FSU

Arlen FSU – Economical Starter Switch Suitable For 4-65W

FSU

SKU:FSU

Arlen EFA FSU

Arlen EFA FSU (Fluorescent Starter Unit) switches are universal starters designed for 220-240V fluorescent light fittings, typically supporting tubes ranging from 4W to 80W. They feature a 2-pin twist-and-lock base, suitable for various tubes including T8 and 2D, and are known for efficient, reliable ignition, often featuring radio interference suppression.

£1.50
Ex.VAT Inc.VAT£1.80

Quantity Price (each)
1 £1.50
5 £1.30
10+ £1.20

Description

Arlen FSU

Arlen EFA FSU (Fluorescent Starter Unit) switches are universal starters designed for 220-240V fluorescent light fittings, typically supporting tubes ranging from 4W to 80W. They feature a 2-pin twist-and-lock base, suitable for various tubes including T8 and 2D, and are known for efficient, reliable ignition, often featuring radio interference suppression.

Key Details for Arlen EFA FSU Starters:

Capacity: Often listed as 4-80W or 4-65W, compatible with 2D 28W/38W, and most common 4ft, 5ft, and 6ft tubes.
Voltage: 220-240V AC.
Compatibility: Widely used in residential, commercial, and retail applications.
Installation: 2-pin, turn-and-lock mechanism.
Certification: Generally BS EN 60155 Kite Marked and CE Certified.

Key Considerations

Size: Standard FSU starters usually have a 21mm diameter and a length of around 39mm.
Longevity: Many FSU models are designed for long life, but they are a wear component that requires replacement when the lamp fails to start properly (flickering or constant blinking).
Replacement: Simply twist and remove the old starter, then insert the new FSU starter, ensuring the 12.7mm pins are properly seated.
Safety: FSU starters should meet relevant, established safety standards, such as BS EN 60155

Lighting starter switches are small, replaceable components essential for igniting traditional fluorescent tube lights (T8/T12) with magnetic ballasts. They provide the initial high-voltage surge required to light the gas inside the tube. They are easily replaced by twisting them into the lamp fixture, ensuring reliable startup, reduced flicker, and extended lamp life.

Key Aspects of Lighting Starter Switches:

Function: When the light switch is turned on, the starter creates a brief, high-voltage jolt to start the tube, then stops conducting once the tube is lit.

Types of Starters:

Standard Starters (4–80W or 70–125W): Commonly used for single or twin fluorescent tube setups.

Series Starters: Designed specifically for fittings where two lamps are wired in series.

Electronic Starters: Provide a gentler start to reduce lamp wear, suitable for 18-125W fittings.

Compatibility: Most starters are designed for 220-240V, though 110-130V versions exist. They are common in older, magnetic, or electromagnetic ballast lighting, often found in offices, retail, and parking lots.

When to Replace: Starters should be replaced whenever a flickering fluorescent lamp is replaced, as old starters can damage new lamps.

Compatibility Warning: They are generally not compatible with modern LED tubes, which often come with their own LED dummy starter.

Popular brands and types include S10 (4-65W), S2 (4-22W), and specific watt-rated, “glow” type starters.

FSU Specification

FSU

Compatible Products

LN18.131
LN30.801
LN36.149
LN58.116

Arlen EFA is a brand specializing in high-frequency (HF) electronic ballasts, starters, and lighting accessories designed for fluorescent tubes (T5, T8, PLL, and 2D) in commercial and industrial settings. Known for reliability, their products, such as the HFL21435E Multi Longlife ballast, focus on energy efficiency and long-lasting performance.

Key Aspects of Arlen EFA Products:

Ballast Types: They offer a variety of electronic ballasts, including single and twin-multi lamp options, as well as 1-10V dimming models.

Compatibility: Products are compatible with a wide range of T5 and T8 lamps, including T5 14-35W and T8 18-36W.

Key Features: Many Arlen EFA ballasts, such as the HFL21435E, offer high power factors (0.98) and long life (up to 80,000 hours).

Starter Modules: The brand offers universal FSU starters (4-80W), which are CE certified and ROHS compliant.

Applications: Ideal for replacing parts in commercial office environments, industrial lighting, and facility maintenance.

Arlen EFA products are designed for easy installation, often featuring push-wire connectors.

https://primelight.co.uk/components/about-us/our-history

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