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Persius, Adjustable, ground recessed, 35w ( METAL HALIDE ) 316 Stainless steel, IP67, 36 degree beam, 20 degree tilt.

Recessed adjustable up lights combine a cool top lens, long lamp life and energy efficiency for up lighting trees from lawns or paving. Persius provides a powerful 36 degree up lighting beam, using a single-ended metal halide lamp, while maintaining a typical top lens temperature of under 70 degrees C - so Persius can be used even in walkover areas to uplight trees with an open canopy and branch structure from directly below. The lamp and reflector assembly is mounted on an adjustable cradle so the beam can be tilted up to 20 degrees from vertical to achieve the desired effect. The dark grey non-reflective interior means less light refraction through the lens to give away its position in the landscape. Persius has an upper compartment with a separate top lens insulated by an inner second lens from heat generated in the lower compartment which houses the lamp and control gear. Persius has a 316 stainless steel lens rim, a cast aluminium body and a polymer sleeve for recessing into the ground. A sandblasted brass top ring is available for discrete installation in paving, especially in heritage projects where stainless steel may look too modern.: green and black tops are also available. An 8mm thick black honeycomb glare louvre (E9500L) is also available as an accessory: this fits inside the top compartment over the lower lens to limit visibility of the light source in traffic or pedestrian areas. To facilitate removal of screws for future re lamping or other maintenance, apply copper grease to the threads of all screws being fitted for retention of bezels, grills or other top plates or retaining rings. Copper grease resists degradation due to heat and protects against difficulty in removing screws, particularly where stainless steel screws are fitted with aluminium parts. It may also be used on screw threads of screw-off bezels or glare shields. Ensure surplus is cleaned off with a solvent to prevent staining in use.

Installation advice

This direct burial in the ground fitting is prewired with rubber cable and 20mm IP68 gland for connection to mains supply via a separate underground joint kit (order T9969 separately). You will need to provide 300mm depth of shingle drainage below the uplight: do not use in waterlogged ground.

All recessed luminaires must have adequate drainage beneath each fitting to allow water to disperse, especially in clay based soil beds. All cable joint must be 100% watertight and there a number or waterproof transformer boxes and heat shrink cable joint kits on our web site to choose from. We would advise that all connections and transformer be kept above ground where possible as the weakest link in any exterior garden electrical installation is joining cables together.

If you feel that adequate drainage may be an issue then we would advise using a surface mounted spike light and keep all joints above ground. The Apollo range of light fittings has a choice of beam angles and glare shield options and can be found at the bottom of the surface ground lights section.

Please ensure that your electrician is NIC EIC certified and has done exterior lighting installations before.

316 grade stainless steel top

IP rating

Cast aluminium body with borosilicate glass lenses, stainless steel top ring and plastic soil sleeve

Input voltage
240 volts

Lamp type
35w single-ended ceramic type CDMT35 3000K metal halide lamp is recommended for purple/red/yellow/green foliage trees and combines long lamp life and colour stability. HQIT35K4 4000 degree K lamp gives cooler lighting effect suitable for trees with blue/grey foliage such as some pines & cedars. Order lamps separately.

Lamp Kelvin colour range

E9500L 8mm thick black honeycomb glare louvre

Item Specifications

colour: stainless steel
IP rating: IP 67