchboard, sub-board, or enclosure. It is supplied as a switching device only and carries a one-year warranty for domestic and commercial use.
Isolation is the first step on any switchboard before maintenance begins. Undersized switchgear becomes a problem the moment an installation exceeds its original design load. Older boards fitted with lower rated isolating devices force a switchgear upgrade as soon as additional subcircuits, larger cooking appliances, or solar generation are introduced. The 30541 carries a 100A current rating that covers the service size on most domestic and light commercial installations. Its 240V and 415V compatibility means the same switch suits single phase and three phase boards.
Licensed electricians stock this switch because it consolidates the isolation line item across residential and light commercial switchboard work. The compact body lands in standard switchboards and enclosures without eating room needed for breakers and busbar, so a full board build stays tidy. At this price point the 30541 is an easy inclusion on a switchboard upgrade quote. Single pole 100A covers the isolation duty on the bulk of residential work without stepping up to heavier three phase gear. Buying several at a time keeps the van stocked for callbacks and unplanned board work.
The 30541 is a switching device and does not provide overcurrent protection or earth leakage protection, so it must not be used in place of a circuit breaker, RCD, or RCBO. No IP rating is published for this switch, so it is not suitable for exposed outdoor mounting and belongs inside a switchboard or enclosure. Installation is switchboard work for a licensed electrician, not a task for an occupier.
(30541)
The NLS 30541 is rated at 100A and works on both 240V and 415V systems. It is a single pole switch, so it switches one active conductor. This covers main switch duty on most residential and light commercial installations where the incoming service sits at or under 100A.
Switchboard work must be carried out by a licensed electrician. The 30541 mounts inside a switchboard or enclosure and connects to live supply conductors. Warranty is void if the product is not installed by a licensed electrician.
No overcurrent or earth leakage protection is built into the 30541. It is an isolating switch only, so it makes and breaks the supply without tripping on fault. Circuit breakers, RCDs, or RCBOs are still required on the board to protect the individual circuits.
The 30541 is rated for 415V systems, but it is a single pole switch, so it isolates one active conductor only. Three phase installations that need all three actives switched together use a three pole main switch such as the NLS 30542, rated 100A at 415V.
Warranty runs for one year in domestic use and one year in commercial use, starting from the invoice date. Claims are handled as a return to Sparky Direct with proof of purchase. Warranty does not apply if the switch was not installed by a licensed electrician.
No IP rating is published for the 30541, so it should not be mounted where it is exposed to weather. It is designed to sit inside a switchboard or enclosure. For outdoor work, the switch needs to be housed in a suitably rated weatherproof enclosure.
The NLS 30541 is available online from Sparky Direct, with Australia-wide delivery to any state or territory including regional areas. Sparky Direct is an Australian electrical wholesaler established in 2005, supplying more than 500,000 customers with transparent trade pricing.
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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 | 30541 |
| Model # | 30541NLS |
| Barcode # | 9336700011475 |
| Package Weight | 0.088kg |
| TYPE | VALUE |
|---|---|
| Type | Mains Switch |
| Brand | National Light Sources |
| Voltage (V) | 240/415 |
| Current Rating | 100A |
| Poles | 1 |
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.
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