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UL 924, NFPA 101 & CA Title 20 Compliant · 90+ Min Runtime
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E2 Lighting

4 FT LED Retrofit Kit with Emergency Battery Backup, 24/30/40W Selectable, 3500K/4000K/5000K, 120-277V

Model / SKU: E2-RTST-4FT-2S-24/30/40W-35/40/50K-E

Category: Indoor Lighting

Series: Retrofit Kits

24W / 30W / 40W (field selectable), 3500K / 4000K / 5000K (field selectable), AC 120-277V, 10W EBBU

E2 Lighting 4 FT LED Retrofit Kit for retrofitting existing troffers and strip fixtures. Field-selectable 24W / 30W / 40W, field-selectable 3500K / 4000K / 5000K CCT, AC 120-277V input. Integrated 10W emergency battery backup for egress illumination on loss of normal power.

4 FT LED Retrofit Kit with Emergency Battery Backup, 24/30/40W Selectable, 3500K/4000K/5000K, 120-277V — full specifications
Wattage24W / 30W / 40W
Input VoltageAC120-277V
CCT3500K / 4000K / 5000K
CRI80
Lumens3,120 lm / 3,900 lm / 5,200 lm
Lifespan50,000 hrs (L70)
ListingsDLC Premium / ETL Classified
WarrantyLifetime Warranty
CompliantUL924, NFPA 101, Title 20
Emergency Output Power10W
Test MethodManual Test
4 FT LED Retrofit Kit with Emergency Battery Backup, 24/30/40W Selectable, 3500K/4000K/5000K, 120-277V, SKU E2-RTST-4FT-2S-24/30/40W-35/40/50K-E — product image 14 FT LED Retrofit Kit with Emergency Battery Backup, 24/30/40W Selectable, 3500K/4000K/5000K, 120-277V, SKU E2-RTST-4FT-2S-24/30/40W-35/40/50K-E — product image 2
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4 FT LED Retrofit Kit with Emergency Battery Backup, 24/30/40W Selectable, 3500K/4000K/5000K, 120-277V 1
4 FT LED Retrofit Kit with Emergency Battery Backup, 24/30/40W Selectable, 3500K/4000K/5000K, 120-277V 2

4 FT LED Retrofit Kit with Emergency Battery Backup, 24/30/40W Selectable, 3500K/4000K/5000K, 120-277V

E2-RTST-4FT-2S-24/30/40W-35/40/50K-E

Emergency battery backup built in

Lights stay on when the power goes out.

UL 924

Emergency lighting standard

NFPA 101

Life Safety Code

CA Title 20

California efficiency rules

Inspection Ready

● In stock

Same-Day Processing · Next-Day Shipping · Grapevine, TX

Download Spec Sheet (PDF)
For wholesale pricing, please request a quote or contact your sales rep at (469) 638-3592.

E2 Lighting 4 FT LED Retrofit Kit for retrofitting existing troffers and strip fixtures. Field-selectable 24W / 30W / 40W, field-selectable 3500K / 4000K / 5000K CCT, AC 120-277V input. Integrated 10W emergency battery backup for egress illumination on loss of normal power.

Wattage24W / 30W / 40W
Input VoltageAC120-277V
CCT3500K / 4000K / 5000K
CRI80
Lumens3,120 lm / 3,900 lm / 5,200 lm
Lifespan50,000 hrs (L70)
ListingsDLC Premium / ETL Classified
WarrantyLifetime WarrantyView full warranty terms →
CompliantUL924, NFPA 101, Title 20
Emergency Output Power10W
Test MethodManual Test
View return policy & RMA process →

5 models in this family

Compare with the model you are viewing. Bold values differ from it.

ImageProductSpecsPricing
4 FT LED Retrofit Kit with Emergency Battery Backup, 24/30/40W Selectable, 3500K/4000K/5000K, 120-277V
4 FT LED Retrofit Kit with Emergency Battery Backup, 24/30/40W Selectable, 3500K/4000K/5000K, 120-277VViewing
E2-RTST-4FT-2S-24/30/40W-35/40/50K-E
Code-Compliant Emergency Battery Backup
DLC PremiumETLIn stock
CCT3500/4000/5000K
Power24/30/40W
Lumens5,200 lm
Input120-277VAC
This model
4 FT LED Retrofit Kit, 24/30/40W Selectable, 5CCT Selectable 3000K-6500K, 120-277V
4 FT LED Retrofit Kit, 24/30/40W Selectable, 5CCT Selectable 3000K-6500K, 120-277V
E2-RTST-4FT-2S-24/30/40W-30/35/40/50/65K
DLC PremiumETLIn stock
CCT3000/3500/4000/5000/6500K
Power24/30/40W
Lumens5,200 lm
Input120-277VAC
4 FT LED Retrofit Kit, 40W, 3500K, 120-277V
4 FT LED Retrofit Kit, 40W, 3500K, 120-277V
E2-RTST-4FT-2S-40W-35K
—In stock
CCT3500K
Power40W
Input120-277VAC
4 FT LED Retrofit Kit, 40W, 4000K, 120-277V
4 FT LED Retrofit Kit, 40W, 4000K, 120-277V
E2-RTST-4FT-2S-40W-40K
—In stock
CCT4000K
Power40W
Input120-277VAC
4 FT LED Retrofit Kit, 40W, 5000K, 120-277V
4 FT LED Retrofit Kit, 40W, 5000K, 120-277V
E2-RTST-4FT-2S-40W-50K
—In stock
CCT5000K
Power40W
Input120-277VAC

Pricing on request

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Bulk and project pricing for contractors, distributors and B2B partners.

4 FT LED Retrofit Kit with Emergency Battery Backup, 24/30/40W Selectable, 3500K/4000K/5000K, 120-277V

  • 24-Hour Response

    Quotes answered within one business day.

  • Project Volume Ready

    Stocked inventory for contractor timelines.

  • Certified Fixtures

    UL / DLC listed with 5-year warranty.

(469) 638-3592
4 FT LED Retrofit Kit with Emergency Battery Backup, 24/30/40W Selectable, 3500K/4000K/5000K, 120-277V

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4 FT LED Retrofit Kit with Emergency Battery Backup, 24/30/40W Selectable, 3500K/4000K/5000K, 120-277V

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