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Learn more by watching our NHP NLINE NL120L | Weatherproof Isolator 2 Pole 20 amp M120 250v | Large video.
The NHP NLINE NL120L is a two-pole weatherproof isolating switch rated 20A at 250V AC, housed in a large IP66 polycarbonate enclosure. The NL120L uses a 2-pole switch mechanism for single-phase circuits and carries an M120 mounting and entry configuration with two 25-20 mm reducers included. It is moulded in RAL 7035 UV-resistant polycarbonate with stainless steel cover screws fitted as standard.
Outdoor air conditioning condensers, heat pumps, and pool plant need a local isolation point that survives sun, rain, and salt air. Older single-pole isolators break the active only and leave the neutral connected, so many sparkies now specify a two-pole switch for full isolation during service. The NL120L drops straight into that upgrade with an IP66 sealed enclosure and a large padlockable handle for lockout during maintenance.
For air conditioning installers, the NL120L is a repeat go-to: one weatherproof isolator that suits most single-phase domestic condensers and outdoor units. The large handle throws cleanly with gloves on, and stainless steel cover screws resist corrosion on coastal and exposed installs. The large enclosure gives room for the incoming and switched flex, so termination stays tidy and fast on the wall.
The NL120L is a surface-mount weatherproof isolator, not a flush indoor mechanism for standard wall boxes. It provides switching and isolation only, so it does not replace circuit protection from the switchboard breaker or RCD. This two-pole model is built for single-phase circuits, not three-phase applications.
Verified Sparky Direct customer reviews: NHP NLINE NL120L Weatherproof Isolator 2 Pole 20 amp M120 250v Large (NL120L)
"Great weatherproof product easy to replace old existing single pole air conditioner isolator." — Richard
"My favourite 2P 20AMP Isolator." — Electrostatics
"sparky was happy with this product" — Peter
(NL120L)
The NHP NL120L carries an IP66 rating, sealing the switch mechanism against dust and heavy water jets for outdoor use. NHP publishes a Supplier Declaration of Conformity covering the N-Line isolator range. A licensed electrician should install and terminate to AS/NZS 3000.
Installation must be carried out by a licensed electrician. The enclosure surface-mounts to a wall or bracket, with generic mounting points and two 25-20 mm reducers supplied for the conduit entries. The manufacturer warranty is void if a licensed electrician does not install it.
A two-pole switch isolates both the active and neutral conductors, fully de-energising the circuit for safe servicing. A single-pole switch breaks the active only and leaves the neutral connected. The NL120L two-pole design is the standard choice at air conditioning and outdoor equipment.
The NHP NL120L is commonly fitted as the local isolator for air conditioning condensers, heat pumps, and outdoor units. The 20A 250V two-pole rating suits most single-phase domestic and light commercial units. Check the unit's rated current against 20A before install.
The enclosure is moulded in RAL 7035 UV-resistant polycarbonate, so it resists sunlight and weathering on exposed walls. Stainless steel cover screws are fitted as standard to resist corrosion in coastal and wet locations. The IP66 seal keeps dust and driven rain out.
The isolator carries a one-year warranty for both domestic and commercial use, starting from the invoice date and handled as a return to Sparky Direct. The warranty applies only when a licensed electrician installs the product. Keep proof of purchase for any claim.
The NL120L handle is padlockable in the off position, giving a lockout point for maintenance on downstream equipment. The large handle throws easily by hand or with gloves. Two 25-20 mm entry reducers are supplied; a lockout padlock is not included.
The isolator provides local switching and isolation only, not circuit protection. It does not guard against overcurrent or earth leakage, so protection must still come from the switchboard breaker or RCD. This two-pole model suits single-phase circuits, not three-phase applications.
The NHP NL120L 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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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 | NHP |
| SKU | NL120L |
| Barcode # | 9321807212337 |
| Package Weight | 0.560kg |
| TYPE | VALUE |
|---|---|
| Type | Isolators & Switches Weatherproof |
| Brand | NHP |
| Range | N-Line |
| Colour | Grey |
| Rated Current (A) | 20 |
| Height (mm) | 165 |
| Width (mm) | 95 |
| Depth (mm) | 91 |
| Protection | IP66 |
| Mounting | Surface Mount |
| Material | Poly Carbonate |
| Number of Poles | 2 |
| Voltage | 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.
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