Cleanroom Equipment Spare Parts

Cleanroom LED Driver

A sealed constant-current power module that converts mains supply into a controlled DC output for a compatible cleanroom LED luminaire.

Sealed Potted Aluminum Enclosure
Dedicated Constant-Current Output
Gland-Sealed Input and Output Leads
Protected Current-Adjustment Access

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Product Introduction

This cleanroom LED driver is a replaceable power-conversion module for compatible sealed ceiling and task luminaires. Its switching electronics are encapsulated inside one low-profile extruded aluminum housing, with separate mains-input and LED-output leads passing through compression glands at opposite ends. Four mounting ears hold the enclosure against a heat-dissipating surface, while one gasketed top access cap protects the selected output-current adjustment. The spare part contains no LED board, diffuser, lamp tube or room-control electronics; input range, output-current window, load voltage, dimming method and mounting pattern are matched to the existing luminaire before replacement.

Key Features

The constant-current architecture regulates the connected LED load within its specified voltage window instead of applying an uncontrolled fixed-voltage supply.

A potted aluminum enclosure protects the internal switching assembly and provides a defined thermal path to the luminaire mounting surface.

Separate gland-sealed input and output leads maintain clear mains-to-load routing without exposed screw terminals on the outer housing.

Four one-hole mounting ears provide stable mechanical retention, and the single sealed adjustment access keeps routine current setting localized to one service point.

Customer Product Concerns

A driver can fit the available space yet remain electrically unsuitable; reliable replacement depends on matching its input, current regulation, voltage window, dimming interface and thermal mounting conditions.

An excessive output-current setting can overdrive the installed LED board, while an undersized setting reduces the intended light output.The replacement is selected and adjusted to the LED module's rated operating current before the luminaire is returned to service.

A driver whose output-voltage window does not cover the LED string may flicker, cycle or fail to regulate after startup.The LED string's forward-voltage range is checked against the driver's constant-current operating window under the expected load.

A visually similar control-gear module may use a different dimming protocol or conductor arrangement from the installed lighting controls.Input, output and optional dimming functions are matched conductor by conductor to the original wiring schedule and control method.

Encapsulated electronics can still run too hot if the replacement is left suspended or mounted on an insulating surface.All four ears are secured to the intended heat-dissipating mounting plane with the specified clearance and cable bend radius maintained.

Typical Applications

Replacement power module for flush cleanroom LED ceiling panelsConstant-current supply for pharmaceutical-area luminairesDriver maintenance in laboratory and hospital clean zonesSealed industrial LED fixture refurbishment

Technical Parameters

The following conservative ranges describe compact potted constant-current drivers used as replaceable control gear in sealed LED luminaires; final electrical ratings are selected for the connected LED module.

Core Material	Potted constant-current switching electronics in a neutral-silver extruded aluminum enclosure with flame-retardant polymer end caps
Panel Thickness	1.5-2.5 mm nominal aluminum enclosure-wall thickness
Effective Width	60-90 mm nominal driver-body width
Maximum Length	Up to 260 mm overall enclosure and mounting-flange length
Steel Facing Thickness	0 mm steel facing; the sealed outer enclosure is aluminum
Core Density	Approximately 1400-1600 kg/m³ for representative cured LED-driver potting compounds
Thermal Conductivity	Approximately 0.54-1.20 W/(m·K) for representative thermally conductive encapsulants
Surface Finish	Fine satin natural-aluminum body with matte-black sealed end caps, glands, cables and adjustment cover
Joint Type	Two sealed end-cap cable-gland interfaces with four one-hole mounting ears and one gasketed top adjustment access
Customization	Available based on the intended application and operating environment.

Available Options

Output current and voltage window matched to the LED modulePower rating selected for the luminaire loadNon-dimming, 0-10 V, PWM or resistance-dimming configurationInput and output lead length and gland arrangement matched to the service position

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