Introducing NHP’s new NLINE DC isolating switch

The new N-LINE enclosed DC isolating switch has been designed, engineered and developed for 1~20kW residential and commercial rooftop solar applications. This DC isolating switch provides a safe means of isolating your PV array during installation or maintenance while keeping you and your solar system from harms way.

For all installations up to 1500V DC, the switch is fully compliant to AS 60947.3 and AS/NZS IEC 60947.1. In addition, the polycarbonate enclosure consists of an injected TPE gasket for IP66NW protection - ensuring best protection against damaging dust and moisture ingress.

Features and benefits

Fully compliant with AS 60947.3:2018

Suitable to be used throughout Australia

Superior temperature performance

Conforming to AS 5033:2018. Long lasting service life and reliable switching.

Robust IP66NW (No water) polycarbonate enclosure

Ensured protection against damaging moisture ingress and UV exposure.

Arcing time <3ms

Utmost safety and protection ensuring seamless isolation.

Stocked accessories

A range of accessories to suit installation


The NLINE suite of products offer top notch safety and reliance

Products and accessories

Industrial Control
Enclosed DC Isolating Switch
Industrial Control
Wall mount brackets Stainless Steel
Industrial Control
Reducer threader M25 to M12
Industrial Control
Bridging link to suit DC Isolating switch
Industrial Control
Spare accessory kit

32A DC isolating switch

Additional features

Back side of the DC switch consists of 2 x M25 knocks for rear cable entries and provision for brackets for external mounting.

To achieve the highest weatherproof rating for DC isolators in outdoor applications, the polycarbonate enclosure consists of an injected TPE gasket. This ensures IP66NW (No water) rating.

Resources and downloads

Product brochures

For further information on Enclosed DC Isolating Switch products, please download the link below or contact your local NHP representative on 1300 NHP NHP.

Download full product brochure
Enclosed DC Isolating Switch

Technical Downloads

Installation Manual

Installation Manual

Technical data sheet

Technical data sheet

Certificate of Compliance

Certificate of Compliance

Technical note

Technical note

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